CN112967467B - Cultural relic anti-theft method, system, mobile terminal and storage medium - Google Patents

Abstract

The invention provides an anti-theft method, system, mobile terminal and storage medium for cultural relics. The method includes: acquiring a photographed image of a target cultural relic and illumination information of the current environment; querying an image detection rule according to the illumination information, and according to the image detection rule and the target The cultural relic identification of the cultural relics is used to query the target image information; image detection is performed on the captured image according to the image detection rules to obtain the image detection information, and the image detection information is compared with the target image information; Anti-theft reminder. In the present invention, the anti-theft detection of cultural relics is carried out by means of information comparison, so as to detect whether the target cultural relics in the captured image have changed, that is, when it is detected that the information comparison between the image detection information and the target image information is unqualified, Then it is determined that the target cultural relic in the captured image has changed, and the anti-theft reminder is sent to the target cultural relic to prompt the staff to check it manually.

Description

Anti-theft method, system, mobile terminal and storage medium for cultural relics

technical field

The invention relates to the technical field of anti-theft of cultural relics, in particular to a method, system, mobile terminal and storage medium of anti-theft of cultural relics.

Background technique

The existing anti-theft of cultural relics is detected by infrared rays, but due to the low accuracy of the infrared detection method, the effect of anti-theft of cultural relics is poor, and the security of anti-theft of cultural relics is reduced.

SUMMARY OF THE INVENTION

The purpose of the embodiments of the present invention is to provide an anti-theft method, system, mobile terminal and storage medium for cultural relics, aiming to solve the problem of low security against anti-theft of cultural relics due to the use of infrared detection in the existing anti-theft process of cultural relics.

The embodiment of the present invention is realized in this way, a kind of anti-theft method for cultural relics, the method includes:

Obtain the photographed image of the target cultural relic, and obtain the illumination information of the environment where the target cultural relic is currently located;

Query the image detection rule according to the illumination information, and query the target image information according to the image detection rule and the cultural relic identification of the target cultural relic;

Perform image detection on the captured image according to the image detection rule, obtain image detection information, and compare the image detection information with the target image information;

If the information comparison between the image detection information and the target image information is unqualified, an anti-theft reminder is sent for the target cultural relic.

Further, the step of obtaining the illumination information of the environment where the target cultural relic is currently located includes:

Obtaining the cultural relic identification of the target cultural relic, and determining the environmental identification of the current environment according to the cultural relic identification;

The current time is acquired, and information query is performed according to the current time and the environment identifier to obtain the illumination information corresponding to the current environment, where the illumination information includes illumination angle, illumination intensity and light source parameters.

Further, the step of performing image detection on the captured image according to the image detection rule includes:

Extracting the cultural relic shadow image corresponding to the target cultural relic in the captured image, and performing image filtering on the cultural relic shadow image according to the filtering parameters stored in the image detection rule to obtain a cultural relic filtered image;

Perform image overlapping processing on the filtered image of cultural relics according to the image overlapping parameters stored in the image detection rule to obtain an overlapping image of cultural relics;

Perform image cropping on the overlapping image of the cultural relic according to the cropping coordinates stored in the image detection rule to obtain a cropped image of the cultural relic;

Extracting the image outline in the cropped image of the cultural relic to obtain the image detection information.

Further, the step of performing information comparison between the image detection information and the target image information includes:

Carry out contour comparison between the image contour stored in the image detection information and the image contour stored in the target image information to obtain the contour similarity;

If the contour similarity is less than the similarity threshold, it is determined that the information comparison between the image detection information and the target image information is unqualified;

If the contour similarity is greater than or equal to the similarity threshold, it is determined that the information comparison between the image detection information and the target image information is qualified.

Further, after the step of acquiring the photographed image of the target cultural relic, the method further includes:

performing foreign object detection on the captured image;

If it is detected that there is a foreign object in the captured image, type identification is performed on the foreign object to obtain the foreign object type, and a foreign object prompt is sent according to the foreign object type.

Further, the step of performing foreign object detection on the captured image includes:

Corrosion processing is performed on the captured image to obtain a corroded image, and an image outline in the corroded image is extracted;

Perform contour screening on the extracted image contour, and perform contour comparison between the preset contour image and the screened image contour;

If the image similarity between the filtered image contour and the preset contour image is greater than the preset similarity, it is determined that the foreign object exists in the captured image.

Another object of the embodiments of the present invention is to provide an anti-theft system for cultural relics, the system comprising:

an illumination information acquisition module, used for acquiring the photographed image of the target cultural relic, and acquiring the illumination information of the environment in which the target cultural relic is currently located;

an image information query module, configured to query the image detection rule according to the illumination information, and query target image information according to the image detection rule and the cultural relic identification of the target cultural relic;

an image detection module, configured to perform image detection on the captured image according to the image detection rule, obtain image detection information, and compare the image detection information with the target image information;

The anti-theft prompt module is configured to send anti-theft prompt for the target cultural relic if the information comparison between the image detection information and the target image information is unqualified.

Further, the illumination information acquisition module is also used for:

Obtaining the cultural relic identification of the target cultural relic, and determining the environmental identification of the current environment according to the cultural relic identification;

The current time is acquired, and information query is performed according to the current time and the environment identifier to obtain the illumination information corresponding to the current environment, where the illumination information includes illumination angle, illumination intensity and light source parameters.

Another object of the embodiments of the present invention is to provide a storage medium, which stores the above-mentioned computer program used in the mobile terminal, and when the computer program is executed by the processor, implements the steps of the above-mentioned method for preventing cultural relics.

In the embodiment of the present invention, by obtaining the illumination information of the current environment where the target cultural relic is located, the accuracy of the image detection rule query is effectively improved, and the image detection rule can effectively perform image detection on the captured image to obtain an image corresponding to the captured image. Detection information, by querying the target image information according to the image detection rules and the cultural relic identification of the target cultural relic, the accuracy of the information comparison between the image detection information and the target image information is effectively improved. The anti-theft detection of cultural relics is carried out in order to detect whether the target cultural relic in the captured image has changed. In order to improve the accuracy of the anti-theft of cultural relics, the anti-theft reminder is sent to the target cultural relics to prompt the staff to check manually.

Description of drawings

Fig. 1 is the flow chart of the cultural relic anti-theft method provided by the first embodiment of the present invention;

Fig. 2 is the flow chart of the anti-theft method for cultural relics provided by the second embodiment of the present invention;

3 is a schematic structural diagram of a cultural relic anti-theft system provided by a third embodiment of the present invention;

4 is a schematic structural diagram of a mobile terminal provided by a fourth embodiment of the present invention;

The following specific embodiments will further illustrate the present invention with reference to the above drawings.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments These are some embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention. Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of the present invention, "plurality" means two or more, unless otherwise expressly and specifically defined.

In order to illustrate the technical solutions of the present invention, the following specific embodiments are used for description.

Example 1

Please refer to FIG. 1, which is a flowchart of a method for preventing cultural relics provided by the first embodiment of the present invention, including the steps:

Step S10, acquiring the photographed image of the target cultural relic, and acquiring the illumination information of the environment where the target cultural relic is currently located;

Wherein, a corresponding shooting device is set for each target cultural relic, and the shooting device is used to shoot the target cultural relic to obtain a shooting image corresponding to each target cultural relic. The shooting device can be a camera or any device with a shooting function. .

In this step, by obtaining the illumination information of the current environment where the target cultural relic is located, the accuracy of the subsequent image detection rule query is effectively improved.

Specifically, in this step, the step of obtaining the illumination information of the environment where the target cultural relic is currently located includes:

Obtaining the cultural relic identification of the target cultural relic, and determining the environmental identification of the current environment according to the cultural relic identification;

Obtaining the current time, and performing information query according to the current time and the environment identifier, to obtain the illumination information corresponding to the current environment;

Wherein, a cultural relic identification is correspondingly set for each target cultural relic, and the cultural relic identification can indicate information such as the storage address or placement position of the target cultural relic.

In this step, the illumination information includes illumination angle, illumination intensity and light source parameter, the light source parameter is the information of the light source corresponding to the target cultural relic, the light source is used for illuminating the target cultural relic, and the illumination angle is the current time on the target The angle at which the cultural relic is irradiated, and the light intensity is the intensity of the light when the light source irradiates the target cultural relic at the current time.

Specifically, by matching the cultural relic identification of the target cultural relic with a pre-stored identification query table, the environmental identification of the current environment is obtained. corresponding relationship.

Step S20, query the image detection rule according to the illumination information, and query the target image information according to the image detection rule and the cultural relic identification of the target cultural relic;

The image detection rules corresponding to the current environment of the target cultural relic are obtained by matching the illumination information with the pre-stored rule look-up table, and the information is queried according to the image detection rules and the cultural relic identification of the target cultural relic to obtain The corresponding target image information of the target cultural relic under the current time and illumination information.

Specifically, in this step, the target image information stores a shadow image and/or a contour image corresponding to the target cultural relic under the current time and lighting information.

Step S30, performing image detection on the captured image according to the image detection rule, obtaining image detection information, and comparing the image detection information with the target image information;

The image detection rule can effectively perform image detection on the captured image, obtain the image detection information corresponding to the captured image, and perform information comparison between the image detection information and the target image information in a way of information comparison. Anti-theft detection of cultural relics to detect whether the target cultural relics in the captured image have changed.

In this step, if the information comparison between the image detection information and the target image information is qualified, it is determined that the target cultural relic in the captured image has not changed, that is, the target cultural relic has not undergone unknown or morphological changes, and no anti-theft warning is required.

Step S40, if the information comparison between the image detection information and the target image information is unqualified, send an anti-theft prompt for the target cultural relic;

Among them, if the information comparison between the image detection information and the target image information is unqualified, it is determined that the target cultural relic has changed in the captured image, and the anti-theft reminder is sent to the target cultural relic to prompt the staff to check manually, thereby improving the cultural relics. Anti-theft is accurate.

Optionally, in this embodiment, after the step of acquiring the photographed image of the target cultural relic, the method further includes:

performing foreign object detection on the captured image, wherein the foreign object detection is used to detect whether there is a foreign object in the captured image;

If it is detected that there is a foreign object in the captured image, type identification is performed on the foreign object to obtain the foreign object type, and a foreign object prompt is sent according to the foreign object type;

Among them, if it is detected that there is a foreign object in the captured image, the type of the foreign object is identified to obtain the foreign object type corresponding to the foreign object, and a foreign object prompt is sent according to the foreign object type, so as to achieve the ability to send corresponding prompts for different foreign object types. Effect.

Preferably, the foreign body prompt can be prompted by means of voice, text, or image, and the foreign body prompts corresponding to different foreign body types are different. When the foreign body prompt is performed by voice, the foreign body prompt is the prompt voice corresponding to the foreign body type. , when using text to prompt foreign objects, the foreign object prompt is the prompt text corresponding to the foreign object type; when using images to prompt foreign objects, the foreign object prompt is the prompt image corresponding to the foreign object type.

Specifically, the step of performing foreign object detection on the captured image includes:

Corrosion processing is performed on the captured image to obtain a corrosion image, and an image outline in the corrosion image is extracted, wherein the corrosion image corresponding to the captured image is obtained by performing corrosion processing on the captured image;

Perform contour screening on the extracted image contour, and perform contour comparison between the preset contour image and the screened image contour;

If the image similarity between the filtered image contour and the preset contour image is greater than the preset similarity, it is determined that the foreign object exists in the captured image;

Among them, the extracted image contours can be screened according to the preset contour width to remove the wrong contours in the image contours, and the filtered contours can be obtained by comparing the contours of the preset contour image and the filtered image contours. The image similarity between the image contour and the preset contour image.

Specifically, in this step, the preset similarity can be set according to requirements, and if the image similarity between the filtered image contour and the preset contour image is greater than the preset similarity, it is determined that there is a foreign object in the captured image, If the image similarity between the filtered image contour and the preset contour image is less than or equal to the preset similarity, it is determined that there is no foreign object in the captured image.

In this embodiment, by obtaining the illumination information of the current environment where the target cultural relic is located, the accuracy of the image detection rule query is effectively improved, and the image detection rule can effectively perform image detection on the captured image, and obtain the image detection corresponding to the captured image. By querying the target image information according to the image detection rules and the cultural relic identification of the target cultural relic, the accuracy of the information comparison between the image detection information and the target image information is effectively improved. In this embodiment, the information comparison method is adopted. Perform anti-theft detection of cultural relics to detect whether the target cultural relic in the captured image has changed, that is, when it is detected that the information comparison between the image detection information and the target image information is unqualified, it is determined that the target cultural relic in the captured image has occurred. Change, by sending anti-theft prompts for the target cultural relics to prompt the staff to check manually, thereby improving the accuracy of anti-theft of cultural relics.

Embodiment 2

Please refer to FIG. 2 , which is a flowchart of a method for anti-theft of cultural relics provided by the second embodiment of the present invention, which is used to further refine step S30 in the first embodiment, including the steps:

Step S31, extracting the cultural relic shadow image corresponding to the target cultural relic in the captured image, and performing image filtering on the cultural relic shadow image according to the filtering parameters stored in the image detection rule to obtain a cultural relic filtered image;

Among them, the shadow area corresponding to the target cultural relic in the photographed image under the illumination of the light source is extracted to obtain the cultural relic shadow image corresponding to the target cultural relic, and the image filtering is performed by describing the cultural relic shadow image according to the filtering parameters stored in the image detection rules to remove the image. The artifact shadow image is in the image magazine to get the artifact filtered image.

Specifically, in this step, the image of the cultural relic shadow image can be filtered by means of a filter, the parameters of the filter are set by the filtering parameters, and the cultural relic shadow image is input into the filter with the parameters set to obtain the cultural relic filter. image.

Step S32, performing image overlapping processing on the filtered images of cultural relics according to the image overlapping parameters stored in the image detection rules to obtain overlapping images of cultural relics;

Wherein, the image overlapping parameter includes the coordinates of the overlapping axis, and the overlapping axis is used to perform image overlapping of the filtered image of the cultural relic to obtain the overlapping image of the cultural relic corresponding to the target cultural relic.

Step S33, performing image cropping on the overlapping image of the cultural relic according to the cropping coordinates stored in the image detection rule, to obtain a cropped image of the cultural relic;

Wherein, image cropping is performed on the overlapping image of the cultural relic according to the cropping coordinates stored in the image detection rule, so as to obtain a cropped image of the cultural relic corresponding to the target cultural relic.

Step S34, extracting the image outline in the cropped image of the cultural relic to obtain the image detection information;

Specifically, in this embodiment, the step of performing information comparison between the image detection information and the target image information includes:

Perform contour comparison between the image contour stored in the image detection information and the image contour stored in the target image information to obtain the contour similarity, wherein by comparing the image contour in the image detection information with the image in the target image information The contour is compared with the contour to obtain the contour similarity between the image detection information and the target image information;

If the contour similarity is less than the similarity threshold, it is determined that the information comparison between the image detection information and the target image information is unqualified;

If the contour similarity is greater than or equal to the similarity threshold, it is determined that the information comparison between the image detection information and the target image information is qualified;

The similarity threshold can be set according to requirements. If the contour similarity is less than the similarity threshold, it is determined that the information comparison between the image detection information and the target image information is unqualified, and the target cultural relic in the captured image has changed.

In this embodiment, the shadow area corresponding to the target cultural relic in the photographed image under the illumination of the light source is extracted to obtain the cultural relic shadow image corresponding to the target cultural relic, and the image filtering is performed by describing the cultural relic shadow image according to the filtering parameters stored in the image detection rules, In order to remove the image magazine in the shadow image of the cultural relic, the filtered image of the cultural relic is obtained, and the overlapping image of the cultural relic is image-cropped according to the crop coordinates stored in the image detection rules, so as to obtain the cropped image of the cultural relic corresponding to the target cultural relic, and the cropped image is extracted by extracting the cultural relic. to obtain the image detection information corresponding to the target cultural relic.

Embodiment 3

Please refer to FIG. 3, which is a schematic structural diagram of a cultural relic anti-theft system 100 provided by the third embodiment of the present invention, including: a lighting information acquisition module 10, an image information query module 11, an image detection module 12 and an anti-theft prompt module 13, wherein:

The illumination information acquisition module 10 is configured to acquire the photographed image of the target cultural relic, and acquire the illumination information of the environment where the target cultural relic is currently located.

Wherein, the illumination information acquisition module 10 is further configured to: acquire the cultural relic identification of the target cultural relic, and determine the environmental identification of the current environment according to the cultural relic identification;

The current time is acquired, and information query is performed according to the current time and the environment identifier to obtain the illumination information corresponding to the current environment, where the illumination information includes illumination angle, illumination intensity and light source parameters.

The image information query module 11 is configured to query the image detection rule according to the illumination information, and query the target image information according to the image detection rule and the cultural relic identification of the target cultural relic.

The image detection module 12 is configured to perform image detection on the captured image according to the image detection rule, obtain image detection information, and compare the image detection information with the target image information.

The image detection module 12 is further configured to: extract the cultural relic shadow image corresponding to the target cultural relic in the captured image, and perform image filtering on the cultural relic shadow image according to the filtering parameters stored in the image detection rules, to obtain Artifact filtered images;

Perform image overlapping processing on the filtered image of cultural relics according to the image overlapping parameters stored in the image detection rule to obtain an overlapping image of cultural relics;

Perform image cropping on the overlapping image of the cultural relic according to the cropping coordinates stored in the image detection rule to obtain a cropped image of the cultural relic;

Extracting the image outline in the cropped image of the cultural relic to obtain the image detection information.

Preferably, the image detection module 12 is further configured to: compare the contour of the image stored in the image detection information with the image contour stored in the target image information to obtain the contour similarity;

If the contour similarity is less than the similarity threshold, it is determined that the information comparison between the image detection information and the target image information is unqualified;

If the contour similarity is greater than or equal to the similarity threshold, it is determined that the information comparison between the image detection information and the target image information is qualified.

The anti-theft prompt module 13 is configured to send an anti-theft prompt for the target cultural relic if the information comparison between the image detection information and the target image information is unqualified.

Preferably, the cultural relic anti-theft system 100 further includes:

A foreign object detection module 14, configured to perform foreign object detection on the captured image;

If it is detected that there is a foreign object in the captured image, type identification is performed on the foreign object to obtain the foreign object type, and a foreign object prompt is sent according to the foreign object type.

Wherein, the foreign matter detection module 14 is further used for: performing corrosion processing on the captured image to obtain a corrosion image, and extracting the image contour in the corrosion image;

Perform contour screening on the extracted image contour, and perform contour comparison between the preset contour image and the screened image contour;

If the image similarity between the filtered image contour and the preset contour image is greater than the preset similarity, it is determined that the foreign object exists in the captured image.

In this embodiment, by obtaining the illumination information of the current environment where the target cultural relic is located, the accuracy of the image detection rule query is effectively improved, and the image detection rule can effectively perform image detection on the captured image, and obtain the image detection corresponding to the captured image. By querying the target image information according to the image detection rules and the cultural relic identification of the target cultural relic, the accuracy of the information comparison between the image detection information and the target image information is effectively improved. In this embodiment, the information comparison method is adopted. Perform anti-theft detection of cultural relics to detect whether the target cultural relic in the captured image has changed, that is, when it is detected that the information comparison between the image detection information and the target image information is unqualified, it is determined that the target cultural relic in the captured image has occurred. Change, by sending anti-theft prompts for the target cultural relics to prompt the staff to check manually, thereby improving the accuracy of anti-theft of cultural relics.

Embodiment 4

Referring to FIG. 4, it is a mobile terminal 101 provided by a fourth embodiment of the present invention, including a storage device and a processor, the storage device is used to store a computer program, and the processor runs the computer program to make the mobile terminal 101 Execute the above-mentioned anti-theft method for cultural relics.

This embodiment also provides a storage medium on which the computer program used in the above-mentioned mobile terminal 101 is stored. When the program is executed, the program includes the following steps:

Obtain the photographed image of the target cultural relic, and obtain the illumination information of the environment where the target cultural relic is currently located;

Query the image detection rule according to the illumination information, and query the target image information according to the image detection rule and the cultural relic identification of the target cultural relic;

Perform image detection on the captured image according to the image detection rule, obtain image detection information, and compare the image detection information with the target image information;

If the information comparison between the image detection information and the target image information is unqualified, an anti-theft reminder is sent for the target cultural relic. The storage medium, such as: ROM/RAM, magnetic disk, optical disk, etc.

Those skilled in the art can clearly understand that, for the convenience and simplicity of description, only the division of the above-mentioned functional units and modules is used as an example. The module is completed, that is, the internal structure of the storage device is divided into different functional units or modules, so as to complete all or part of the functions described above. Each functional unit and module in the implementation manner may be integrated into one processing unit, or each unit may exist physically alone, or two or more units may be integrated into one unit, and the above-mentioned integrated units may adopt hardware. It can also be realized in the form of software functional units. In addition, the specific names of the functional units and modules are only for the convenience of distinguishing from each other, and are not used to limit the protection scope of the present application.

Those skilled in the art can understand that the composition shown in FIG. 3 does not constitute a limitation to the anti-theft system for cultural relics of the present invention, and may include more or less components than the one shown, or combine some components, or different components Arrangement, and the anti-theft method of cultural relics in Figures 1-2 is also implemented using more or less components shown in Figure 3, or a combination of certain components, or a different arrangement of components. The units, modules, etc. mentioned in the present invention refer to a series of computer programs that can be executed by the processor (not shown in the figure) in the target cultural relic anti-theft system and can perform specific functions. In the storage device (not shown) of the anti-theft system for the target cultural relics.

The above descriptions are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included in the protection of the present invention. within the range.

Claims (8)

1. A cultural relic anti-theft method is characterized by comprising the following steps:

acquiring a shot image of a target cultural relic, and acquiring illumination information of the current environment of the target cultural relic;

inquiring an image detection rule according to the illumination information, and inquiring target image information according to the image detection rule and the cultural relic identification of the target cultural relic;

performing image detection on the shot image according to the image detection rule to obtain image detection information, and performing information comparison on the image detection information and the target image information;

if the information comparison between the image detection information and the target image information is unqualified, sending an anti-theft prompt aiming at the target cultural relic;

the step of obtaining the illumination information of the current environment of the target cultural relic comprises the following steps:

acquiring a cultural relic identifier of the target cultural relic, and determining an environment identifier of the current environment according to the cultural relic identifier;

And acquiring current time, and inquiring information according to the current time and the environment identifier to obtain the illumination information corresponding to the current environment, wherein the illumination information comprises an illumination angle, illumination intensity and light source parameters.

2. The cultural relic anti-theft method according to claim 1, wherein the step of image-detecting the shot image according to the image detection rule comprises:

extracting a cultural relic shadow image corresponding to the target cultural relic in the shot image, and carrying out image filtering on the cultural relic shadow image according to the filtering parameters stored in the image detection rule to obtain a cultural relic filtering image;

performing image overlapping processing on the historical relic filtering image according to the image overlapping parameters stored in the image detection rule to obtain a historical relic overlapping image;

image cutting is carried out on the cultural relic overlapped image according to the cutting coordinates stored in the image detection rule, and a cultural relic cutting image is obtained;

and extracting the image contour in the cultural relic cutting image to obtain the image detection information.

3. The method of claim 2, wherein the step of comparing the image detection information with the target image information comprises:

Comparing the image contour stored in the image detection information with the image contour stored in the target image information to obtain contour similarity;

if the contour similarity is smaller than a similarity threshold value, judging that the information comparison between the image detection information and the target image information is unqualified;

and if the contour similarity is greater than or equal to the similarity threshold, judging that the information comparison between the image detection information and the target image information is qualified.

4. The cultural relic anti-theft method according to claim 1, wherein after the step of obtaining the shot image of the target cultural relic, the method further comprises:

detecting foreign matters in the shot image;

and if the foreign object is detected to exist in the shot image, performing type identification on the foreign object to obtain a foreign object type, and sending a foreign object prompt according to the foreign object type.

5. The cultural relic theft prevention method according to claim 4, wherein the step of performing foreign object detection on the shot image comprises:

carrying out corrosion treatment on the shot image to obtain a corrosion image, and extracting an image outline in the corrosion image;

Carrying out contour screening on the extracted image contour, and carrying out contour comparison on a preset contour image and the screened image contour;

and if the image similarity between the screened image contour and the preset contour image is greater than the preset similarity, judging that the foreign object exists in the shot image.

6. A cultural relic antitheft system, comprising:

the illumination information acquisition module is used for acquiring a shot image of the target cultural relic and acquiring illumination information of the current environment of the target cultural relic;

the image information query module is used for querying an image detection rule according to the illumination information and querying target image information according to the image detection rule and the cultural relic identification of the target cultural relic;

the image detection module is used for carrying out image detection on the shot image according to the image detection rule to obtain image detection information and carrying out information comparison on the image detection information and the target image information;

the anti-theft prompting module is used for sending an anti-theft prompt aiming at the target cultural relic if the information comparison between the image detection information and the target image information is unqualified;

The illumination information acquisition module is further configured to:

acquiring a cultural relic identifier of the target cultural relic, and determining an environment identifier of the current environment according to the cultural relic identifier;

and acquiring current time, and inquiring information according to the current time and the environment identifier to obtain the illumination information corresponding to the current environment, wherein the illumination information comprises an illumination angle, illumination intensity and light source parameters.

7. A mobile terminal, characterized by comprising a storage device for storing a computer program and a processor for executing the computer program to cause the mobile terminal to execute the cultural relic theft prevention method according to any one of claims 1 to 5.

8. A storage medium characterized by storing a computer program for use in the mobile terminal of claim 7, the computer program, when executed by a processor, implementing the steps of the cultural relic anti-theft method of any one of claims 1 to 5.

Images