CN1388452A - Digital camera with automatic detection and shooting functions and its method - Google Patents

Abstract

The invention discloses a digital camera with automatic detection and shooting functions, which can detect a moving object and automatically shoot the object after detection.

Description

Digital camera with automatic detection and shooting functions and its method

The invention relates to a digital camera, in particular to a digital camera with automatic detection and automatic shooting functions and methods.

A digital still camera (Digital Still Camera; DSC) is an electronic device that combines optics, precision machinery and electronic technology. The basic principle is similar to that of a traditional camera. This charge-coupled device (CCD) converts the image captured by the camera lens (Lens) into a digital image signal, and processes the digital image signal into an image file through the central processing unit, and finally stores the image file in the storage medium middle.

The digital camera (DSC) does not need to use film, the image is directly stored in the camera's memory, and the shot can be seen immediately from the liquid crystal display (LCD) on the camera, unlike traditional cameras that have to go through film The photosensitizer on the surface undergoes chemical changes after being exposed to light, and after being soaked in the developer and developed, it needs to be developed into a photo to see the work, and the charge-coupled device (CCD) of the current digital camera (DSC), its pixel (Pixel) The number of digital cameras has reached millions of units, and the resolution of images has reached a considerable level, so digital cameras (DSC) have also been widely used in image shooting in recent years.

A general digital camera (DSC), when shooting a moving object or a sudden action, usually uses a larger aperture at a long distance and uses a high-speed shutter to shoot, but the above methods Good results cannot be guaranteed, because the timing of triggering the shutter is still determined by the user in the above method, so often due to the error of the user's reaction time, the shutter has not been triggered to complete the shooting action, and the object has left the focal length range, there is no way To effectively achieve the purpose of shooting dynamic objects, there are digital cameras (DSC) on the market designed with the function of continuously triggering the shutter, which can solve the above problems, but continuous shooting requires a large amount of memory to store the captured images. It is very uneconomical, so how to effectively realize the shooting of moving objects is actually a technical problem to be solved urgently.

The main purpose of the present invention is to provide a digital camera capable of automatic detection and shooting, so as to overcome the defects in the prior art and improve the convenience of the digital camera for shooting dynamic objects.

Another object of the present invention is to provide a method for automatic detection and shooting, which is applied to a digital camera, and can use the automatic detection device to detect the change of the signal on the image processing device. When the object enters the focal length range, the automatic shooting device will According to the change of the signal on the image processing device, start to trigger the shutter automatically.

The above object of the present invention is achieved in this way: a digital camera with automatic detection and shooting functions, the key of which is to at least include: an image processing unit for capturing an image and generating an image signal; an automatic control unit , the automatic control unit is connected with the image processing unit to detect the image signal, and generate at least one trigger signal when the image signal changes; and a central processing unit, the central processing unit and the automatic control unit connected to the image processing unit, for receiving the trigger signal, capturing the image signal and processing it, and generating at least one image file.

The described digital camera with automatic detection and shooting functions may also include an automatic control unit. When the digital camera shoots a dynamic image, the automatic control unit is used to detect the image signal of the image processing unit. When a relative displacement occurs, the automatic control unit generates at least one trigger signal and sends it to the central processing unit. After receiving the trigger signal, the central processing unit captures the image signal and performs calculations to generate at least one image file.

In the digital camera with automatic detection and shooting functions, the automatic control unit preferably at least includes: a detection device connected to the image processing unit to detect the image signal; and a shooting device, The photographing device is connected with the detection device, and generates the trigger signal when the image signal changes.

In the digital camera with automatic detection and shooting functions, the trigger signal may be a trigger shutter signal.

Another object of the present invention is achieved in this way: a method for automatic detection and shooting is applied to a digital camera, and its key point is that the method at least includes the following steps: providing a detection device and a photographing device; providing at least one shooting conditions for setting; using the detecting device to detect the image signal of the digital camera; The image signal changes, and the shooting device triggers the shutter of the digital camera to complete shooting.

In the automatic detection and shooting method, the shooting condition can be a shutter speed, or an aperture size, or a focal length.

It can be seen that the digital camera capable of automatic detection and shooting disclosed in the present invention mainly includes devices and methods for automatic detection and automatic shooting, so that when a digital camera is used to shoot moving images, the automatic detection device can be used to detect the image. When the signal changes on the processing device, when the object enters the focal length range, the automatic shooting device starts to automatically trigger the shutter according to the signal change on the image processing device, so as to achieve the purpose of shooting dynamic objects.

The technical content of the present invention will be described in further detail below in conjunction with the embodiments and accompanying drawings.

Fig. 1 is the digital camera block diagram that the present invention has automatic detection and photographing function;

Fig. 2 is a flowchart of an embodiment of the digital camera with automatic detection and shooting functions of the present invention.

Referring to FIG. 1 , it is a block diagram of a digital camera with automatic detection and shooting functions according to the present invention. As shown in Figure 1, the digital camera with automatic detection and shooting function of the present invention includes:

The power supply device 110 is used to provide the power required by the digital camera, and is also provided with an image capture device (Lens) 121 for capturing images, and is connected to the image processing device 120 to receive images from the image capture device (Lens) 121, and use The charge-coupled device (CCD) is sensitive to light, and the information left on the charge-coupled device (CCD) converts the sensitivity of each pixel element to light into an image signal.

The central processing unit 130 is used to control various actions of the digital camera, and is connected to the image processing device 120 to process the image signal and generate image files. The automatic control unit 140 is connected to the image processing device 120 and the central processing unit 130, The automatic control unit 140 includes an automatic detection device and an automatic shooting device. The automatic detection device is used to detect the image signal, and when the image signal changes, the automatic shooting device triggers the central processing unit 130, and the storage device 150 is connected to the central processing unit 130. , for storing image files, and a display device 180 is also provided, connected with the central processing unit 130, for displaying image files, when the image file is completed, the user can choose to store the file in the storage device 150, or choose to send it to the output interface The device 160 is output from the output interface device 160 to the external device 170 for storage or printing.

Referring to FIG. 2 , it is a flowchart of an embodiment of a digital camera with automatic detection and shooting functions of the present invention. Then, the process of the embodiment of the present invention is further described in detail, as shown in Figure 2:

When the digital camera is shooting a dynamic object, first the user selects whether the automatic detection and automatic shooting function is selected (step 210). If the automatic detection and automatic shooting function is not selected, the shutter is directly manually triggered (step 260) to capture the image, and Digital signal processing is performed on the image (step 270), and the image is stored after the processing is completed (step 280), which is a manual shooting process.

If the automatic detection and automatic shooting functions are selected (step 210), then the central processing unit 130 will determine whether the shooting conditions have been set (step 220). If the central processing unit 130 judges that the user has not set the shooting conditions, do not return Step 220, the central processing unit 130 again judges whether the shooting conditions have been set (step 220), until the user completes the setting of the shooting conditions, and the shooting conditions setting may include the setting of the shutter speed, the selection of the aperture size, The adjustment of the focal length and whether to use flash equipment... and other condition settings.

After the shooting conditions are set, the automatic control unit 140 captures the image signal (step 230), and the automatic detection device judges whether an object enters the focal length range (step 240), if no object enters the focal length range, then returns to step 240 , repeatedly judge whether there is an object to enter the focal length range (step 240) by the automatic detection device, if an object enters the focal length range, then the central processing unit 130 is triggered by the automatic shooting device, and the shutter is automatically triggered by the central processing unit 130 (step 211) to shoot The image of the object, and carry out digital signal processing (step 270) on this image, and after the processing is completed, output the image (step 280) to the storage device 150 for storage, or send it to the output interface device 160, and output it from the output interface device 160 To the external device 170 for storage or printing, this is the process of automatic detection and shooting.

In addition to the process of the above-mentioned embodiment, in addition to judging whether an object enters the focal length range (step 240), there is another implementation step. After the automatic control unit 140 captures the image signal (step 230), it is judged by the automatic detection device Whether the image in the focal length range produces relative displacement (step 240), if the image in the focal length range does not produce relative displacement, then return to step 240, repeat the automatic detection device to judge whether the image in the focal length range produces relative displacement (step 240) , if the image within the focal length range produces a relative displacement, then the central processing unit 130 is triggered by the automatic shooting device, and the shutter is automatically triggered by the central processing unit 130 (step 250) to shoot the image, and the subsequent steps are the same as the above-mentioned previous implementation process, so I won't repeat them here.

To sum up, when a general digital camera shoots a dynamic object, the user must decide the timing of triggering the shutter, but the timing of shooting is often missed due to the error of the user's reaction time. The present invention has the function of automatic detection and shooting The digital camera can use the automatic detection device to replace the dynamics of the eye detection object, and use the automatic shooting device to select the timing of triggering the shutter, which can reduce the error when the user triggers the shutter, and obtain the correct shooting timing, and the present invention uses automatic The function replaces manual control, and has the advantage of simplifying the shooting process.

Although the present invention is disclosed above with the foregoing preferred embodiments, it is not intended to limit the scope of protection of the present invention. Any person familiar with the art may make appropriate changes without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be determined by the claims.

Claims (9)

1. A digital camera with automatic detection and shooting functions, characterized in that it at least includes: an image processing unit for capturing an image and generating an image signal; An automatic control unit connected to the image processing unit for detecting the image signal and generating at least one trigger signal when the image signal changes; and A central processing unit, the central processing unit is connected with the automatic control unit and the image processing unit, and is used for receiving the trigger signal, capturing the image signal, computing and processing, and generating at least one image file. 2. A digital camera with automatic detection and shooting functions, at least including: an image processing unit and a central processing unit, It is characterized in that it also includes an automatic control unit. When the digital camera shoots a dynamic image, the automatic control unit is used to detect the image signal of the image processing unit. When the image signal generates a relative displacement, the automatic control unit At least one trigger signal is generated and sent to the central processing unit. After receiving the trigger signal, the central processing unit captures the image signal, performs calculation and processing, and generates at least one image file. 3. The digital camera with automatic detection and shooting functions according to claim 1 or 2, wherein the automatic control unit at least includes: a detection device connected to the image processing unit for detecting the image signal; and A photographing device, the photographing device is connected with the detection device, and generates the trigger signal when the image signal changes. 4. The digital camera with automatic detection and shooting functions as claimed in claim 3, wherein said trigger signal is a trigger shutter signal. 5. A method for automatic detection and shooting, which is applied to a digital camera, characterized in that the method at least includes the following steps: Provide a detection device and a photographing device; providing at least one shooting condition for setting; using the detecting device to detect the image signal of the digital camera; and When an object enters the focal length range of the digital camera, the image signal is changed, and the shooting device triggers the shutter of the digital camera to complete shooting. 6. A method for automatic detection and shooting, which is applied to a digital camera, characterized in that the method at least includes the following steps: Provide a detection device and a photographing device; providing at least one shooting condition for setting; using the detecting device to detect the image signal of the digital camera; and When an object within the focal length range of the digital camera is relatively displaced, the image signal is changed, and the photographing device triggers the shutter of the digital camera to complete the photographing. 7. The automatic detection and shooting method according to claim 5 or 6, characterized in that the shooting condition is a shutter speed. 8. The automatic detection and shooting method according to claim 5 or 6, characterized in that the shooting condition is an aperture size. 9. The automatic detection and shooting method according to claim 5 or 6, characterized in that the shooting condition is a focal length.

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