TWI397014B - System and method for producing electrical book - Google Patents

Description

E-book production system and method

The invention relates to an electronic book making system and method.

Currently, e-books have become a must-have feature for many electronic products such as computers, mobile devices and PDAs. E-books gradually replace physical books with their advantages such as easy access, easy piggybacking and environmental protection. Therefore, various e-book publishers have gradually invested more manpower and resources to convert the current electronic book without electronic files into e-books suitable for reading.

Previously, the method of converting a physical book into an electronic book usually includes: firstly, the physical book page is remake one by one by a digital camera, and then uploaded to a computer and integrated into an electronic book; second, the physical book page is scanned one by one, and then uploaded. To the computer and integrated into an e-book; third, use a digital video recorder to obtain a plurality of images of the physical book, and then use the software to capture the clear image needed and integrate it into an e-book. During the shooting with a digital camera, it is necessary to focus and adjust the parameters and shutter control of each physical book image data. If you use the scanner, you can only scan a small number of physical book pages at a time, and you cannot continuously obtain a physical book image. If the video image is used to obtain the physical book image, although the physical book image can be obtained continuously, since the unstable image appearing during the page turning process is also recorded at the same time, it is necessary to use the additional software to process the obtained dynamic image, and the processing time is longer. long. Therefore, all of the above methods require a lot of time to complete the production of the e-book.

In view of the above, it is necessary to provide an e-book production system and method capable of reducing production time.

An electronic book production system for converting a physical book into an electronic book. The method includes: a video module for recording a physical book and obtaining a clear current motion image; a parameter acquisition module for acquiring image parameters of the current motion image; and a calculation module, configured to calculate the a retention time of the image parameter; a determination module, wherein a time reference value is preset, and the retention time is compared with the time reference value, and when the retention time is greater than or equal to the time reference value, the determination module The image acquisition module is configured to capture the current motion image when the current motion image is stable, and the compression module is configured to compress the image acquisition module to capture The current dynamic image data; the storage module, configured to store the compressed current motion image data in a first storage area.

An electronic book making method for use in the above-described electronic book making system. The method includes the steps of: recording a physical book and obtaining a clear current motion image; acquiring image parameters of the current motion image; calculating a retention time of the image parameter; presetting a time reference value, comparing the retention time with The time reference value, when the hold time is greater than or equal to the time reference value, determining that the current dynamic image is stable, and when the hold time is less than the time reference value, determining that the current dynamic image is unstable; When the current motion image is stable, the current motion image is captured; the image data of the current motion image is compressed; and the compressed image data is stored in a first storage area.

Compared with the prior art, the e-book production system and the e-book making method of the present invention ensure the image quality of the e-book by directly obtaining the image in accordance with the requirements during the video recording process, and save the time for subsequent processing of the image.

The invention will be further described in detail below with reference to the accompanying drawings.

Referring to FIG. 1 , an embodiment of the present invention provides an electronic book production system 100 for converting a physical book into an electronic book. The electronic book production system 100 can be embedded in a video recorder or a digital camera having a video recording function. In the present embodiment, the electronic book production system 100 is installed in a video recorder. When the electronic book production system 100 is operated, the functional interface of the electronic book production system 100 is displayed on the display screen of the video recorder. The e-book production system 100 includes a video module 10, a parameter acquisition module 20, a calculation module 30, a determination module 40, an image acquisition module 50, a compression module 60, and a storage module 70.

The video module 10 is configured to record a physical book and obtain a clear current motion image. Specifically, when the electronic book making system 100 is turned on, the video recording module 10 commands the video recorder to record a physical book.

The parameter obtaining module 20 is configured to acquire image parameters of a current motion image of the physical book. Specifically, the physical book includes a plurality of pages, and during the video recording, the page turning needs to be recorded, so the current moving image includes an image of each page of the physical book and an image obtained during the turning process. In this embodiment, the physical book is previewed by an imaging system (not shown) of the video recorder, and the parameter acquisition module 20 obtains image parameters of the current dynamic image of the physical book from the imaging system. The image parameter includes at least a brightness value or a contrast value of the current motion picture. In this embodiment, the image parameter is a contrast value of the current motion image.

The calculation module 30 is configured to calculate a retention time of the image parameter. Specifically, the calculation module 30 determines the retention time according to a time difference required for the image parameter to change. In this embodiment, the calculation module 30 determines the retention time according to a time difference required for the contrast value of the current motion image to change.

The determining module 40 pre-sets a time reference value, and compares the holding time with the time reference value. When the holding time is greater than or equal to the time reference value, the determining module 40 determines the The current dynamic image is stable. When the retention time is less than the time reference value, the determining module 40 determines that the current dynamic image is unstable. Specifically, the reason for the determination of the determining module 40 is based on: in general, the brightness of the previous page of the physical book is different from the brightness of the next page, and the brightness is generated during the process of turning the previous page to the next page. Change, the page brightness is unstable at this time. However, the user generally keeps the required page for a period of time, so that the page brightness at this time can be kept stable for a period of time. In this embodiment, the time interval from the previous page to the next page is 0.1 second, and the screen of the next page is 0.5 seconds.

The image acquisition module 50 is configured to capture the current motion image when the current motion image is stable. Specifically, the image acquisition module 50 is connected to the determination module 40. When the current dynamic image is stable, the current dynamic image is an e-book page that the user needs to obtain. The image acquisition module 50 commands the image capture module 50 to capture the current motion image. When the current brightness value of the current motion image is in an unstable state, the image acquisition module 50 does not capture the current motion image.

The compression module 60 is configured to compress the image data obtained by the image acquisition module 50 and simultaneously establish a corresponding index. In this embodiment, the compression module 60 compresses the image data into a file format that the video recorder can read, such as an MPEG or PDF format. The index is a shortcut that can generate a link with a corresponding image, and the index includes an image number, a format size, a header content, and date information.

The storage module 70 is configured to store the compressed image data in a first storage area 71 and store the index in a second storage area 72. In this embodiment, the storage module 70 is a non-volatile flash memory (NAND flash), and the first storage area 71 and the second storage area 72 are both reverse and non-volatile. Sexual flash memory.

In order to improve the quality of the e-book and to edit in the video recorder, the e-book production system 100 further includes an extraction module 80, an adjustment module 90, and a rename module 110.

The extraction module 80 is configured to extract a corresponding image according to a user command and the index, to perform parameter adjustment or editing on the image.

The adjustment module 90 is preset with a sharpness reference value, the image data includes a current sharpness value of the image, and the adjustment module 90 is configured to extract the extracted reference value according to the sharpness reference value. The current sharpness value of the image is adjusted to the sharpness reference value.

The rename module 110 is configured to: after the adjustment module 90 adjusts the sharpness, change the index name corresponding to the current image according to the user input information, and store the changed index name of the current image in the first In the second storage area 72. In this embodiment, the index name is displayed on the display screen of the video recorder.

As shown in FIG. 2, an electronic book making method provided by an embodiment of the present invention is used in the above-described electronic book making system 100. The e-book making method includes the following steps:

In step S201, the electronic book making system 100 is activated to record a physical book and obtain a clear current moving image.

Step S203: Acquire image parameters of the current motion image. The image parameter is brightness or contrast. In this embodiment, the image parameter is contrast.

Step S205, calculating a hold time of the current brightness value. Specifically, the retention time is determined according to a time difference required for the image parameter to change.

Step S207, preset a time reference value, compare the hold time with the time reference value, and determine whether the current motion image is greater than or equal to a time reference value. Specifically, if the hold time is greater than or equal to the time reference value, step S209 is performed to determine that the current dynamic image is stable; if the hold time is less than the time reference value, step S211 is performed to determine the current The motion picture is unstable.

When the current motion image is stable, step S213 is performed to capture the current motion image. When the current motion image is unstable, step S215 is performed, the current motion image is not captured, and the process returns to step S207.

Step S217, compressing the captured image data of the current motion image, and simultaneously establishing a corresponding index. In this embodiment, the image data of the image is compressed into a file format that the video recorder can read, such as MPEG or PDF format. The index is a shortcut that can generate a link with a corresponding image, and the index includes an image number, a format size, a header content, and date information.

In step S219, the compressed image data is stored in the first storage area 71 and the index is stored in the second storage area 72.

In addition, after the compressed image data is stored in a first storage area 71 and the index is stored in a second storage area 72, the method further includes the step S221: extracting corresponding image data according to the user command and the index, and according to Preset the sharpness reference value to adjust the sharpness of the extracted image data;

Step S223: After the sharpness is adjusted, the index name corresponding to the current motion image is changed according to the user input information, and the changed index name is stored in the second storage area 72.

The e-book production system 100 and method of the present invention ensure image quality of the e-book by directly obtaining the image in accordance with the requirements during the video recording process, and save time for subsequent processing of the image.

It is to be understood that those skilled in the art can make various other changes and modifications in accordance with the technical concept of the present invention, and all such changes and modifications are within the scope of the present invention.

1 is a functional block diagram of an e-book production system according to an embodiment of the present invention;

2 is a flow chart of a method of manufacturing an electronic book of the present invention.

100‧‧‧E-book production system

70‧‧‧ Storage Module

10‧‧‧Video Module

71‧‧‧First storage area

20‧‧‧Parameter acquisition module

72‧‧‧Second storage area

30‧‧‧Computation Module

80‧‧‧ extraction module

40‧‧‧Judgement module

90‧‧‧Adjustment module

50‧‧‧Image acquisition module

110‧‧‧Rename module

60‧‧‧Compression module

Claims (13)

An e-book production system for converting a physical book into an electronic book, comprising:
a video module for recording a physical book and obtaining a clear current motion image;
a parameter acquisition module, configured to acquire image parameters of the current motion image;
a calculation module, configured to calculate a retention time of the image parameter;
a judging module, wherein a time reference value is preset, and the holding time is compared with the time reference value, and when the holding time is greater than or equal to the time reference value, determining that the current dynamic image is stable;
An image acquisition module, configured to capture the current motion image when the current motion image is stable;
a compression module, configured to compress current image data captured by the image acquisition module;
The storage module is configured to store the compressed current motion image data in a first storage area. The electronic book production system according to claim 1, wherein the image parameter is brightness or contrast. The electronic book production system according to claim 1, wherein the calculation module determines the retention time according to a time difference required for the image parameter to change. The electronic book making system of claim 1, wherein the determining module determines that the current moving image is unstable when the holding time is less than the time reference value. The e-book production system of claim 1, wherein the compression module is further configured to simultaneously establish a corresponding index, and the storage module stores the index in a second storage area. The e-book production system of claim 5, wherein the e-book production system further comprises:
An extraction module, configured to extract image data of a corresponding image according to a user command and the index;
The adjustment module is configured to adjust the sharpness of the extracted image data according to the preset sharpness reference value. The e-book production system of claim 6, wherein the e-book production system further comprises:
And a rename module, configured to: after the sharpness is adjusted, change an index name corresponding to the plurality of images according to the user input information, and store the index name of the changed complex image in the second storage area. An e-book making method for use in an e-book production system according to any one of claims 1 to 7, the method comprising the steps of:
Record a physical book and get a clear current motion picture;
Obtaining image parameters of the current motion image;
Calculating a hold time of the image parameter;
Presetting a time reference value, comparing the hold time with the time reference value, and determining that the current dynamic image is stable when the hold time is greater than or equal to a time reference value, when the hold time is less than the time reference value Determining that the current dynamic image is unstable;
Extracting the current motion image when the current motion image is stable;
Compressing image data of the current motion image;
The compressed image data is stored in a first storage area. The method for manufacturing an electronic book according to claim 8, wherein the image parameter is brightness or contrast. The method for manufacturing an electronic book according to claim 8, wherein in the step of calculating the retention time of the image parameter, the retention time is determined according to a time difference required for the image parameter to change. The method for manufacturing an e-book according to claim 8, wherein in the step of compressing the image data of the current moving image, a corresponding index is simultaneously established, and the index is stored in a second storage area. The method for manufacturing an e-book according to claim 11, wherein: the e-book production system is pre-set with a sharpness reference value, and the step of storing the index in a second storage area further comprises the steps of: Corresponding image data is extracted according to the user command and the index, and the sharpness of the image data is adjusted to be a preset sharpness reference value. The method for manufacturing an e-book according to claim 12, wherein: after adjusting the sharpness, changing an index name corresponding to the current motion image according to user input information, and storing the changed index name in the The second storage area.