WO2014086266A1

WO2014086266A1 - Professional notebook convenient for electronization and method for displaying electronic thumbnail thereof

Info

Publication number: WO2014086266A1
Application number: PCT/CN2013/088391
Authority: WO
Inventors: 曹璐; 镇立新
Original assignee: 上海合合信息科技发展有限公司
Priority date: 2012-12-05
Filing date: 2013-12-03
Publication date: 2014-06-12
Also published as: CN103034842A

Abstract

The present invention provides a professional notebook convenient for electronization and a method for displaying an electronic thumbnail thereof. The method comprises: photographing a paper page image of the professional notebook convenient for electronization; determining a type of a paper page according to the paper page image, so as to obtain a position, in the paper page, of a title area printed on the paper page of the professional notebook; determining, by using a straight line detection method in the image, four edge lines of the paper page image, correcting a page area limited by the four edge lines as a square area, and determining an accurate position of the title area in the square area; determining whether the title area is blank, and if the title area is not blank, abstracting content in the title area to generate a thumbnail of the paper page image. In the present invention, a title area is printed on a paper page of a notebook, and when application software such as CamScanner is used to perform electronization, the title area is automatically divided to serve as a thumbnail of an electronic file, thereby being convenient for management and querying of the electronic file.

Description

Professional electronic notebook with convenient electronic method and electronic thumbnail display method thereof

The invention belongs to the technical field of electronic computers, and relates to a display method of an electronic document, in particular to a professional notebook which is convenient for electronic and an electronic thumbnail display method thereof. Background technique

In daily life, people often need to take paper documents, save them in JPEG format, or generate PDF documents, so that paper documents can be electronically and conveniently managed. Smartphones are one of the commonly used tools for electronically documenting paper documents. Since the camera is usually equipped with a camera on the smartphone, the camera on the mobile phone can take a paper document, and the captured electronic document can be processed into a certain image, and then converted into a JPEG format photo, or a PDF document can be generated. Applications with the above features have also become more popular, such as apps in the Apple App Store and the Google Store.

CamS _Canne r. These applications can automatically monitor the four sides of the captured document from the captured image, use this as a reference to cut off the background outside the document area in the image, and perform correction and image enhancement on the document area to obtain a scanner similar to the one used. The effect of scanning a clean and clean electronic document is saved and managed in a user-specified format.

The common paper documents that need to be electronically are paper notebook pages. For a long time, people often use paper notebooks to make various records, such as meeting minutes, memo records, etc., there will be a few paper notebooks. Ten or even hundreds of pages of paper, and the same type of notebook, the style of all the paper sheets used for recording is generally uniform. After using the application software such as CamScanner to electronically stream the notebook page and save it to a smart phone or other electronic device in the format of JPEG image or PDF document, people generally see it on the display screen of electronic devices such as smart phones. The thumbnail of the electronic document, click on the open thumbnail to see the entire contents of the electronic document. Just like in a PC computer with a Windows operating system, people can list the images in a folder that saves image files in the form of thumbnails. First, you can see an overview of each image file through thumbnails. Click on this thumbnail. After opening this file, you will see all the contents of the file. For graphics, thumbnails can clearly show the outline of the graphics, but for text, the text displayed in the thumbnails is very small, and it is impossible to directly distinguish the approximate content, that is, the thumbnails obtained from the entire page. It is very likely that you can't see what is being recorded on each notebook page. Summary of the invention

In view of the above-mentioned shortcomings of the prior art, an object of the present invention is to provide a professional notebook that is convenient for electronic use and an electronic thumbnail display method thereof for solving the content confusion of the electronic paper page in the prior art. It is not easy to implement the management and query of content.

To achieve the above and other related objects, the present invention provides a professional notebook that is convenient for electronic use and an electronic thumbnail display method thereof.

A professional notebook that is convenient for electronic printing, and a paper page for the electronic notebook is printed with a header area for summarizing the content of the page.

Preferably, the title area includes a main title area or/and a subtitle area.

Preferably, the title area is fixedly disposed at a designated position on the paper page.

An electronic thumbnail display method for a professional notebook that is convenient for electronic use, the method comprising: capturing a paper page image of a professional notebook that is convenient for electronic;

Determining a type of the paper page based on the paper page image, thereby obtaining a position of a title area printed on a paper page of the professional notebook in the paper page;

Determining four edge lines of the paper page image by a line detection method in the image, and correcting the page area defined by the four edge lines to a square area, and determining an accurate position of the title area in the square area;

It is judged whether or not the title area is blank, and if it is not blank, the content in the title area is extracted to generate a thumbnail of the paper page image.

Preferably, the type of the paper page is determined by the size and format of the paper page; the format of the paper page includes the number of branch lines printed on the paper page, or / and whether there is a title area, or / And the size and position of the title area.

Preferably, the title area is fixedly disposed at a designated position on the paper page; the title area includes a main title area or/and a subtitle area.

Preferably, if the title area is blank, extracting the entire content of the corrected square area produces a thumbnail of the paper page image.

Preferably, in a case where the type of the paper page is known in advance, a specific implementation manner of determining the type of the paper page according to the paper page image is: manually specifying the type of the paper page.

Preferably, in the case that the type of the paper page is known in advance, according to the paper page map A specific implementation manner of determining the type of the paper page is: printing a type mark on a fixed position on the paper page; detecting a type mark on the paper page image, and detecting the detected type mark A one-to-one comparison with a previously known type tag to find out the type to which the paper page belongs.

Preferably, in a case that the type of the paper page is not known in advance, the specific implementation manner of determining the type of the paper page according to the paper page image is: creating a new type of paper page, inputting the type The size and format of an unknown paper page. As described above, the electronic notebook and the electronic thumbnail display method thereof according to the present invention have the following beneficial effects:

The invention prints the title area on the paper page of the notebook, and automatically cuts out the title area as a thumbnail of the electronic document when the notebook page is electronicized by the application software such as CamScanner, thereby facilitating the electronic document. Management is the query. DRAWINGS

FIG. 1 is a schematic view showing the structure of a professional notebook which is convenient for electronic use according to the present invention.

FIG. 2 is a schematic view showing another structure of a professional notebook which is convenient for electronic use according to the present invention. FIG. 3 is a flow chart showing an electronic thumbnail display method of a convenient electronic notebook according to the present invention. Component label description

100 paper pages;

110 title area;

111 main title area;

112 subtitle area

The embodiments of the present invention are described below by way of specific examples, and those skilled in the art can readily understand other advantages and effects of the present invention from the disclosure of the present disclosure. The present invention may be embodied or applied in various other specific embodiments. The details of the present invention can be variously modified and changed without departing from the spirit and scope of the invention. Please refer to the attached picture. It should be noted that the illustrations provided in this embodiment merely illustrate the basic concept of the present invention in a schematic manner, and only the components related to the present invention are shown in the drawings, instead of the number and shape of components in actual implementation. Dimensional drawing, the actual type of implementation of each component's type, number and proportion can be a random change, and its component layout can be more complicated.

The invention will now be described in detail in conjunction with the embodiments and the drawings. Embodiment 1

The embodiment provides a professional notebook that is convenient for electronic use. As shown in FIG. 1, the paper page 100 of the electronic notebook that is convenient for electronic printing is printed with a title area 110 for summarizing the content of the page. Specifically, the title area 110 is fixedly disposed at a designated position on the paper page 100. Thus, when the paper page 100 is electronically scanned, the title area 110 can be accurately scanned, and the content in the title area 110 can be extracted.

Further, the title area 110 includes a main title area 111 or / and a subtitle area 112. That is, the title area 110 may be only one main title area 111, or one main title area 111 and one subtitle area 112, see Fig. 2.

The embodiment further provides an electronic thumbnail display method for a professional notebook that is convenient for electronic use, wherein the electronic notebook is a convenient and electronic professional notebook provided by the embodiment (see FIG. 1 and FIG. 2). As shown in FIG. 3, the method includes:

Take a paper page image of a professional notebook that is easy to electronic. In this embodiment, a header page for summarizing the content of the page is printed on the paper page of the electronic notebook that is convenient for electronic printing. In order to implement the method of the present invention, it is necessary to print a title area on a paper page of the notebook, wherein the title area may record the main content on the paper page, or record the title of the content on the paper page. This makes it easy to query the content you need on many paper pages. Moreover, the title area is fixedly disposed at a specified position on the paper page; the title area includes a main title area or/and a subtitle area, that is, the title area may be only one main title area, or It is a main title area and a subtitle area.

The type of the paper page is determined based on the paper page image, thereby obtaining a position of a title area printed on a paper page of the professional notebook in the paper page. In this embodiment, the type of the paper page is determined by the size and format of the paper page; the format of the paper page includes the number of branch lines printed on the paper page, or/and whether there is a title area, Or / and the size and location of the title area. That is, the format of the paper page may be any case, for example, only the branch line is printed on the paper page, or only the title area and the size and position of the title area are printed, or both are printed. The branch line is also printed with a title area.

The four edge lines of the paper page image are determined by a line detection method in the image, and the page area defined by the four edge lines is corrected to a square area, and the accurate position of the title area in the square area is determined. In this embodiment, four straight lines representing the outer edge of the page in the page image are acquired by the line detection in the image, and the four background areas outside the range defined by the outer edge of the page are cut off, and the four outer pages are represented by the four lines. The captured image is corrected based on the straight line, and the four page areas defined by the straight lines representing the outer edge of the page are corrected into a square area, which may be a rectangular area or a square area. The exact position of the title area in the paper page can be determined based on the type of the paper page and the corrected page area, thereby accurately obtaining the content in the title area of the paper page.

Determining whether the title area is blank, if not blank, extracting the content in the title area to generate a thumbnail of the paper page image; if the title area is blank, extracting the corrected The entire content of the square area (i.e., the corrected paper page image) produces a thumbnail of the paper page image. In this embodiment, the title area is extracted from the paper page image of the corrected notebook, and it is determined whether the title area includes content added by the user (including handwritten or printed), that is, whether the title area is determined. Blank, if the content added by the user is included, that is, the title area is no longer blank, the extracted title area is used to generate a thumbnail of the electronic document, that is, a thumbnail of the paper page image is generated. Otherwise, the entire paper page is still used to generate a thumbnail of the document after the electronicization, that is, a thumbnail of the paper page image is generated. The invention prints a title area on a notebook page, records the summary content contained in the notebook page through the title area, and automatically cuts out the title area as an electronic document when the notebook page is electronicized by an application software such as CamScanner. The thumbnails greatly increase the information carried by the thumbnails, thus facilitating the management of electronic documents.

The invention prints the title area on the paper page of the notebook, and automatically cuts out the title area as a thumbnail of the electronic document when the notebook page is electronicized by the application software such as CamScanner, thereby facilitating the electronic document. Management is the query.

The method of adding the title area to determine the thumbnail of the electronic document not only facilitates the management and query of the electronic document, but also makes the reading of the electronic document faster and clearer. Embodiment 2

The embodiment provides an electronic thumbnail display method for a professional notebook that is convenient for electronicization, and the difference from the electronic method for the electronic notebook that is convenient for electronic use according to the first embodiment is: the paper page is known in advance. The specific implementation manner of determining the type of the paper page according to the paper page image is: manually specifying the type of the paper page; that is, manually specifying the image before the image is taken, or after the image is processed after the image is taken. The type of notebook paper page to which it belongs, such as one of a series of notebook page types that are pre-stored in applications such as camScanner. Embodiment 3

The embodiment provides an electronic thumbnail display method for a professional notebook that is convenient for electronicization, and the difference from the electronic method of the electronic notebook for convenient electronicization according to the first and second embodiments is: the paper is known in advance. The type of the page, the specific implementation manner of determining the type of the paper page according to the paper page image is:

A type of indicia is printed at a fixed position on the paper page; the type of indicia can be a text, a symbol, a graphic, or a combination of any two or three.

A type mark on the paper page image is detected, and the detected type mark is compared with a previously known type mark to find out the type to which the paper page belongs. Printing a type mark on a fixed position on the paper page; that is, printing a pre-designed mark (ie, type mark) on a specified position of each paper page of the notebook in advance, and acquiring the notebook in the photographing After the image of the paper page, the four outer edges of the paper page of the notebook are detected in the image, and the approximate position of the mark is determined in the image of the paper page with reference to the four outer edges, thereby realizing the mark The detection in the image then compares the detected mark with the pre-stored mark of the paper page representing a plurality of different types of notebooks to find out the type of the paper page of the photographed notebook. The detected mark is compared with the pre-stored mark representing a plurality of different types of notebook paper pages to find out the type of the paper page of the photographed notebook, which involves handwriting recognition, text recognition, Mature techniques in the art such as image matching are not described herein. Embodiment 4

The embodiment provides an electronic thumbnail display method for a professional notebook that is convenient for electronicization, and the difference from the electronic method for the electronic notebook that is convenient for electronic use according to the first embodiment is: The type of the paper page, in this case, the specific implementation manner of determining the type of the paper page according to the paper page image is:

Create a new type of paper page and enter the size and format of the unknown paper page.

That is, if the paper page of the notebook being photographed does not belong to a type of paper page printed with bold or/and lengthened branch lines, or/and a line of division, or/and a title area, which is known in advance by an application such as CamScanner. Then, in the subsequent steps, the type of the unknown paper page is first added to the type of the newly created paper page, and then the subsequent processing is performed.

In summary, the present invention effectively overcomes various shortcomings in the prior art and has high industrial utilization value. The above-described embodiments are merely illustrative of the principles of the invention and its advantages, and are not intended to limit the invention. Modifications or variations of the above-described embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention. Therefore, all equivalent modifications or changes made by those skilled in the art without departing from the spirit and scope of the invention are still covered by the appended claims.

Claims

Claim

A professional notebook that is convenient for electronic use, characterized in that: a paper page of the electronic notebook that is convenient for electronic printing is printed with a title area for summarizing the content of the page. A professional electronic notebook according to claim 1, wherein: said title area comprises a main title area or/and a subtitle area. A handy electronic notebook according to claim 1 or 2, wherein: said title area is fixedly disposed at a designated position on said paper page. An electronic thumbnail display method for a professional notebook that is convenient for electronic use, characterized in that:

Take a paper page image of a professional notebook that is convenient for electronic use;

Determining a type of the paper page according to the paper page image, thereby obtaining a position of a title area printed on a paper page of the professional notebook in the paper page;

It is determined whether the title area is blank, and if not, the content in the title area is extracted to generate a thumbnail of the paper page image. The electronic thumbnail display method of the electronic notebook according to claim 4, wherein: the type of the paper page is determined by the size and format of the paper page; and the format of the paper page This includes the number of line breaks printed on the paper page, or / and whether there is a title area, or / and the size and position of the title area. The electronic thumbnail display method of the electronic notebook according to claim 4, wherein: the title area is fixedly disposed at a designated position on the paper page; and the title area includes a main title area Or / and subtitle area. The electronic thumbnail display method for a convenient electronic notebook according to claim 4, wherein: if the title area is blank, extracting the entire content of the corrected square area produces the A thumbnail of a paper page image. The electronic thumbnail display method of the electronic notebook according to claim 4, wherein: in the case where the type of the paper page is known in advance, the image is determined based on the paper page image The specific implementation of the type of paper page is: Manually specify the type of the paper page. The electronic thumbnail display method of the electronic notebook according to claim 4, wherein: in the case where the type of the paper page is known in advance, the image is determined based on the paper page image The specific implementation of the type of paper page is:

Printing a type of mark at a fixed position on the paper page;

A type mark on the paper page image is detected, and the detected type mark is compared with a previously known type mark to find out the type to which the paper page belongs. 0. The electronic thumbnail display method of the electronic notebook according to claim 4, wherein: if the type of the paper page is unknown in advance, determining the image according to the paper page image The specific implementation of the type of paper page is: