Abstract: A method for extracting a document structure is disclosed. The method may include determining a position of reference information in a layout file, and extracting items related to the reference information from the determined position of the layout file. An apparatus for extracting a document structure is also disclosed. The apparatus may include a processor configured to determine a position of reference information in a layout file; and to extract items related to the reference information from the determined position of the layout file. The apparatus may further include a storage device configured to store the extracted items.

Abstract: A method for identifying a table in a digital file includes extracting lines from a layout of the digital file, wherein the lines comprise horizontal lines and vertical lines. The method also includes identifying intersected line groups, wherein each intersected line group comprises a horizontal line of the extracted horizontal lines and a vertical line of the extracted vertical lines, the horizontal line and the vertical line intersecting with each other. The method further includes determining whether the number of intersected lines in each intersected line group is larger than a first threshold. If yes, the method further includes identifying an area in which the intersected line groups are located as a table area. If no, the method further includes performing vertical projection on characters in the area, and identifying the area as a table area based on results of the vertical projection.

Abstract: The present invention provides a method and an apparatus for detecting a traffic monitoring video. The method comprises: determining a background reference model; determining a target area image in the traffic monitoring video according to the background reference model; updating the background reference model by using the target area image; summating all target points in detection area of each frame of image in the traffic monitoring video according to the updated background reference model to obtain a total area of all the target points; segmenting the frame with the biggest total area to obtain a target area at the best position; and extracting vehicle information from the target area at the best position. By using the present invention, the accuracy of a detection result in a complex environment may be improved.

Abstract: The present invention provides a method and an apparatus for detecting traffic video information. The method includes: acquiring a traffic video stream; determining color features of each frame of image in the traffic video stream; calculating the inter-frame distance between adjacent frames according to the color features; calculating the boundary of an image clustered frames' group according to the inter-frame distance by adopting an image clustering evaluation standard in RGB space and an image clustering evaluation standard in YUV space respectively; and determining a final boundary of the image clustered frames' group according to the boundaries of the image clustered frames' group in RGB space and YUV space. By using the present invention, the stability of detection results in different environments may be improved.

Abstract: A method and apparatus for describing an image are disclosed. The method for describing an image according to an embodiment of the invention includes: transforming an image from a BGR color space into a Gaussian derivative color model; and transforming the image from the Gaussian derivative color model into an optical reflection invariant color space, wherein the process of transforming the image from the Gaussian derivative color model into the optical reflection invariant color space includes: determining, for each pixel on the image, color channels of the pixel corresponding to the optical reflection invariant color space according to a first coefficient and a second coefficient of the pixel in the Gaussian derivative color model. The embodiments of the invention can alleviate an error in a description of an image of the same contents but with a significant change in color.

Abstract: A method and apparatus for matching key pixels of images and a method and apparatus for matching images are disclosed. The method for matching key pixels of images includes: determining, for a key pixel to be matched of a first image, a first eigenvector, in a set of eigenvectors of a second image, matching an eigenvector of the key pixel to be matched; determining a second eigenvector, in a set of eigenvectors of the first image, matching the first eigenvector; and determining the key pixel to be matched and a key pixel corresponding to the first eigenvector as a pair of matching pixels when a coordinate vector of the key pixel to be matched is the same as a coordinate vector of a key pixel corresponding to the second eigenvector.

Abstract: A method and a device for directory generation are provided in the present disclosure. The method comprises searching a directory byte stream in a text file. The directory byte stream includes a predetermined directory key byte corresponding to a predetermined directory character. The method also comprises generating a directory of the text file based on the directory byte stream.

Abstract: A method for processing data of a scanned book having a plurality of pages is disclosed. The method includes obtaining page image data from a page. The method further includes segmenting and recognizing the page image data to obtain locations of rectangular boxes corresponding to the respective characters and text codes for the respective characters. The method also includes obtaining respective aggregated character line information for each line of characters. The method further includes adjusting the rectangular boxes in accordance with the obtained aggregated character line information.

Abstract: A method and apparatus for matching key pixels of images and a method and apparatus for matching images are disclosed. The method for matching key pixels of images includes: determining, for a key pixel to be matched of a first image, a first eigenvector, in a set of eigenvectors of a second image, matching an eigenvector of the key pixel to be matched; determining a second eigenvector, in a set of eigenvectors of the first image, matching the first eigenvector; and determining the key pixel to be matched and a key pixel corresponding to the first eigenvector as a pair of matching pixels when a coordinate vector of the key pixel to be matched is the same as a coordinate vector of a key pixel corresponding to the second eigenvector.

Abstract: A method of authenticating an online read right of a digital content includes: receiving an online read first request from a terminal, the first request including first user information, obtaining first right information corresponding to the first user information, generating a first right model, obtaining first certificate information corresponding to the first right model, generating a second request including the first right model and the first certificate information, and authenticating the first certificate information and M function rights in the first right model.

Abstract: The present invention provides a method and an apparatus for detecting a traffic monitoring video. The method comprises: determining a background reference model; determining a target area image in the traffic monitoring video according to the background reference model; updating the background reference model by using the target area image; summating all target points in detection area of each frame of image in the traffic monitoring video according to the updated background reference model to obtain a total area of all the target points; segmenting the frame with the biggest total area to obtain a target area at the best position; and extracting vehicle information from the target area at the best position. By using the present invention, the accuracy of a detection result in a complex environment may be improved.

Abstract: The present invention provides a method and an apparatus for detecting traffic video information. The method includes: acquiring a traffic video stream; determining color features of each frame of image in the traffic video stream; calculating the inter-frame distance between adjacent frames according to the color features; calculating the boundary of an image clustered frames' group according to the inter-frame distance by adopting an image clustering evaluation standard in RGB space and an image clustering evaluation standard in YUV space respectively; and determining a final boundary of the image clustered frames' group according to the boundaries of the image clustered frames' group in RGB space and YUV space. By using the present invention, the stability of detection results in different environments may be improved.

Abstract: Embodiments of the invention disclose a method, system and apparatus for coordinated processing of a document, relate to the field of data processing and are intended to address the problem of how multiple clients perform coordinated operations on the document. In the invention, a server detects a document operation on a first client among respective clients at a preset frequency and sends a detection result to a second client other than the first client; and the second client displays the detection result. Apparently this solution addresses the problem of how the multiple clients perform coordinated operations on the document.

Abstract: A method and a device for determining a display mode of an electronic document on a screen are provided. The method may comprise: obtaining the size of the screen and the original layout size of the electronic document; determining, from the obtained original layout size, a document layout length in a layout direction of the original layout of the electronic document; determining, from the obtained size of the screen, a screen reading length in a reading direction of the screen; and comparing the document layout length with the screen reading length to determine whether a fixed-layout display mode or a flow display mode shall be selected to display the electronic document.

Abstract: A method and apparatus for describing an image are disclosed. The method for describing an image according to an embodiment of the invention includes: transforming an image from a BGR color space into a Gaussian derivative color model; and transforming the image from the Gaussian derivative color model into an optical reflection invariant color space, wherein the process of transforming the image from the Gaussian derivative color model into the optical reflection invariant color space includes: determining, for each pixel on the image, color channels of the pixel corresponding to the optical reflection invariant color space according to a first coefficient and a second coefficient of the pixel in the Gaussian derivative color model. The embodiments of the invention can alleviate an error in a description of an image of the same contents but with a significant change in color.

Abstract: A digital content rights management method and system belongs to the digital content rights management technique field. The method of the invention includes the steps: registering the system, generating the time stamp, verifying the time stamp when the system starts up, acquiring the certificate, verifying the time before accessing the digital content. The system of the invention comprises a device for accessing the digital content and a server, wherein the device for accessing the digital content comprises: a registering module, a time stamp generating module, a time stamp verification module, a certificate of authorization acquiring module, and a time verification module. The method and system have solved the problem that the digital content can still be used beyond the time limit.

Abstract: A method for processing an XML document with a schema includes extracting structure content and data content of an XML document, determining path coding of a node in the structure content, and determining data content corresponding to the node according to a pre-stored preorder of the node, wherein the path coding of the node identifies a storage position of the node in the structure content through the node and other nodes in the structure content, and compressing respectively the node, the path coding of the node and the data content.

Abstract: A method and a device for determining a display mode of an electronic document on a screen are provided. The method may comprise: obtaining the size of the screen and the original layout size of the electronic document; determining, from the obtained original layout size, a document layout length in a layout direction of the original layout of the electronic document; determining, from the obtained size of the screen, a screen reading length in a reading direction of the screen; and comparing the document layout length with the screen reading length to determine whether a fixed-layout display mode or a flow display mode shall be selected to display the electronic document.

Abstract: A character display technique relating to computer information processing to improve the display of characters. Whether a thickening process on a glyph outline corresponding to a character to be displayed is needed is determined by calculating a mean grayscale value of pixels of a grayscale bitmap of the glyph outline. if thickening is to be performed, the thickening amount is determined on the basis of the mean grayscale value of pixels, and the thickened glyph outline is output for display, thereby minimizing problems of fading of the displayed color, fuzzy strokes and the like due to strokes that are too narrow, and thus improving the character display effect.

Abstract: A technique for identifying font in connection with text data processing. An original font corresponding to an embedded font used in an electronic document is identified. At least one glyph is selected from a glyph collection of the embedded font. The font corresponding to each selected glyph is identified, and the original font corresponding to the embedded font is identified according to the font that corresponds to each selected glyph.