Two-dimension image antialiasing method and device
A two-dimensional graphics and anti-aliasing technology, which is applied in image enhancement, image data processing, instruments, etc., can solve the problems of low printing quality and file aliasing, and achieve the effect of improving printing quality, smoothing aliasing, and good consistency
Inactive Publication Date: 2009-03-11
NEW FOUNDER HLDG DEV LLC +1
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[0007] The present invention provides a two-dimensional graphics anti-aliasing method and device to solve the problems of jaggedness in printed documents and low printing quality in the prior art
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[0041] The invention provides a two-dimensional graphic anti-aliasing method and device, which can alleviate the aliasing phenomenon existing in printed documents and improve printing quality. Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0042] On the one hand, the embodiment of the present invention provides a two-dimensional graphics anti-aliasing method, such as figure 1 As shown, it includes:
[0043] Step 101: Obtain the boundary information of the two-dimensional graphics on the page and the rasterized data corresponding to the page;
[0044] Wherein, both the boundary information of the two-dimensional graphics and the rasterized data corresponding to the page can be obtained by RIP processing the page description information.
[0045] Step 102: According to the boundary information, in the rasterized data, find the pixel points adjacent to the boundary points of the two-dimensional graphics a...
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The invention discloses a two-dimensional image anti-aliasing method and a device thereof, which pertain to the technical field of rasterized image processing and solve the problems of aliasing situation and not quite high printing quality when printing documents in the prior art. The two-dimensional image anti-aliasing method comprises the steps as follows: the boundary information of a two-dimensional image on a page layout and the corresponding rasterization data of the page layout are obtained; pixel points which are adjacent to the boundary points of the two-dimensional image but not boundary points are found in the rasterization data according to the boundary information; and transition points are added to the pixel points to smooth aliasing. The device comprises: an obtaining unit used for obtaining the boundary information of the two-dimensional image on the page layout and the corresponding rasterization data of the page layout; a searching unit used for finding out the pixel points which are adjacent to the boundary points of the two-dimensional image but not boundary points in the rasterization data according to the boundary information; and an adding unit used for adding the transition points to the pixel points to smooth the aliasing.
Description
technical field [0001] The invention belongs to the technical field of rasterized image processing, and in particular relates to an anti-aliasing method and device. Background technique [0002] With the continuous maturity and development of digital printing technology and digital printing equipment, the digital market is also becoming more and more mature and popular, and people's requirements for digital printing quality are getting higher and higher. [0003] The core device in digital printing is a raster image processor (Raster Image Processor, RIP), its main function is to interpret various graphics and text in the layout made by the computer into dot matrix information that can be used by a printer or an imagesetter, and then Control the printer or imagesetter to record the dot matrix information on paper or film. [0004] The specific process of digital printing is as follows: first send the description information of the page to be printed to RIP, and get the corr...
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IPC IPC(8): G06T5/00
Inventor 朱晓明康俊杰
Owner NEW FOUNDER HLDG DEV LLC