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《Journal of Shaanxi Normal University(Natural Science Edition)》 2004-04
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Linear quadtree coding approach for two-dimension graphic data

FU Wei (Department of Communication and Electronic Engineering of Information Institute, Yanshan University, Qinhuangdao 066004, Hebei, China)  
The data structure of linear quadtree coding for two-dimension graphic data is presented. With the data structure, the algorithms of transformation, contraction, and magnification, storage, etc. of quadtree coding for two-dimension graphic data are studied. And the approaches which can be used to transform the data structure of quadtree coding for two-dimension graphics data into grating scan display. Meanwhile, with the C language programming, various algorithms are discussed which can be used to realize store, display, transformation of quadtree coding data, and to transform pixel matrix into data structure of quadtree coding for two-dimension graphics. The algorithms are suitable to compressing storage of quadtree coding data for two-dimension graphics, and various logical operation of images. By the methods, lots of store units are economized, and computing speed of graphics or images is quickened greatly. The approaches mentioned above provide a new kind of research means for compressing coding technology of computer graphics.
【Fund】: 新疆维吾尔自治区自然科学基金资助项目(69662001)
【CateGory Index】: TP391.41
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