FAST IMPLEMENTATIONS FOR MIRRORING AND ROTATING BINCODE–BASED IMAGES |
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| Authors: | KUO–LIANG CHUNG JUNG–GEN WU |
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| Affiliation: | aDepartment of Information Management and Graduate Program of Information Engineering, National Taiwan University of Science and Technology No. 43, Section 4, Keelung Road, Taipei, Taiwan 10672, R. O. C.;bDepartment of Information and Computer Education, National Taiwan Normal University, No. 162, Section 1, Hoping E. Road, Taipei, Taiwan 10610, R. O. C. |
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| Abstract: | The spatial data structure known as bincode is a simple and storage-saving encoding scheme for representing binary images. In this paper, we first present eight efficient operations for mirroring and rotating bincode-based images. Among the operations, certain special operations on individual bits within bincodes are needed. Then we present a newly proposed logical representation for implementing the bitwise operations in the operations. Finally, we implement the bitwise operations in hardware to speed up the special manipulations. |
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| Keywords: | Data structures Image analysis Computer hardware Image coding Mirroring bincode-based images Rotating bincode-based images |
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