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Theory and experiment of a new image encoding technique using speckles modulated by different slit pupil function are described. Compared with current grating encoding, the advantages of the new technique are that there is no necessity to reprint the negative transparency into a positive one, operation is simple, and resolution is high enough. Especially in multi-signal parallel processing the Moire fringes that easily appear in grating encoding do not appear in the speckle encoding. As an example, the experimental result of white-light stereoprojection utilizing speckle encoding is given.
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南开大学现代光学研究室
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Acta Physica Sinica, 2008, 57(12): 7641-7649. doi: 10.7498/aps.57.7641 [9] Liu Wen-Jun, Cao Wu-Gang, Guo Jin-Xin, Liu Hai-Lei, Qu Shi-Liang. Measurement and characterization of temporal femtosecond speckle. Acta Physica Sinica, 2008, 57(4): 2192-2198. doi: 10.7498/aps.57.2192 [10] Song Hong-Sheng, Cheng Chuan-Fu, Zhang Ning-Yu, Ren Xiao-Rong, Teng Shu-Yun, Xu Zhi-Zhan. Study on the dependence of the contrast of image speckles produced by strong scattering-object on random surface and imaging system. Acta Physica Sinica, 2005, 54(2): 669-676. doi: 10.7498/aps.54.669 [11] ZHAN DA-SAN. A DISCUSSION ON THE n-PLANE LINEAR COHERENT OPTICAL-PROCESSING SYSTEM (Ⅱ). Acta Physica Sinica, 1993, 42(9): 1431-1437. doi: 10.7498/aps.42.1431 [12] ZHAN DA-SAN. A DISCUSSION ON THE n-PLANE LINEAR COHERENT OPTICAL-PROCESSING SYSTEM (I). Acta Physica Sinica, 1993, 42(9): 1422-1430. doi: 10.7498/aps.42.1422 [13] YAO KUN, XU GUANG-YU, GUO GUANG-CAN, PENG HU, ZHOU PEI-LING. DYNAMIC LASER SPECKLES PRODUCED BY DOUBLE LIGHT BEAMS. Acta Physica Sinica, 1992, 41(2): 238-243. doi: 10.7498/aps.41.238 [14] FANG ZHI-LIANG, ZHOU CHUN-YAN, XU XIN, MU GUO-GUANG. A STUDY OF THE AMPLITUDE FILM-GRAIN NOISE IN WHITE-LIGHT OPTICAL PROCESSING. Acta Physica Sinica, 1990, 39(5): 741-748. doi: 10.7498/aps.39.741 [15] WANG NAI-QUAN, ZHANG HONG-JUN, E YUN. THE STATISTICAL PROPERTIES OF POLARIZED LASER SPECKLE. Acta Physica Sinica, 1983, 32(1): 124-132. doi: 10.7498/aps.32.124 [16] MU GUO-GUANG, WANG JUN-QING, FANG ZHI-LIANG. SPECTRAL ANALYSIS BY MEANS OF IMAGE ADDITION AND SUBTRACTION TECHNIQUE IN WHITE-LIGHT PROCESSING SYSTEM. Acta Physica Sinica, 1982, 31(11): 1534-1540. doi: 10.7498/aps.31.1534 [17] Francis. T. S. YU, G. G. MU. COLOR RESTORATION OF FADED COLOR FILMS WITH WHITE-LIGHT PROCESSING. Acta Physica Sinica, 1981, 30(6): 841-848. doi: 10.7498/aps.30.841 [18] G. G. MU, C. K. CHIANG, H. K. LIU. WHITE-LIGHT IMAGE ADDITION AND SUBTRACTION BY COLORIMETRIC MEASUREMENT. 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- Received Date:
21 January 1982
- Published Online:
27 July 2005
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