HOWARD P G, VITTER J S. Fast and efficient lossless image compression [C]// IEEE Data Compression Conference. Snowbird, USA, 1993:351?360.? [2]IDDAN G, MERON G, GLUKHOVSKY A, et al. Wireless capsule endoscopy[J]. Nature, 2000, 405: 417.? [3]GOLOMB S W. Run?Length Encodings [J]. IEEE Transactions on Information Theory, 1966, 12(3): 399?401. ? [4]WEINBERGER M J, SEROUSSI G, SAPIRO G. The LOCO?I lossless image compression algorithm: principles and standardization into JPEG?LS[J]. IEEE Transactions on Image Processing, 2000, 9(8): 1309?1324.? [5]WU X, MEMON N. Context?based, adaptive, lossless image coding . IEEE Transactions on Communications, 1997, 45(4): 437?444.? [6]TSAI T H, LEE Y H, LEE Y Y. Design and analysis of high?throughput lossless image compression engine using VLSI?oriented FELICS algorithm [J]. IEEE Transactions on Very Large Scale Integration (VLSI) Systems, 2010, 18(1):39?52.? [7]BAYER B E. Color imaging array: USA, 3,971,065 [P]. 1976?5?12.? [8]XU Xinfeng, HEI Yong. A shortcut to compressing Bayer?pattern imagery losslessly[C]// IEEE International Congress on Image and Signal Processing. Tianjin, 2009:1?4.? [9]CHEN Xinkai, ZHANG Xiaoyu, ZHANG Linwei, et al. A wireless capsule endoscope system with low?power controlling and processing ASIC [J]. IEEE Transactions on Biomedical Circuits and Systems, 2009, 3(1):11?22.? [10]OmniVision Technologies. OV7649/OV7149 CMOS VGA (640 x 480) CAMERACHIP??TM? [Z]. Sunnyvale : OmniVision Technologies,2003:8?9.