Infrared and Laser Engineering, Volume. 49, Issue 5, 20190553(2020)
A high speed programmable vision chip for real-time object detection
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Table 1. Vision chip parameters
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Technology 65 nm 1P9M Size 4 mm×6 mm Core frequency 200 MHz Processing unit 1+16+512 Operand bit-width 2×8-bit fixed / 16-bit fixed Peak performance 413GOPS@8b / 208GOPS@16b Peak power 1.07 W I/O bandwidth 3.2 Gbps (duplex)
Table 2. Comparison with related work
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References This work Ref [ 5 ]Ref [ 12 ]Ref [ 13 ]Ref [ 14 ]Technology/nm 65 180 130 65 65 Core area/mm2 4×6 9.8×8.4(include sensor) 187 4×4 4×4 Frequency/MHz 200 50 80 200 250 On-chip SRAM 320 kB 32 kB 236 kB 192 kB 282 kB Bit-width(fixed) 1/8/16 1~16 8 16 16 Traditional computer vision Filter, corner detection Histogram SVM/Adaboost Filter, corner detection Histogram Filter(enhance, morphology) N/A N/A Convolution neural network Conv Pooling FC SOM neural(FC) Conv Conv Conv Pooling FC Peak performance 413GOPS@8b 208GOPS@16b 14GOPS@8b 61GOPS@8b 67GOPS@16b 32GOPS@16b Energy-efficiency (GOPS/W) 194 @16b 44 @8b(processor array) 85 @8b 166 @16b 208 @16b
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Li Honglong, Yang Jie, Zhang Zhongxing, Luo Qian, Yu Shuangming, Liu Liyuan, Wu Nanjian. A high speed programmable vision chip for real-time object detection[J]. Infrared and Laser Engineering, 2020, 49(5): 20190553
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Received: Feb. 5, 2020
Accepted: Mar. 25, 2020
Published Online: Sep. 22, 2020
The Author Email: Honglong Li (lihonglong@semi.ac.cn)
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