首页|High dynamic rangeimage reconstruction for multi-bit quanta image sensor
High dynamic rangeimage reconstruction for multi-bit quanta image sensor
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An adaptive thresholds algorithm is proposed in this letter,which is used to determine the global optimal thresholds for multi-bit quanta image sensor(MB-QIS).Firstly,the senor model of MB-QIS is set up.Then global optimal thresholds theory is analyzed and a thresholds optimization algorithm based on the binary search is designed to de-termine the optimal global thresholds.Finally,the high dynamic range(HDR)images are reconstructed by the non-iterative maximum likelihood estimation(MLE)image reconstruction method.The results of simulation prove that HDR imaging of MB-QIS is realized by the proposed method effectively.
GAO Jing、SHANG Zongyao、NIE Kaiming、LUO Tao
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Tianjin Key Laboratory of Imaging and Sensing Microelectronic Technology,School of Microelectronics,Tianjin University,Tianjin 300072,China
College of Intelligence and Computing,Tianjin University,Tianjin 300072,China
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