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- W2045784807 abstract "In some professional image application fields, we need to test some key parameters of the CMOS camera and evaluate the performance of the device. Aiming at this requirement, this paper proposes a perfect test method to evaluate the CMOS camera. Considering that the CMOS camera has a big fixed pattern noise, the method proposes the ‘photon transfer curve method’ based on pixels to measure the gain and the read noise of the camera. The advantage of this method is that it can effectively wipe out the error brought by the response nonlinearity. Then the reason of photoelectric response nonlinearity of CMOS camera is theoretically analyzed, and the calculation formula of CMOS camera response nonlinearity is deduced. Finally, we use the proposed test method to test the CMOS camera of 2560*2048 pixels. In addition, we analyze the validity and the feasibility of this method." @default.
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- W2045784807 date "2014-09-18" @default.
- W2045784807 modified "2023-09-25" @default.
- W2045784807 title "Research on evaluation method of CMOS camera" @default.
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- W2045784807 doi "https://doi.org/10.1117/12.2070594" @default.
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