Invention Grant
US08792020B2 Method and apparatuses for pedestal level compensation of active signal generated from an output signal of a pixel in an image sensor
有权
用于基于图像传感器中的像素的输出信号产生的有源信号的基准电平补偿的方法和装置
- Patent Title: Method and apparatuses for pedestal level compensation of active signal generated from an output signal of a pixel in an image sensor
- Patent Title (中): 用于基于图像传感器中的像素的输出信号产生的有源信号的基准电平补偿的方法和装置
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Application No.: US13248324Application Date: 2011-09-29
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Publication No.: US08792020B2Publication Date: 2014-07-29
- Inventor: Kyung Ho Lee , Jung Chak Ahn
- Applicant: Kyung Ho Lee , Jung Chak Ahn
- Applicant Address: KR Suwon-si, Gyeonggi-do
- Assignee: Samsung Electronics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.
- Current Assignee Address: KR Suwon-si, Gyeonggi-do
- Agency: Volentine & Whitt, PLLC
- Priority: KR10-2010-0120078 20101129
- Main IPC: H04N5/217
- IPC: H04N5/217
Abstract:
A pedestal level compensation method includes calculating a dark level difference error depending on temperature, calculating a pedestal level offset depending on an analog gain, and compensating a pedestal level according to the dark level difference error and the pedestal level offset.
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