Invention Grant
- Patent Title: High dynamic range sub-sampling architecture
- Patent Title (中): 高动态范围子采样架构
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Application No.: US13365766Application Date: 2012-02-03
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Publication No.: US08599284B2Publication Date: 2013-12-03
- Inventor: Yaowu Mo , Chen Xu , Min Qu , Xiaodong Luo , Donghui Wu
- Applicant: Yaowu Mo , Chen Xu , Min Qu , Xiaodong Luo , Donghui Wu
- Applicant Address: US CA Santa Clara
- Assignee: OmniVision Technologies, Inc.
- Current Assignee: OmniVision Technologies, Inc.
- Current Assignee Address: US CA Santa Clara
- Agency: Blakely Sokoloff Taylor & Zafman LLP
- Main IPC: H04N5/235
- IPC: H04N5/235 ; H04N5/225 ; H04N5/335

Abstract:
A method of implementing high dynamic range bin algorithm in an image sensor including a pixel array with a first super row having a first integration time and a second super row having a second integration time is described. The method starts by reading out image data from the first super row into a counter. Image data from the first super row is multiplied by a factor to obtain multiplied data. The factor is a ratio between the first and the second integration times. The multiplied data is then compared with a predetermined data. The image data from the second super row is readout into the counter. If the multiplied data is larger than the predetermined data, the multiplied data from the first super row is stored in the counter. If not, the image data from the second super row is stored. Other embodiments are also described.
Public/Granted literature
- US20130088624A1 HIGH DYNAMIC RANGE SUB-SAMPLING ARCHITECTURE Public/Granted day:2013-04-11
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