| 摘要 |
A method of one aspect includes reading a reset level of an active pixel, and concurrently, reading a reset level of a reference pixel. The method also includes reading an image signal level of the active pixel, and concurrently, reading an image signal level of the reference pixel. A reduced noise image signal level of the active pixel is generated based on the reset levels and the image signal levels of the active and reference pixels. Other methods are disclosed as well as apparatus and systems.
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