HIGH DYNAMIC RANGE IMAGE SENSOR

This disclosure describes techniques for producing high dynamic range images by applying a variable weighting factor to a sample prior to combining the sample with another sample. In one example, a method includes sampling a first pixel cell signal at a first time to produce a first sample, sampling...

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Bibliographische Detailangaben
Hauptverfasser: ATANASSOV, KALIN M, VELARDE, RUBEN, M, HWANG, HAU
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:This disclosure describes techniques for producing high dynamic range images by applying a variable weighting factor to a sample prior to combining the sample with another sample. In one example, a method includes sampling a first pixel cell signal at a first time to produce a first sample, sampling a second pixel cell signal at a second time to produce a second sample, applying a variable weighting factor to the second sample, wherein the variable weighting factor is defined based on a function, and combining the first sample and the weighted second sample.