Bias frame
id:
bias-frame-281-15570461
title:
Bias frame
text:
In digital photography, a bias frame is an image obtained from an opto-electronic image sensor, with no actual exposure time. The image so obtained only contains unwanted signal due to the electronics that elaborate the sensor data, and not unwanted signal from charge accumulation within the sensor itself. A bias frame is complementary to a dark frame, which has a charge integration time but in darkness.
Since a dark frame contains unwanted signal including a fixed-pattern noise component, some
brand slug:
wiki
category slug:
encyclopedia
description:
Digital image taken with no exposure to capture sensor noise
original url:
https://en.wikipedia.org/wiki/Bias_frame
date created:
date modified:
2023-08-02T07:15:31Z
main entity:
{"identifier":"Q3639474","url":"https://www.wikidata.org/entity/Q3639474"}
image:
fields total:
13
integrity:
14