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Working mode switching device and working mode switching detection method

A working mode and detection method technology, which is applied in the direction of comparing with the reference electrical parameters, TV, color TV parts, etc., can solve the problems of AWB color cast, unstable camera quality, inaccurate bit rate control, etc.

Active Publication Date: 2022-07-22
AMBIT MICROSYSTEMS (SHANGHAI) LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At present, the switching of the infrared cut filter is usually controlled by the photoresistor. However, under long-term operation, the sensitivity of the photoresistor will gradually decrease, which will affect the accuracy of the infrared cut filter switch, resulting in brightness errors, AWB Various problems such as color cast and inaccurate bit rate control make the video quality unstable

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  • Working mode switching device and working mode switching detection method
  • Working mode switching device and working mode switching detection method

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Embodiment Construction

[0017] Further scope of applicability to the systems and methods of the present invention will become apparent from the detailed description provided hereinafter. It must be understood that the following detailed description and specific embodiments are only for the purpose of description and are not intended to limit the scope of the present invention when the exemplary embodiments related to the working mode switching device and the working mode switching detection method are presented.

[0018] figure 1 It is a block diagram of a working mode switching device according to an embodiment of the present invention. In some embodiments of the present invention, the working mode switching device 100 is disposed in the camera, and at least includes a sensing module 110 , a processing module 120 and a control module 130 . The sensing module 110 at least includes an illuminance sensor, a photoelectric sensor, etc., and is used for sensing and storing the illuminance E, the luminous...

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Abstract

A working mode switching detection method, which is suitable for a camera, wherein the steps include: measuring illuminance, brightness and red gain every predetermined time; switching the working mode of the camera according to the illuminance; Calculate the brightness difference and the red gain difference from the brightness and the red gain obtained before and after the working mode; and determine whether to switch the operation again according to the brightness difference and the red gain difference model.

Description

technical field [0001] The present invention relates to a working mode switching device and a working mode switching detection method, in particular, to a working mode switching device and working mode switching device for detecting whether a switching error occurs according to a difference in brightness and a red gain difference after the working mode is switched Detection method. Background technique [0002] With the increasingly widespread application of consumer cameras, users have higher and higher requirements for camera quality. At present, the switching of the infrared cut filter is usually controlled by a photoresistor. However, under long-term operation, the sensitivity of the photoresistor is bound to gradually decrease, which will affect the switching accuracy of the infrared cut filter, resulting in brightness errors, AWB Various problems such as color cast and inaccurate bit rate control make the camera quality unstable. Therefore, how to reduce the probabil...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/232G01J1/10G01J1/16
CPCG01J1/10G01J1/16H04N23/667
Inventor 李贵盼
Owner AMBIT MICROSYSTEMS (SHANGHAI) LTD