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Multi-window exposure control method

An exposure control and multi-window technology, which is applied to TVs, color TV parts, TV system parts, etc., can solve the problems that exposure control methods cannot be realized, and multi-window exposure requirements cannot be realized.

Active Publication Date: 2020-10-23
BEIJING SUPERPIX MICRO TECHNOLOGY CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The pixel (pixel) array of the image sensor is a rectangular array, and the traditional row exposure method is continuous row address, which cannot meet the requirement of discontinuous multi-window exposure
For example, when it is necessary to cut out the small holes in the shadow part according to a certain rule from the vertical and horizontal directions of the full-scale array and flip the image of each window, the traditional exposure control method cannot be realized.

Method used

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Embodiment Construction

[0015] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0016] An embodiment of the present invention provides a multi-window exposure control method, such as figure 1 As shown, it mainly includes the following steps:

[0017] Step 1. When needed from figure 2 The row and column directions of the array shown are cut out the small holes in the shaded part according to a certain rule, and a small hole is used as a window, and when the image of each window is flipped.

[0018] Step 2. Calculate the numb...

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Abstract

The invention discloses a multi-window exposure control method, which includes: when it is necessary to cut out the small holes in the shadow part from the row and column direction of the array according to a certain rule, and use a small hole as a window, and flip the image of each window ; Calculate the number of rows and columns for effective exposure, and then use the method of address mapping to calculate the actual address corresponding to the read address and reset address of the rows and columns for effective exposure, so as to realize exposure and flip control. This method can achieve discontinuous multi-windows through exposure control, and can flip each window.

Description

technical field [0001] The invention relates to the technical fields of CMOS image sensor imaging and the like, in particular to a multi-window exposure control method. Background technique [0002] In the image acquisition system, the core technology is real-time image acquisition and processing. Image acquisition is the basis of image processing and image recognition. The image acquisition speed directly affects the overall performance of the system, and the diversification of pattern acquisition systems has attracted more and more attention. [0003] The pixel (pixel) array of the image sensor is a rectangular array, and the traditional row exposure method is continuous row addresses, which cannot meet the requirement of discontinuous multi-window exposure. For example, when it is necessary to cut out the small holes in the shadow part according to a certain rule from the vertical and horizontal directions of the full-scale array and flip the image of each window, the tr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/235
CPCH04N23/70
Inventor 王凯程杰刘志碧陈杰
Owner BEIJING SUPERPIX MICRO TECHNOLOGY CO LTD