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Image sensor, imaging device, electronic apparatus, image processing system, and signal processing method

An image sensor and electrical signal technology, applied in the field of imaging, can solve problems such as low accuracy and inaccurate color reproduction, and achieve the effect of accurate interpolation, good color reproduction effect, and high consistency

Active Publication Date: 2020-06-02
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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Problems solved by technology

However, the accuracy of the values ​​of the remaining color channels of the pixel calculated by the existing interpolation algorithm is not high, resulting in inaccurate color reproduction

Method used

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  • Image sensor, imaging device, electronic apparatus, image processing system, and signal processing method
  • Image sensor, imaging device, electronic apparatus, image processing system, and signal processing method
  • Image sensor, imaging device, electronic apparatus, image processing system, and signal processing method

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Embodiment Construction

[0021] Embodiments of the present application are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, are only for explaining the embodiments of the present application, and cannot be construed as limiting the embodiments of the present application.

[0022] see Figure 8 and Figure 14 , the present application provides an image sensor. The image sensor is used to generate and process the texture image signal to obtain the target texture direction. Wherein, the plurality of texel signals in the texture image signal all have the value of the first color channel. The target texture direction is used to indicate the interpolation direction of the pixel signal in the intermediate image signal output from the image sensor to the...

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Abstract

The invention discloses an image sensor, an imaging device, electronic equipment, an image processing system and a signal processing method. The image sensor is configured to: generate a texture imagesignal, wherein a plurality of texture pixel signals in the texture image signal each have a value of a first color channel; and process the texture image signal to obtain a target texture directionfor indicating an interpolation direction of a pixel signal in an intermediate image signal output to the processor by the image sensor. According to the image sensor, the imaging device, the electronic equipment, the image processing system and the signal processing method provided by the embodiment of the invention, the pixel signal in the intermediate image signal is interpolated based on the interpolation direction indicated by the target texture direction; the interpolation of the pixel signal in the intermediate image signal is more accurate, the color restoration effect of the finally obtained color image is better, and the consistency of the texture in the color image and the texture of the shooting scene is higher.

Description

[0001] priority information [0002] This application claims the priority and benefit of the patent application number PCT / CN2019 / 077338 filed with the State Intellectual Property Office of China on March 7, 2019, which is hereby incorporated by reference in its entirety. technical field [0003] This application relates to the field of image technology, and in particular to an image sensor, imaging device, electronic equipment, image processing system and signal processing method. Background technique [0004] In order to realize the collection of color images, an optical filter array arranged in the form of a Bayer (Bayer) array is usually arranged in the image sensor, so that multiple pixels in the image sensor can receive light passing through the corresponding optical filter, thereby Generate pixel signals with different color channels. Among them, each pixel can only output the pixel signal of the value of one color channel, and the pixel signals of the value of the o...

Claims

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Application Information

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IPC IPC(8): H04N5/225H04N9/04
CPCH04N23/54H04N23/57H04N23/55H04N25/00H04N25/70H04N25/46H04N23/843H04N25/134H04N23/12H04N25/60
Inventor 沼田肇
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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