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Raw image conversion circuit and raw image conversion method

An image conversion and circuit technology, applied in image communication, electrical components, color TV, etc.

Active Publication Date: 2021-04-23
湖北芯擎科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] This application provides a RAW image conversion circuit and a RAW image conversion method, which solves the problem that images in different RAW formats need to be converted

Method used

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  • Raw image conversion circuit and raw image conversion method
  • Raw image conversion circuit and raw image conversion method
  • Raw image conversion circuit and raw image conversion method

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Embodiment Construction

[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Apparently, the described embodiments are only some of the embodiments of this application, not all of them. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without making creative efforts belong to the scope of protection of this application.

[0027] see Figure 1 to Figure 4 , where, as figure 1 As shown, this embodiment provides a RAW image conversion circuit, which includes an input processing unit 100 , a logic conversion unit 200 and a register output unit 300 . Wherein, the input processing unit 100 is used to determine the buffer position of the initial color component of each pixel according to the distribution position of each pixel in the initial RAW frame image, and output the interpolation calculation arr...

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Abstract

The present application discloses a RAW image conversion circuit and a RAW image conversion method. According to the distribution position of each pixel in the initial RAW frame image, the buffer position of each pixel with the initial color component is determined, and the interpolation calculation of the corresponding pixel is output based on the buffer position. Array, the pixel includes at least one of the pixel to be converted and the non-converted pixel; according to the interpolation calculation array, generate the pixel to be converted with the target color component; and output the non-converted pixel with the original color component and the target color according to the cache position At least one of the to-be-converted pixels of the component; it supports stream input and stream output of the pixel stream, and there is no need for intervals between frame images, which improves conversion efficiency; and it can directly convert images that do not need to be converted For streaming output, the target RAW frame image in the corresponding RAW format can also be streamed after conversion according to the buffer position of the corresponding pixel.

Description

technical field [0001] The present application relates to the technical field of RAW image conversion, in particular to a RAW image conversion circuit and a RAW image conversion method. Background technique [0002] The images captured by digital cameras are generally not suitable for display. The unprocessed raw data format (RAW) must be processed by ISP (Image Signal Processor, image processor) and converted into RGB or YUV, etc. suitable for display. image format. The image in RAW format also contains many different image formats, for example, RGB-Ir4x4 and RGB-Ir2x2 are two different RAW formats. Due to the rapid development and change of digital camera technology and ISP processing technology, sometimes the RAW format output by the digital camera is different from the RAW format supported by the ISP. In this case, it is necessary to perform corresponding format conversion on the RAW image. Contents of the invention [0003] The present application provides a RAW im...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N9/04
CPCH04N23/84H04N23/843
Inventor 杨帆
Owner 湖北芯擎科技有限公司