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Preview image processing method and terminal device

A technology for image processing and image preview, applied in the field of communication, can solve the problem that the image sampling rate and power consumption of terminal equipment cannot be taken into account

Active Publication Date: 2019-03-15
VIVO MOBILE COMM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The embodiment of the present invention provides a preview image processing method to solve the problem in the prior art that the existing ISP cannot take into account both the image sampling rate and the power consumption of the terminal device when performing 3A processing on the preview image

Method used

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  • Preview image processing method and terminal device
  • Preview image processing method and terminal device
  • Preview image processing method and terminal device

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Embodiment Construction

[0016] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but 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 creative efforts fall within the protection scope of the present invention.

[0017] refer to figure 1 , which shows one of the flowcharts of the preview image processing method provided by the embodiment of the present invention.

[0018] The preview image processing method in the embodiment of the present invention includes the following steps:

[0019] Step 101: Create a first thread and a second thread when the camera system of the terminal device has been initialized.

[0020] The preview image processing method in the ...

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Abstract

An embodiment of the invention discloses a preview image processing method and a terminal device. The method is applied to the terminal device, and comprises the following steps: creating a first thread and a second thread in a state where a camera system of the terminal device is initialized; controlling the first thread to perform image processing on each frame of image collected by the camera according to a first sampling rate; controlling the second thread to perform image processing on each N frames of image collected by the camera according to a second sampling rate, and generating a calibration curve of the image processing result; when the current frame of preview image is the image of Nth integer multiple adding one frame, correcting the image processing result obtained by the first thread based on the calibration curve of the image processing result, and outputting the target image. With the preview image processing method provided by the invention, the image sampling rate and the power consumption of the terminal device can be balanced while optimizing the image effect when processing the preview image.

Description

technical field [0001] Embodiments of the present invention relate to the field of communication technologies, and in particular, to a preview image processing method and a terminal device. Background technique [0002] With the continuous upgrade of the camera configuration of the terminal equipment, the ISP (Image Signal Processor, image processor) technology is becoming more and more mature, and the photo effect obtained after 3A processing through the ISP is getting better and better. As a result, users have higher and higher requirements for the shooting effect of terminal equipment. [0003] When the ISP of the mobile terminal performs 3A processing on the preview image, the larger the amount of statistical sampling data for each frame of the preview image, that is, the larger the sampling rate, the more accurate the processing result will be, and the better and closer the display effect of the preview image of the camera will be. reality. However, the higher the sam...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/232H04N9/64H04N9/73
CPCH04N9/646H04N9/73H04N23/67H04N23/80
Inventor 卢枝
Owner VIVO MOBILE COMM CO LTD
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