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Color image generating method and device

A color image and generation device technology, applied in the field of digital photography, can solve the problems of false colors in color images and the decrease of resolution of shooting equipment, etc.

Inactive Publication Date: 2014-10-01
GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide a method for generating color images by performing multiple exposures and sampling the three primary colors by moving the image sensor, so as to solve the problem of false colors in the color images generated by Bayer array color interpolation and the decrease of the resolution of the shooting equipment

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  • Color image generating method and device
  • Color image generating method and device

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Embodiment 1

[0057] Figure 4 The first implementation process of the color image generation method provided by Embodiment 1 of the present invention is shown. The method is applied to smart devices with digital camera functions, such as mobile phones, tablet computers, digital cameras and the like.

[0058] In step S401, when receiving the shooting request information, the lens is controlled to perform multiple exposures, so as to obtain the monochromatic value of each pixel in the color image after each exposure.

[0059] In the embodiment of the present invention, the smart device starts the camera after receiving the shooting request information input by the user. The photographing request information can be sent by the user through a preset button on the smart device or a combination of buttons or a plurality of buttons in the existing buttons; swipe action).

[0060] After receiving the shooting request information input by the user, the smart device controls the exposure of the l...

Embodiment 2

[0066] Figure 5 It shows the second implementation flow of the color image generation method provided by Embodiment 2 of the present invention.

[0067] In step S501, upon receiving the shooting request information, the lens is controlled to perform the first exposure, so as to obtain the first monochrome value of each pixel in the color image through the image sensor.

[0068] The image sensor is a CMOS image sensor that acquires pixel color values ​​through a Bayer array. After receiving the shooting request information input by the user, the smart device controls the lens to perform the first exposure. External light is irradiated on the Bayer filter through the lens, and a photoelectric effect occurs, and corresponding charges are generated in the pixel units on the CMOS image sensor, thereby obtaining the first monochrome value of each pixel in the color image (i.e. the three primary colors red, A color value among green and blue), to obtain the first frame image. Sin...

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Abstract

The invention is suitable for the technical field of digital photographing, and provides a color image generating method and device. The color image generating method includes the steps of controlling a camera lens to conduct exposure multiple times when shooting request information is received to obtain monochrome values of pixel points in exposed color images each time; combining the monochrome values of the pixel points obtained after exposure each time to obtain RGB color values of the pixel points, and generating the color images through the RGB color values of the pixel points. The false color problem caused when the color images are output in the traditional Bayer array color interpolation mode is accordingly solved, and the resolution ratio of the obtained color images is improved.

Description

technical field [0001] The invention belongs to the technical field of digital photography, in particular to a color image generation method and device. Background technique [0002] The principle structure of digital photography is as follows: figure 1 As shown, it consists of many core components, such as CCD (or CMOS) image sensor, A / D converter, digital signal processor MPU (or DSP), image memory, LCD liquid crystal display and output interface, etc. The working mode of the digital camera is: when shooting the scene, the optical image is imaged on the CCD (or CMOS) image sensor by the lens. Optical image information is converted into an analog electrical signal by a CCD (or CMOS), and then converted into a digital signal by an A / D converter, and then stored in a memory after being processed by a digital signal processor. [0003] Existing image sensors can only sense energy, that is, only sense brightness, but not color. When the optical image is imaged on the image s...

Claims

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Application Information

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IPC IPC(8): H04N9/04H04N5/235
Inventor 唐城曾元清
Owner GUANGDONG OPPO MOBILE TELECOMM CORP LTD
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