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Image color adjustment method and its electronic device

A technology of color adjustment and electronic devices, applied in the direction of color signal processing circuits, etc., can solve problems such as image distortion, false contours, and images that are too bright, and achieve the effects of improving color saturation, avoiding image distortion, and facilitating output and display

Active Publication Date: 2017-04-12
ASUSTEK COMPUTER INC
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Problems solved by technology

However, if a single color component of an image is directly adjusted or enhanced in the RGB color space, the image will often be distorted, and the image may also be too bright after adjustment, resulting in false contours

Method used

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  • Image color adjustment method and its electronic device
  • Image color adjustment method and its electronic device
  • Image color adjustment method and its electronic device

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Embodiment Construction

[0014] Reference will now be made in detail to the embodiments of the invention, illustrated in the accompanying drawings. In addition, wherever possible, elements / components / symbols with the same reference numerals are used in the drawings and embodiments to represent the same or similar parts.

[0015] The image color adjustment method provided by the embodiment of the present invention is used on an electronic device with an image processing function, and is suitable for color adjustment of an image. Generally speaking, an image is composed of multiple pixels, so the image data includes multiple sets of pixel data defined in a certain color space (Color Space), and the image color method provided by the embodiment of the present invention will change the aforementioned multiple sets of pixel data The data is subjected to color space transformation (Color Space Transform), in order to use the color adjustment model in the CIELAB color space to adjust the color of the image t...

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Abstract

An image color adjusting method and an electronic device thereof are provided. The color adjusting method is applied to an electronic device equipped with an image processing function for image color adjustment. The image color adjusting method includes following steps: obtaining multiple groups of first pixel data of an image in a first color space, and performing a color space transforming process for the first pixel data to obtain multiple groups of second pixel data of the image in a CIELAB color space, wherein each of the second pixel data includes a luminance component (L*), a first color component (a*) and a second color component (b*); adjusting the first color component (a*) and the second color component (b*) of the second pixel data to obtain multiple groups of third pixel data, and performing a color space transforming process for the third pixel data to obtain multiple groups of fourth pixel data corresponding to the third pixel data in the first color space.

Description

technical field [0001] The present invention relates to an image processing method and its electronic device, and in particular to an image color adjustment method capable of enhancing color saturation and its electronic device. Background technique [0002] With the advancement of display technology, the image display function has been widely used in various types of electronic devices as a means and method of information transmission. Furthermore, the user can choose to play related images or screens on a suitable electronic device according to his location, occasion, time and other factors. For example, playing images on handheld devices such as tablets or large home appliances such as TVs. However, no matter what kind of device the image is played on, in order to allow users to obtain high-quality images and brighter colors, various image processing methods have been proposed and applied to different devices. [0003] In the pursuit of high-quality images, increasing t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N9/68H04N9/64
Inventor 李姗
Owner ASUSTEK COMPUTER INC
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