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Image colour difference compensating method

A compensation method and image technology, applied in the field of image processing, can solve problems such as image dispersion

Inactive Publication Date: 2005-05-04
LITE ON TECH CORP
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Problems solved by technology

[0005] In view of the aforementioned problems, the present invention proposes a method for compensating image chromatic aberration, which mainly solves the phenomenon of "image dispersion" through the aid of computer software, and then solves the problem of "image chromatic aberration compensation"

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Embodiment Construction

[0033] The present invention is a method for compensating image chromatic aberration, which mainly improves the image dispersion phenomenon generated by the image capture device 100 when capturing images, and then achieves a method for compensating image chromatic aberration. The image capture device described here 100 refers to a scanner, a digital camera, or other optical devices that can capture images through lenses and photosensitive components.

[0034] Figure 1A is a schematic diagram of an existing image capture device 100 . It includes the basic components of the general image capture device 100, such as: lens 101, photosensitive component 102, analog / digital conversion component 103, image processing component 104, storage element 105 and others . . . After the external image (such as: the correction sheet 10 ) is captured by the lens 101, it is converted into a corresponding analog signal by the photosensitive component 102, and then the analog signal is converted ...

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Abstract

The invention is a video color difference compensating method, a method able to compensate the video color difference by regulating and correcting the dispersion distance of each channel in the video obtained by a video picker, including the following steps: picking a reference point video; getting the dispersion distances of a preset channel in the video apart from two reference points; calculating a dispersion correcting proportion; and storing the proportion. At present, it can use computer software to improve the 'video dispersion' of each channel in the picked video, thus able to further achieve the effect of compensating the 'video color difference'.

Description

technical field [0001] The present invention relates to an image processing method, in particular to a method for compensating the chromatic aberration of the image by adjusting and correcting the dispersion phenomenon in the captured image. Background technique [0002] Image capture devices often face the problem of "image dispersion" when capturing images. The reason why chromatic dispersion occurs in captured images is mainly because the three primary color channels (i.e. R, G, B channels) in the image originally have different wavelengths and refractive indices, so that the lens of the image capture device is in the process of capturing After receiving the image, the phenomenon of "image dispersion" will inevitably occur after the processing of the photosensitive component. When the phenomenon of "image dispersion" is too serious, it will cause the problem of "image color difference" in the final output image, and "image dispersion" must be carried out. Chromatic Aberr...

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Application Information

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IPC IPC(8): G03B7/091G03B7/099G06F9/00
Inventor 张荣乔周明德简信堂
Owner LITE ON TECH CORP
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