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Image processing method and device

An image processing and image technology, applied in the field of intelligent transportation, can solve problems such as high computational complexity and difficulty in ensuring the accuracy of white reference pixels

Pending Publication Date: 2018-06-26
ZHEJIANG UNIVIEW TECH CO LTD
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  • Abstract
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  • Claims
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Problems solved by technology

[0004] However, the calculation complexity of the existing technology is high, especially in the case of various colors in the image, the accuracy of the determined white reference pixel is difficult to guarantee

Method used

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  • Image processing method and device
  • Image processing method and device

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Embodiment Construction

[0064] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0065] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term...

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Abstract

The present application provides an image processing method and device. The method comprises the following steps that: at least one target vehicle image is determined, wherein the target vehicle images contain license plates, the true colors of the license plates contain white; white reference pixels are obtained from the license plate areas on the at least one target vehicle image; white balancegain is acquired according to the white reference pixels; and white balance correction is performed on the at least one target vehicle image through using the white balance gain. With the method adopted, white reference points in images can be determined accurately and efficiently; color adjustment is performed on the images based on the white reference points; and therefore, the colors of the images are more accurate.

Description

technical field [0001] The present application relates to the technical field of intelligent transportation, in particular to an image processing method and device. Background technique [0002] With the development of intelligent transportation system technology, intelligent transportation system has been more and more widely used. In the intelligent transportation system, the automatic white balance (Auto White Balance) is an important concept, the pros and cons of the automatic white balance algorithm will determine the quality of the video and image collected in the intelligent transportation system, especially for the vehicle color based In terms of business, the automatic white balance algorithm is particularly important. [0003] In the prior art, the collected image is first converted from RGB space to YUV space, and then the image is divided into blocks, and the mean and variance of Cb\Cr in each block area are counted, and then determined in each block area Final...

Claims

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Application Information

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IPC IPC(8): G06K9/32G06K9/34G06K9/46
CPCG06V20/62G06V30/153G06V10/56G06V20/625
Inventor 谢钱昆陈航锋罗维王芬芬张武丽
Owner ZHEJIANG UNIVIEW TECH CO LTD
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