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Digital image classifying method and apparatus

A digital image and classification method technology, applied in image communication, electrical digital data processing, special data processing applications, etc., can solve problems such as inaccurate classification methods, application limitations, search errors, etc., to improve time-consuming and labor-intensive problems Effect

Inactive Publication Date: 2009-02-04
QUANTA COMPUTER INC
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Problems solved by technology

However, when general users name image files, their file names may not be directly related to their image content
Therefore, when ordinary users use this image search function, search errors still often occur. It can be seen that this classification method is not accurate enough
In practical applications, although this classification method can improve the accuracy of its search by extracting some characteristic values ​​(such as color) of the image, its application is limited to the personal computer and server, and it is still not possible to truly Achieve the effect of automatic classification of digital images

Method used

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  • Digital image classifying method and apparatus
  • Digital image classifying method and apparatus

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Embodiment Construction

[0023] The first specific embodiment according to the present invention is a digital image classification method. Please refer to figure 1 , figure 1 A flowchart of the digital image classification method is shown. Such as figure 1 As shown, firstly, the method executes step S11, performing a discrete cosine transform (DCT) on a candidate region of a digital image to generate a set of DCT coefficients. Next, the method executes step S12, generating a set of texture parameters according to the set of discrete cosine transform coefficients. Afterwards, the method executes step S13 to generate a classification result of the digital image according to the set of texture parameters.

[0024] In practical applications, multiple preset classification results may be provided in advance, wherein each preset classification result may correspond to a set of preset texture parameters. The classification result described in step S13 may be generated after comparing the set of texture ...

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Abstract

The invention provides a digital image classification method. Firstly, the method executes a discrete cosine transform aiming at a candidate region of a digital image for producing a group of discrete cosine transform coefficients. Then, the method produces a group of texture parameters according to the group of discrete cosine transform coefficients. Finally, the method produces a classification result of the digital image according to the group of texture parameters.

Description

technical field [0001] The present invention relates to image classification, and in particular to a digital image classification method and a classification device. Background technique [0002] In recent years, due to the continuous innovation and advancement of image technology, the digital image market has also flourished. Most of the photos nowadays have been taken digitally (for example, with a digital camera) and stored in a digital format (for example, stored in a memory card, CD or hard disk). [0003] Generally speaking, after taking a large number of digital images, users will store these digital images in a memory card, transfer them to the hard disk of a personal computer, or burn them into photo CDs. Over time, the number and types of digital images stored in various forms of storage devices are bound to increase. At this point, if not properly managed and categorized, these digital images will appear quite messy and disorderly. Especially when the user is l...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N1/41H04N1/60G06F17/30
Inventor 江家颉廖伯璇林政纬
Owner QUANTA COMPUTER INC
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