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Method for establishing skin color model

A technology of skin color model and establishment method, applied in character and pattern recognition, instruments, computer parts, etc., can solve problems such as large memory space, large data, unfavorable real-time processing, etc.

Inactive Publication Date: 2010-07-14
ALTEK CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This approach, in addition to requiring a large amount of memory space, also requires additional processing operations
[0005] In practice, high-complexity models require a considerable amount of calculation, which is not conducive to real-time processing.
If you want to reduce the amount of calculation, you must expand the model data and store it in the storage device, and the expanded data is quite large, and the required storage space is also amazing

Method used

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  • Method for establishing skin color model
  • Method for establishing skin color model
  • Method for establishing skin color model

Examples

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Embodiment Construction

[0020] The method disclosed in the present invention can be applied to electronic devices with image processing capabilities, such as personal computers, digital cameras, digital photo frames and other electronic devices. However, it should be noted that the present invention is not limited to the above-mentioned examples, and will be described here first.

[0021] Please also refer to figure 1 and figure 2 As shown, they are schematic diagrams of the architecture and operation flow of the present invention. Include the following steps in the present invention:

[0022] Step 210: Perform the face detection program 120 on the input image 110, and use the selection window to circle the face area in the input image 110;

[0023] Step 220: Build a skin color model 130 according to the color information in the selected window; and

[0024] Step 230 : Perform the skin color detection procedure 140 , which is used to detect other pixels with skin color in the input image 110 acc...

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Abstract

The invention relates to a method for establishing a skin color model. The method comprises the following steps: carrying out a human face detection program on an inputted image, and circling the human face area of the inputted image by utilizing a selection window; and applying color information in the selection window to a Gaussian probability distribution function to establish the skin color model. when the skin color model established by the steps is applied to skin detection, pixels with skin color in the input image can be detected through the skin color model and the Mahalanobis distance calculation program.

Description

technical field [0001] The invention relates to a method for establishing a color model of a digital image, in particular to a method for establishing a skin color model of a digital image. Background technique [0002] At present, for skin color detection, a large number of images are collected in advance. After collecting the skin colors of various races, a skin color model is established using a Mixture of Gaussian probability distribution function (PDF). Then use this model to detect skin color pixels in the image. [0003] Use the skin color model established in the above method for detection, because additional color space conversion or nonlinear conversion is required to make the calculation cost higher and more complicated, and the overlapping area of ​​skin color and non-skin color is also quite large, so it is Misjudgments are prone to occur. These misjudged parts are often not conducive to subsequent image processing. [0004] In order to solve the above-mentio...

Claims

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Application Information

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IPC IPC(8): G06K9/00
Inventor 詹振宏周宏隆
Owner ALTEK CORP