Analytical method and device of noisy degree of image
An annoyance and image technology, applied in the field of image annoyance analysis methods and devices, can solve problems such as inability to establish a fixed correlation relationship between image annoyance
Active Publication Date: 2011-08-17
GUANGDONG VIMICRO
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To correlate image annoyance with other features, it is necessary to quantify the annoyance of an image. The image noise judged by human senses alone cannot be quantified. Therefore, it is impossible to establish the relationship between image annoyance and other features. fixed relationship
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[0073] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0074] refer to figure 1 , showing a flowchart of an embodiment of an image annoyance analysis method of the present invention, including:
[0075] Step 101, converting the original image into a brightness image and a color image;
[0076] Each pixel in a color image contains the values of the three primary colors of red, green, and blue (R, G, B). It can be understood that a color image is composed of three two-dimensional matrices, and the processing is more complicated. Usually, color image processing is divided into three primary colors for processing separately, but for the analysis of annoyance, it is not feasible to process the three primary colors separately, because the relationship between colors is also a main manife...
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The invention provides an analytical method and device of the noisy degree of an image. The analytical method comprises the following steps of: converting an original image into a brightness image and a color image; dividing the brightness image into blocks according the brightness relationship among pixel points, and dividing the color image into blocks according the color relationship among the pixel points; acquiring the block-level brightness noisy degree of the brightness image according to the brightness relationship, and acquiring the block-level color noisy degree of the color image according to the color relationship; acquiring the pixel-level brightness noisy degree of each block of the brightness image according to the brightness relationship; and generating the noisy degree of the integral image by integrating the block-level brightness noisy degree, the block-level color noisy degree and the pixel-level brightness noisy degree. The invention provides an analytical mode of the noisy degree of the image. The noisy degree of the image can be quantificationally obtained.
Description
technical field [0001] The invention relates to the technical field of image processing, in particular to an image annoyance analysis method and device. Background technique [0002] The degree of image noise refers to the degree of chaos of the image, which is a problem at the level of image understanding. It is a sensory understanding of images, and everyone's perception may be different. There are still relatively few studies in this area. Through the annoyance evaluation of images, many related applications can be carried out, such as applications related to human-computer interaction, which can establish the association between images and moods; or applications in image browsing, which can be sorted and managed according to annoyance; or make images and audio Correspondingly, by analyzing the noisy degree of the audio, the association between the image and the audio can be established; music can also be edited according to the noisy degree of the image, and the music ...
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Inventor 王俊艳黄英高飞
Owner GUANGDONG VIMICRO