White degree determination method, electronic equipment and readable storage medium
A method of determining the whiteness degree, which is applied in the field of image processing, can solve problems such as the inability to obtain the fairness degree, affecting the determination of the degree of whiteness, and affecting the accuracy of the degree of whiteness.
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Embodiment 1
[0021] like figure 1 As shown, the present embodiment one provides a method for determining fairness, and the method includes the following steps:
[0022] S101. Obtain the original image of the target user;
[0023] Specifically, the original image refers to the polarized light map of the user's frontal face, and those skilled in the art may adopt a method of obtaining the polarized light map according to actual needs, which will not be repeated here.
[0024] S103. Preprocessing the original image to obtain a target image;
[0025] Specifically, before the step S103, the following steps are also included:
[0026] Obtain the detection area H=(H1, H2, H3, ..., Hp) corresponding to the original image, Hq refers to the qth detection area, q=1...p, p is the number of detection areas;
[0027] Feature extraction is carried out according to the image information corresponding to Hq, and the feature vectors (Hq1, Hq2, Hq3, ..., Hqz) corresponding to Hq are obtained to determine ...
Embodiment 2
[0079] The difference between the second embodiment and the first embodiment is that step S103 further includes the following step: performing grayscale processing on the original image to obtain the target image.
[0080] Specifically, step S105 also includes the following steps:
[0081] Establishing an image coordinate system corresponding to the target image, wherein the coordinate origin of the image coordinate system is the center point of the target image, the X-axis direction of the image coordinate system is the width direction of the target image, and the The Y-axis direction of the image coordinate system is the length direction of the target image;
[0082] According to the image coordinate system, obtain the diagonal coordinate value of each target area and the pixel point list S=(S1, S2, S3, ..., Sn) corresponding to the target image, Sj is the pixel point Coordinate value, n is the number of pixels;
[0083] Obtaining coordinate values of all pixel points in...
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