The core issue of the success of the cufflinks

 The global maximum between-class variance binarization and thread detection for texture Zhejiang University Master's degree thesis in Chapter 3, the strong that color excluded Jin to Figure 3.5 pearl cufflinks image binarization comparison Sobel outcome  the gradient map the k OSTU binarization results to remove the gradient after the edge of the diagram on the removal of the edge of the gradient map OSTU binarization results to remove the edge of the gradient map based on the LoG operator binarization results (f) performance based on the results of the LoG operator binarization is not appropriate for running on a gradient map. How to Prevent being Cheated when Buying Mens cufflinks?
 Can know from the previous analysis the binarization ineffective mainly due to the edge of pearl cufflinks. Natural idea is to the edge of the first pearl cuff links removed, then a global maximum between-class variance binarization. Especially this year, many couples prepare to by the wind of the Beijing Olympic Games host the cufflinks fair to engrave in mind. As follows: remove the edge of the pearl cufflinks? Gradient map the global OSTU binarization operation to get the edge of the pearl cufflinks. ? Binarization step to get the above result is standard on the edge points do FloodFill operation, pearl edge of a connected region in which set the background color, while the corresponding gradient image and the edge pixels set to the background color. Removal of the gradient after the edge image as shown. The core issue of the success of the cufflinks
However, the accuracy of the gradient image edge information would adversely affect the threshold selected, so in calculating the threshold, the first original image edge points clear. 3.2.4.1 Sobel operator pretreatment edge of the object is reflected by the gray-scale discontinuities. If a pixel falls on an image of an object's boundary, then the neighborhood will be referred to as a gray-scale changes in belt. Often after several rounds of negotiations with the seller, the claims of the consumer toward the cufflinks are failed to be handled.