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- "hidden dangers are more dangerous than open fire, prevention is better than disaster relief, and the responsibility is heavier than Mount Tai" preface This paper introduces the security test process of sending SMS verification code interface in detail, including ideas, some test codes and test results. This test website ...

1, Introduction Gabor+SVM: Gabor program is used to extract the features of human face, and then SVM is used for classification; 1 Gabor Gabor feature extraction algorithm can describe local face features in different directions, and has strong robustness to illumination, occlusion and expression transformation, that is, Gabor algorithm has st ...

Q: use the track bar to create a Paint application with adjustable color and brush radius? A mouse callback function Creating a mouse callback function has a specific format, which is the same everywhere. It is only different in function. Therefore, in the following code, our mouse callback function can do one thing - draw a circle where we ...

·For related learning of CornerNet, please refer to my other articles~ This article is more detailed. Zero basic Xiaobai can also run out of the program through this article. The author is just getting started. If there are deficiencies, please point out more! 1, Foreword 1. Relevant references The key to this tutorial is to re ...

MNIST dataset MNIST dataset is already a "chewed" dataset. Many tutorials will "start" on it and almost become a "model" However, some people may not know it very well. Let's introduce it MNIST datasets are available in http://yann.lecun.com/exdb/mnist/ Get, which consists of four parts: Training set images: ...

Image graying What is image graying? Image graying is not to turn a simple image into gray, but to integrate the BGR channels of the image with a certain law to make the image display bit gray. The rules are as follows: Manual graying First, we use manual graying: The idea is: First create a blank picture with the same length and width as ...

** preface ** Recently, I participated in the Dachuang project. The topic involves computer vision. My sister sent a blog link to correct the image, so I plan to use this topic to get started with OpenCV. Analyze problems The PPT area in the photo is always inclined along the X, y and Z axes (as shown in the figure below). To flip the photo ...

preface hello everyone! I'm classmate pear! I hope you can support me! ha-ha To thank everyone who cares about me: 💓 The project source code of each article is shared free of charge 💓👇👇👇👇 Click here for the blue font. What source code do you need? Remember to say the title and name! I can also write private letters! Xiaobian h ...

Record the problem-solving process of officially participating in the online algorithm competition for the first time. Although I missed the time of B list, I gained a lot! Project introduction Contest link: Track 3 of Guangdong power grid smart field operation challenge: identification of high-altitude operation and wearing of safety bel ...

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