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Introduction to contour discovery Definition of profile An outline represents a series of points (pixels), which form an ordered point set, so an outline can be understood as an ordered point set. Contour discovery definition Contour discovery is a method to find object contour based on image edge extraction. Therefore, the threshold se ...

reference resources: Use Opencv and Python to build your own object detection software. According to the content in the reference video, you can build it by yourself. However, because the video is in English and the subtitles turned out by the machine are not accurate, the steps and code notes are made into notes, and the complete projec ...

Relevant introduction OpenCV is based on Apache 2 Cross platform for 0 licensed (open source) distribution computer vision and machine learning Software library, which can run in Linux,Windows,Android and Mac OS On the operating system. It is lightweight and efficient - it is composed of a series of C functions and a small number of C + + cla ...

Morphological operation 1. Connectivity In the image, the smallest unit is the pixel. There are 8 adjacent pixels around each pixel. There are three common adjacent relationships: 4 adjacent, 8 adjacent and D adjacent. As shown in the figure below: 4 adjacency: the 4 neighborhood of pixel p(x,y) is: (x+1,y); (x-1,y)； (x,y+1)； (x,y-1) D ad ...

Station B tutorial address https://www.bilibili.com/video/BV18b4y1J7a6/ introduce Mobilenet is a network series created by Google. It has been released to V3. Each version update is an optimization modification on the previous network. Mobilenet focuses on lightweight networks, which means less network parameters, faster execution speed and ...

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 ...

[GiantPandaCV introduction] by introducing the variability ability of Deformable CNN on the basis of Transformer, we can reduce the amount of model parameters and improve the ability to obtain large receptive fields. Code interpretation is attached. introduction Transformer has stronger model representation ability because of its larger recepti ...

Nvidia Deepstream ultimate details: 3 Deepstream Python RTSP video output display This chapter will detail the official case: deepstream_test_1_rtsp_out.py for interpretation. deepstream_ test_ 1_ rtsp_ out. The main function of Py is to input RTSP format video stream. When we successfully run the Python file, we won't see the video on the scr ...

This blog will introduce three color spaces (RGB, HSV, Lab) in OpenCV and their conversion, and discuss the key role of lighting conditions and color space in computer vision applications. The key point is to always consider lighting conditions before writing code! In general, it is easier to control lighting conditions than to write code ...