Python-opencv records MP4 video encoded in H264
Due to the recent project requirements related to computer vision, it is necessary to realize the function of recording video in Python and playing back...
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Tag: opencv
Filtering with OpenCV for iOS (3)
December 8, 2023
by Tracy Crosby MD
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Smooth/Blur is the simplest and most common operation in image processing, which can reduce the noise during image preprocessing. Convolution process: above 6x6 is a...
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Replace the image background with OpenCV
December 8, 2023
by 金雅芳
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In one of our businesses, we need to take group photos of mobile phones "automatically" by self-developed intelligent hardware. Sometimes, the background color of these...
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Android OpenCV (45) : Image repair
December 8, 2023
by Clive Elliott
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Image restoration in practice, images are often vulnerable to damage, such as stained lenses, scratches from old photographs, artificial painting (such as Mosaic), or damage...
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Python3-opencv implements image processing — reads video files
December 7, 2023
by Mr. Ashley Tomlinson
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OpenCV is a C++ library, currently popular computer vision programming library, used for real-time processing of computer vision problems, it covers a lot of modules...
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OpenCVSharp get image pixels and data conversion
December 7, 2023
by Patricia Meyer
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OpenCVSharp get image pixels and data conversion. Obtain image pixels, Get/Set (slow), GenericIndexer (fast), TypeSpecif
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OpenCV (11) — Geometry inversion
December 7, 2023
by Barry Harris
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After the introduction, we have mastered the basic zooming function. This post will take you through another geometry transformation in OpenCV, namely, flipping. Flip In...
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Android OpenCV (47) : decolorization
December 7, 2023
by Rania Saraf
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Decolorization decolorization is the process of converting color image to grayscale image. It is also an essential tool for digital printing, stylized black-and-white photo rendering,...
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Initial processing of OpenCV-Python images
December 7, 2023
by Susan Baxter
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In this section, we will learn how to load, display, and save images using the OpenCV library in Python. All images are a numpy.ndarray operation
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Image Fusion using OpenCV for iOS (2)
December 6, 2023
by Hazel Thakur
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In this paper, we introduce the linear mixing operation g(x)=(1−α)f0(x) + αf1(x) of OpenCV image fusion theory, where α is in the range of 0~1,...
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Python (OpencV face detection)
December 6, 2023
by Mark Banks
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Face detection to do face recognition, first of all to detect the face in the picture/video, here mainly use the characteristic data HAAR and LBP,...
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Android OpenCV (49) : Image integration graph
December 6, 2023
by Madeleine Burton
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Image Integration Image integration was first proposed by Crow in 1984 to improve rendering speed in multi-scale perspective projections and is a fast algorithm for...
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Python OpenCV image pyramid, Gauss pyramid and Laplace pyramid
December 6, 2023
by Zachary Taylor
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This article has participated in the call for good writing activities, click to view: back end, big front end double track submission, 20,000 yuan prize...
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Android OpenCV (56) : ORB feature point violence matching
December 6, 2023
by Mrs. Amy Ford
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Feature point matching feature point refers to the pixel points with significant features in the image. Different feature point detection algorithms are used to obtain...
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OpenCV often uses drawing functions
December 6, 2023
by Mary Baker
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Windows 10 64bit OpencV 4.5.2 Test picture Prepare a test picture Draw a line draw a rectangle draw a circle if will be the last
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Learning Python (OpencV Blur)
December 6, 2023
by Kelly Vincent
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Today I'm going to learn a little bit about fuzzy. send it out to record. Fuzzy mean fuzzy median fuzzy custom fuzzy for image enhancement,...
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Python (OpencV edge Retention Filter EPF)
December 6, 2023
by Robert Olson
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The greater the difference between the two sides of the Gaussian, the more complete the edge retention filtering operation will be. If the Gaussian blur,...
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OpenCV (10) — Scaling geometry transformations
December 6, 2023
by 楊俊宏
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For the conversion of color space, we will introduce you through HSV actual combat. As for the conversion and application of other color Spaces, I...
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