Video scene cutter based on OpenCV
Windows 10 64-bit Anaconda with Python 3.7 PySceneDetect 0.5.5 Introduction One video scene is converted to another
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Tag: opencv
【 PYTHon3-OpencV 】 Image processing – basic operations
December 15, 2023
by Dr. Andrew Palmer
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OpenCV is a C++ library, which is used to process computer vision problems in real time. It covers many modules in the field of computer...
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Compile OpenCV4 on MAC and import CLion development tests
December 15, 2023
by 蘇佳玲
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OpenCV is a classic computer vision library, which supports multi-language, cross-platform, powerful and open source free. So how to build OpenCV development environment? This article...
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OpenCV (8) – Simple application of color space conversion and HSV
December 15, 2023
by Stephen Smith
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After the introduction of the previous theoretical knowledge, we have mastered a variety of color space types. This blog post describes how to convert color...
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OpenCV (2) – Image weighting and ghosting
December 15, 2023
by Alisha Srivastava
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The weighted sum of the two images is calculated using the following formula: DST =saturate(src1a+ srC2b +y) cv2.ad provided in OpenCV
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Feature extraction ③ — HoughLinesP line search, line extraction
December 15, 2023
by Jessica Cameron
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Feature extraction ③ -- HoughLinesP line search, line extraction. 1. The foregoing; 2. Algorithm flow; 3. Interface layout; Iv. Functional realization; 4.1 Open pictures; 4.2...
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Feature extraction is Maximally Stable Extremal Regions
December 15, 2023
by Elizabeth Ford
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Feature extraction is Maximally Stable Extremal Regions. 1. The foregoing; 2. Feature extraction process; 3. Interface layout; 4. Function realization 4.
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Image segmentation 2020 latest developments
December 15, 2023
by Jeanette Holden
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In this article we will discuss the following topics: What is the architecture of image segmentation? The loss function used in image segmentation. Let's take...
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Android OpenCV (37) : Outline enclosing polygons
December 13, 2023
by Pam Clark
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API maximum external rectangle parameter 1: array, input grayscale image or two-dimensional point collection. Minimum enclosing rectangle parameter 1: points, a two-dimensional set of input...
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Android OpenCV (fifty-two) : Harris corner detection
December 13, 2023
by James Klein
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What is a corner point? A corner is an extreme point, that is, a point with a particular attribute. Of course, you can define your...
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OpenCV (18) — Corrosion and expansion
December 13, 2023
by Scott Hernandez
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Before we can understand corrosion, we need to understand one concept: morphology. Morphology, also known as Mathematical Morphology, is a very important research direction in...
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OpenCV finds contours
December 13, 2023
by Anvi Sahota
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In this article, we will introduce how OpenCV can find contour and get bounding box with example code. OpenCV provides the findContours function to findContours,...
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Android OpenCV (45) : Image repair
December 13, 2023
by Dr. Sam Smith
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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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Canny edge extraction related knowledge learning, image processing 32nd blog
December 12, 2023
by 程詩涵
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The goal of Canny edge extraction is to find an optimal edge detection algorithm. As can be seen from here, the goal is still edge...
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Play wechat with Python, robot chat with you
December 12, 2023
by Joshua Robinson
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It takes about 5 minutes to read the text. Today brings you a very interesting Python program, based on itchat to achieve wechat control computer....
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OpenCV On Android Best Environment Configuration Guide
December 12, 2023
by Annette Holland
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This tutorial introduces you to the steps of configuring OpenCV in Eclipse. Although Eclipse is a bit out of date in Android development, there are...
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Android OpenCV (55) : ORB feature point detection
December 12, 2023
by Jivika Randhawa
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Concept feature point Feature point and corner point are both points with local feature in the image, but feature point has a unique descriptor to...
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OpenCV topic 1 – AndroidStudio’s JNI project and references OpenCV
December 11, 2023
by Anvi Chandra
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OpenCVOpenCV features 2- Face detection + automatic sizing 1, create project 1
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Tensorflow and Pytorch channel dimensions
December 11, 2023
by Ashley Lopez
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Caffe's channel order is NCHW; The channel sequence of Tensorflow is NHWC by default (but can be set to NCHW). NHWC has better access locality...
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Python3-opencv sets the camera resolution
December 11, 2023
by Katie Grant
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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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OpenCV (12) — Affine of geometric transformations
December 11, 2023
by Renee Rose
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In OpenCV, affine transformation refers to the image through a series of geometric transformation to achieve translation, rotation and other operations. The transformation can keep...
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20 lines of Python code for face recognition
December 11, 2023
by Mrs. Amy Ford
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OpenCV, the most popular computer vision library, originally developed in C and C++, now supports Python as well. It uses machine learning algorithms to search...
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Android OpenCV (50) : image flipping
December 11, 2023
by Dhanuk Guha
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Image flipping Image flipping operation is to flip the image two-dimensional array along the horizontal axis, vertical axis or two axes. $$ \texttt{dst} _{ij} =...
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OpenCV On Android Best Environment Configuration Guide
December 10, 2023
by Antonio Robertson PhD
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This article is the second in a series of tutorials for developers using Android Studio. By the end of this chapter, you're basically ready to...
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OpenCVSharp get media streams from local video files
December 10, 2023
by John Gibb
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OpenCVSharp get media streams from local video files. 2.1 Open the video file...
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OpenCV entry to advanced: combat three typical projects
December 10, 2023
by Charles Ellis
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OpenCV entry to advance: combat three typical projects vehicle detection/face recognition + image Mosaic + text recognition, automatic driving, object detection... Want to
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Mac build OpenCV
December 10, 2023
by Ben Dale
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This section describes how to compile OpenCV on a Mac for subsequent viewing. Use HomeBrew install cmake to obtain OpenCV Source website address: https://opencv.org/releases/, select...
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Android OpenCV (46) : Unreal rendering
December 9, 2023
by Oliver Butler
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The unreal rendering API OpenCV provides us with four scenarios for unreal rendering: edge retention filtering, detail enhancement, sketch pencil drawing, and stylization. Edge retention...
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Android OpenCV (fifty-three) : Shi-Tomasi corner detection
December 9, 2023
by Neelofar Roy
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Shi-tomasi Corner detection API parameter 1: image, input source image. The type must be single-channel 8U or 32F. Parameter 2: corners, the output of detected...
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Android OpenCV (8) : image binary
December 9, 2023
by 尹哲瑋
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These two marks is to obtain the threshold method, it is not a sign of threshold comparison method, the two marks in front of the...
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