OpenCVSharp 4.5 视频相似性分析

最新推荐文章于 2025-02-11 08:34:12 发布

原创

最新推荐文章于 2025-02-11 08:34:12 发布 · 403 阅读

0 ·

CC 4.0 BY-SA版权

文章标签：

#opencv

本文通过OpenCVSharp 4.5实现官方教程，展示了如何使用VideoCapture读取视频并进行PSNR和MSSIM测量，以评估视频帧之间的差异。

用 OpenCVSharp 4.5 跑一遍 OpenCV官方教程

原官方教程链接：OpenCV: Video Input with OpenCV and similarity measurement

using System;
using OpenCvSharp;

namespace ConsoleApp1
{
    class tutorial34 : ITutorial
    {
        public void Run()
        {
            int psnrTriggerValue = 40, delay = 100;

            string sourceReference =   @"I:\csharp\videos\Megamind.avi";
            string sourceCompareWith = @"I:\csharp\videos\Megamind_bugy.avi";
            int frameNum = -1;          // Frame counter
            VideoCapture captRefrnc = new VideoCapture(sourceReference);
            VideoCapture captUndTst = new VideoCapture(sourceCompareWith);

            if (!captRefrnc.IsOpened())
            {
                Console.WriteLine("Could not open reference {0}", sourceReference);
                return;
            }
            if (!captUndTst.IsOpened())
            {
                Console.WriteLine("Could not open case test {0}", sourceCompareWith);
                return;
            }
            Size refS = new Size((int)captRefrnc.Get(VideoCaptureProperties.FrameWidth),
                             (int)captRefrnc.Get(Vide