Emgu.CV（OpenCV）

Emgu GithubEmgu环境Emgu CV 4.9.0netframework 4.81、下载libemgucv-windesktop-4.9.0.5494.exe 安装后找到安装路径下的runtime文件夹复制到c#项目Debug目录下安装目录c# Debug目录2、C#示例{ var ch mat.NumberOfChannels switch { 1 Gray/Depth, 3 BGR, 4 BGRA, _ ${mat.NumberOfChannels}ch }; return ${mat.Width}x{mat.Height}, {ch}, {mat.Depth}; } // // 内部工具 // private static void EnsureDepthMatch(DepthType actual, params DepthType[] allowed) { foreach (var d in allowed) { if (actual d) return; } throw new ArgumentException($数据类型与 DepthType{actual} 不匹配); } private static void ValidatePlane(byte[] plane, int expected, string name) { if (plane.Length expected) throw new ArgumentException(${name} 长度不足期望 {expected}实际 {plane.Length}); } }调用示例// 1) 灰度 8 位原始数据byte[] gray ...; // length w*husing var m1 EmguCvImageHelper.FromRawGray8(gray, width: 640, height: 480);image.Source EmguCvImageHelper.ToBitmapSource(m1);// 2) BGR 交错原始数据byte[] bgr ...; // length w*h*3image.Source EmguCvImageHelper.ToBitmapSourceFromRawBgr8(bgr, 640, 480);// 3) 浮点深度图float[] depth ...; // length w*himage.Source EmguCvImageHelper.ToBitmapSourceFromRawGray32F(depth, 640, 480);// 4) 分通道例如 R/G/B 三个数组byte[] r ..., g ..., b ...;using var m2 EmguCvImageHelper.FromSeparateChannels8(640, 480, b, g, r); // OpenCV 习惯 B,G,Rimage.Source EmguCvImageHelper.ToBitmapSource(m2);// 5) 通用入口using var m3 EmguCvImageHelper.FromRaw(depth, 640, 480, channels: 1, DepthType.Cv32F);