代码片段 - C#实现多张图片根据重叠部分拼接图像

安装Nuget包

• Emgu.CV
• Emgu.CV.runtime.windows

using Emgu.CV;
using Emgu.CV.CvEnum;
using Emgu.CV.Features2D;
using Emgu.CV.Stitching;
using Emgu.CV.Structure;
using Emgu.CV.Util;
using System.Diagnostics;
namespace Tools
{
    public class ImageStitcher
    {
        public static void StitchImages(string[] imagePaths, string stitchedImagePath)
        {
            Image<Bgr, byte>[] sourceImages = new Image<Bgr, byte>[imagePaths.Length];
            for (int i = 0; i < sourceImages.Length; i++)
            {
                sourceImages[i] = new Image<Bgr, byte>(imagePaths[i]);
            }
            try
            {
                //only use GPU if you have build the native binary from code and enabled "NON_FREE"
                using (Stitcher stitcher = new Stitcher())
                using (Emgu.CV.Features2D.AKAZE finder = new Emgu.CV.Features2D.AKAZE())
                using (Emgu.CV.Stitching.WarperCreator warper = new SphericalWarper())
                {
                    stitcher.SetFeaturesFinder(finder);
                    stitcher.SetWarper(warper);
                    using (VectorOfMat vm = new VectorOfMat())
                    {
                        Mat result = new Mat();
                        vm.Push(sourceImages);

                        Stopwatch watch = Stopwatch.StartNew();

                        Stitcher.Status stitchStatus = stitcher.Stitch(vm, result);
                        watch.Stop();

                        if (stitchStatus == Stitcher.Status.Ok)
                        {
                            result.Save(stitchedImagePath);
                            Console.WriteLine(string.Format("Stitched in {0} milliseconds.", watch.ElapsedMilliseconds));
                        }
                        else
                        {
                            Console.WriteLine(string.Format("Stiching Error: {0}", stitchStatus));
                        }
                    }
                }
            }
            finally
            {
                foreach (Image<Bgr, Byte> img in sourceImages)
                {
                    img.Dispose();
                }
            }
        }
    }
}

• imagePaths：待拼接的图片路径列表
• stitchedImagePath：拼接好的图片保存路径