c# 图像识别的轮廓分析 摄像头取图识别 string fileName = Path.GetDirectoryName(templateFile) + "\\" + found.template.name; if (!AugmentedRealityImages.ContainsKey(fileName)) { if (!File.Exists(fileName)) return; AugmentedRealityImages[fileName] = Image.FromFile(fileName); } Image img = AugmentedRealityImages[fileName]; Point p = found.sample.contour.SourceBoundingRect.Center(); var state = gr.Save();