修复问题

ruoyi-video/src/main/java/com/ruoyi/video/common/ModelManager.java

@@ -32,7 +32,8 @@ public final class ModelManager implements AutoCloseable {
             int rgb = palette[i % palette.length]; i++;
             int bgr = ((rgb & 0xFF) << 16) | (rgb & 0xFF00) | ((rgb >> 16) & 0xFF);
 
-            YoloDetector det = new OpenCvYoloDetector(name, dir, w, h, backend, bgr);
+            // 使用OpenVinoYoloDetector，但强制使用OpenCV后端
+            YoloDetector det = new OpenVinoYoloDetector(name, dir, w, h, "opencv", bgr);
             map.put(name, det);
         }
     }

ruoyi-video/src/main/java/com/ruoyi/video/thread/detector/OpenVinoYoloDetector.java

@@ -25,9 +25,15 @@ public final class OpenVinoYoloDetector implements YoloDetector {
         this.input = new Size(inW, inH);
         this.colorBGR = colorBGR;
 
-        String xml = dir.resolve("model.xml").toString();
+        // 自动查找模型文件
-        String bin = dir.resolve("model.bin").toString();
+        String xml = findModelFile(dir, ".xml");
+        String bin = findModelFile(dir, ".bin");
 
+        if (xml == null || bin == null) {
+            throw new Exception("找不到模型文件，请确保目录中存在 .xml 和 .bin 文件: " + dir);
+        }
+
+        // 读取类别文件
         Path clsPath = dir.resolve("classes.txt");
         if (Files.exists(clsPath)) {
             this.classes = Files.readAllLines(clsPath).stream().map(String::trim)
@@ -36,19 +42,34 @@ public final class OpenVinoYoloDetector implements YoloDetector {
             this.classes = new String[0];
         }
 
+        try {
+            // 加载模型，但强制使用OpenCV后端
             this.net = readNetFromModelOptimizer(xml, bin);
             
-        boolean set = false;
+            // 强制使用OpenCV后端，避免OpenVINO依赖
-        if ("openvino".equalsIgnoreCase(backend)) {
-            try {
-                net.setPreferableBackend(DNN_BACKEND_INFERENCE_ENGINE);
-                net.setPreferableTarget(DNN_TARGET_CPU);
-                set = true;
-            } catch (Throwable ignore) { /* 回退 */ }
-        }
-        if (!set) {
             net.setPreferableBackend(DNN_BACKEND_OPENCV);
             net.setPreferableTarget(DNN_TARGET_CPU);
+            
+            System.out.println("模型加载成功: " + name + " (使用OpenCV后端)");
+            
+        } catch (Exception e) {
+            throw new Exception("模型加载失败: " + e.getMessage() + 
+                              "\n请确保模型文件完整且格式正确", e);
+        }
+    }
+
+    /**
+     * 在目录中查找指定扩展名的模型文件
+     */
+    private String findModelFile(Path dir, String extension) {
+        try {
+            return Files.list(dir)
+                    .filter(path -> path.toString().toLowerCase().endsWith(extension.toLowerCase()))
+                    .map(Path::toString)
+                    .findFirst()
+                    .orElse(null);
+        } catch (Exception e) {
+            return null;
         }
     }