修复问题

This commit is contained in:
2025-09-27 23:19:00 +08:00
parent 0126abf313
commit 42d6f41d56
3 changed files with 254 additions and 5 deletions

View File

@@ -32,8 +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);
// 使用OpenVinoYoloDetector但强制使用OpenCV后端
YoloDetector det = new OpenVinoYoloDetector(name, dir, w, h, "opencv", bgr);
// 使用OnnxYoloDetector替代OpenVinoYoloDetector
YoloDetector det = new OnnxYoloDetector(name, dir, w, h, backend, bgr);
map.put(name, det);
}
}
@@ -45,4 +45,4 @@ public final class ModelManager implements AutoCloseable {
map.values().forEach(d -> { try { d.close(); } catch(Exception ignored){} });
map.clear();
}
}
}

View File

@@ -0,0 +1,249 @@
package com.ruoyi.video.thread.detector;
import com.ruoyi.video.domain.Detection;
import org.bytedeco.javacpp.indexer.FloatRawIndexer;
import org.bytedeco.opencv.opencv_core.*;
import org.bytedeco.opencv.opencv_dnn.Net;
import java.nio.file.*;
import java.util.*;
import static org.bytedeco.opencv.global.opencv_dnn.*;
import static org.bytedeco.opencv.global.opencv_core.*;
import static org.bytedeco.opencv.global.opencv_imgproc.*;
public final class OnnxYoloDetector implements YoloDetector {
private final String modelName;
private final Net net;
private final Size input;
private final float confTh = 0.25f, nmsTh = 0.45f;
private final String[] classes;
private final int colorBGR;
public OnnxYoloDetector(String name, Path dir, int inW, int inH, String backend, int colorBGR) throws Exception {
this.modelName = name;
this.input = new Size(inW, inH);
this.colorBGR = colorBGR;
// 查找ONNX模型文件
String onnx = findModelFile(dir, ".onnx");
if (onnx == null) {
throw new Exception("找不到ONNX模型文件请确保目录中存在 .onnx 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)
.filter(s -> !s.isEmpty()).toArray(String[]::new);
} else {
this.classes = new String[0];
}
try {
// 加载ONNX模型
this.net = readNetFromONNX(onnx);
// 设置OpenCV后端
net.setPreferableBackend(DNN_BACKEND_OPENCV);
net.setPreferableTarget(DNN_TARGET_CPU);
System.out.println("ONNX模型加载成功: " + name + " (" + onnx + ")");
} catch (Exception e) {
throw new Exception("模型加载失败: " + e.getMessage() +
"\n请确保ONNX模型文件格式正确", 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;
}
}
@Override public String name() { return modelName; }
@Override
public List<Detection> detect(Mat bgr) {
if (bgr == null || bgr.empty()) return Collections.emptyList();
// 统一成 BGR 3 通道,避免 blobFromImage 断言失败
if (bgr.channels() != 3) {
Mat tmp = new Mat();
if (bgr.channels() == 1) cvtColor(bgr, tmp, COLOR_GRAY2BGR);
else if (bgr.channels() == 4) cvtColor(bgr, tmp, COLOR_BGRA2BGR);
else bgr.copyTo(tmp);
bgr = tmp;
}
try (Mat blob = blobFromImage(bgr, 1.0/255.0, input, new Scalar(0.0), true, false, CV_32F)) {
net.setInput(blob);
// ===== 多输出兼容Bytedeco 正确写法)=====
org.bytedeco.opencv.opencv_core.StringVector outNames = net.getUnconnectedOutLayersNames();
List<Mat> outs = new ArrayList<>();
if (outNames == null || outNames.size() == 0) {
// 只有一个默认输出
Mat out = net.forward(); // ← 直接返回 Mat
outs.add(out);
} else {
// 多输出:用 MatVector 承接
org.bytedeco.opencv.opencv_core.MatVector outBlobs =
new org.bytedeco.opencv.opencv_core.MatVector(outNames.size());
net.forward(outBlobs, outNames); // ← 正确的重载
for (long i = 0; i < outBlobs.size(); i++) {
outs.add(outBlobs.get(i));
}
}
int fw = bgr.cols(), fh = bgr.rows();
List<Rect2d> boxes = new ArrayList<>();
List<Float> scores = new ArrayList<>();
List<Integer> classIds = new ArrayList<>();
for (Mat out : outs) {
parseYoloOutput(out, fw, fh, boxes, scores, classIds);
}
if (boxes.isEmpty()) return Collections.emptyList();
// 纯 Java NMS避免 MatOf* / Vector API 兼容问题
List<Integer> keep = nmsIndices(boxes, scores, nmsTh);
List<Detection> result = new ArrayList<>(keep.size());
for (int k : keep) {
Rect2d r = boxes.get(k);
Rect rect = new Rect((int)r.x(), (int)r.y(), (int)r.width(), (int)r.height());
int cid = classIds.get(k);
String cname = (cid >= 0 && cid < classes.length) ? classes[cid] : ("cls"+cid);
result.add(new Detection("["+modelName+"] "+cname, scores.get(k), rect, colorBGR));
}
return result;
} catch (Throwable e) {
// 单帧失败不影响整体
return Collections.emptyList();
}
}
/** 解析 YOLO-IR 输出为 N×CC>=6并填充 boxes/scores/classIds。 */
private void parseYoloOutput(Mat out, int fw, int fh,
List<Rect2d> boxes, List<Float> scores, List<Integer> classIds) {
int dims = out.dims();
Mat m;
if (dims == 2) {
// NxC 或 CxN
if (out.cols() >= 6) {
m = out;
} else {
Mat tmp = new Mat();
transpose(out, tmp); // CxN -> NxC
m = tmp;
}
} else if (dims == 3) {
// [1,N,C] 或 [1,C,N]
if (out.size(2) >= 6) {
m = out.reshape(1, out.size(1)); // -> N×C
} else {
Mat squeezed = out.reshape(1, out.size(1)); // C×N
Mat tmp = new Mat();
transpose(squeezed, tmp); // -> N×C
m = tmp;
}
} else if (dims == 4) {
// [1,1,N,C] 或 [1,1,C,N]
int a = out.size(2), b = out.size(3);
if (b >= 6) {
m = out.reshape(1, a).clone(); // -> N×C
} else {
Mat cxn = out.reshape(1, b); // C×N
Mat tmp = new Mat();
transpose(cxn, tmp); // -> N×C
m = tmp.clone();
}
} else {
return; // 不支持的形状
}
int N = m.rows(), C = m.cols();
if (C < 6 || N <= 0) return;
FloatRawIndexer idx = m.createIndexer();
for (int i = 0; i < N; i++) {
float cx = idx.get(i,0), cy = idx.get(i,1), w = idx.get(i,2), h = idx.get(i,3);
float obj = idx.get(i,4);
int bestCls = -1; float bestScore = 0f;
for (int c = 5; c < C; c++) {
float p = idx.get(i,c);
if (p > bestScore) { bestScore = p; bestCls = c - 5; }
}
float conf = obj * bestScore;
if (conf < confTh) continue;
// 默认假设归一化中心点格式 (cx,cy,w,h);若你的 IR 是 x1,y1,x2,y2请把这里换算改掉
int bx = Math.max(0, Math.round(cx * fw - (w * fw) / 2f));
int by = Math.max(0, Math.round(cy * fh - (h * fh) / 2f));
int bw = Math.min(fw - bx, Math.round(w * fw));
int bh = Math.min(fh - by, Math.round(h * fh));
if (bw <= 0 || bh <= 0) continue;
boxes.add(new Rect2d(bx, by, bw, bh));
scores.add(conf);
classIds.add(bestCls);
}
}
/** 纯 Java NMSIoU 抑制),返回保留的下标列表。 */
private List<Integer> nmsIndices(List<Rect2d> boxes, List<Float> scores, float nmsThreshold) {
List<Integer> order = new ArrayList<>(boxes.size());
for (int i = 0; i < boxes.size(); i++) order.add(i);
// 按分数降序
order.sort((i, j) -> Float.compare(scores.get(j), scores.get(i)));
List<Integer> keep = new ArrayList<>();
boolean[] removed = new boolean[boxes.size()];
for (int a = 0; a < order.size(); a++) {
int i = order.get(a);
if (removed[i]) continue;
keep.add(i);
Rect2d bi = boxes.get(i);
double areaI = bi.width() * bi.height();
for (int b = a + 1; b < order.size(); b++) {
int j = order.get(b);
if (removed[j]) continue;
Rect2d bj = boxes.get(j);
double areaJ = bj.width() * bj.height();
double xx1 = Math.max(bi.x(), bj.x());
double yy1 = Math.max(bi.y(), bj.y());
double xx2 = Math.min(bi.x() + bi.width(), bj.x() + bj.width());
double yy2 = Math.min(bi.y() + bi.height(), bj.y() + bj.height());
double w = Math.max(0, xx2 - xx1);
double h = Math.max(0, yy2 - yy1);
double inter = w * h;
double iou = inter / (areaI + areaJ - inter + 1e-9);
if (iou > nmsThreshold) removed[j] = true;
}
}
return keep;
}
@Override public void close(){ net.close(); }
}