Yolo 多任务推理
支持检测、分类、分割、OBB旋转框检测、POSE关键点检测；支持图片、视频、摄像头实时推理
部分源码：
python
import os
import sys
import time
from dataclasses import dataclass
from pathlib import Path
from typing import List, Optional, Tuple
import cv2
import numpy as np
import onnxruntime as ort
from PySide6.QtCore import QPoint, QTimer, Qt
from PySide6.QtGui import QImage, QPainter, QPixmap
from PySide6.QtWidgets import (
QApplication,
QComboBox,
QDoubleSpinBox,
QFileDialog,
QFormLayout,
QGroupBox,
QHBoxLayout,
QLabel,
QLineEdit,
QMainWindow,
QMessageBox,
QPushButton,
QSpinBox,
QVBoxLayout,
QWidget,
)
IMAGE_EXTS = {".jpg", ".jpeg", ".png", ".bmp", ".tif", ".tiff", ".webp"}
POSE_SKELETON = [
(0, 1), (0, 2), (1, 3), (2, 4),
(5, 6), (5, 7), (7, 9), (6, 8), (8, 10),
(5, 11), (6, 12), (11, 12),
(11, 13), (13, 15), (12, 14), (14, 16),
]
@dataclass
class Detection:
cls_id: int
conf: float
bbox: Tuple[int, int, int, int]
@dataclass
class OBBDetection:
cls_id: int
conf: float
cx: float
cy: float
w: float
h: float
angle_deg: float
class ZoomPanLabel(QLabel):
def __init__(self, text: str = ""):
super().__init__(text)
self._pixmap: Optional[QPixmap] = None
self._scale = 1.0
self._offset = QPoint(0, 0)
self._dragging = False
self._last_pos = QPoint(0, 0)
self.setAlignment(Qt.AlignCenter)
self.setStyleSheet("background:#1e1e1e;color:#cccccc;border:1px solid #444;")
def set_image(self, pixmap: QPixmap):
self._pixmap = pixmap
self._scale = 1.0
self._offset = QPoint(0, 0)
self.update()
def wheelEvent(self, event):
if self._pixmap is None:
return
delta = event.angleDelta().y()
factor = 1.15 if delta > 0 else 1 / 1.15
self._scale = float(np.clip(self._scale * factor, 0.1, 20.0))
self.update()
def mousePressEvent(self, event):
if event.button() == Qt.LeftButton and self._pixmap is not None:
self._dragging = True
self._last_pos = event.position().toPoint()
self.setCursor(Qt.ClosedHandCursor)
super().mousePressEvent(event)
def mouseMoveEvent(self, event):
if self._dragging and self._pixmap is not None:
cur = event.position().toPoint()
delta = cur - self._last_pos
self._last_pos = cur
self._offset += delta
self.update()
super().mouseMoveEvent(event)
def mouseReleaseEvent(self, event):
if event.button() == Qt.LeftButton:
self._dragging = False
self.setCursor(Qt.ArrowCursor)
super().mouseReleaseEvent(event)
def mouseDoubleClickEvent(self, event):
self._scale = 1.0
self._offset = QPoint(0, 0)
self.update()
super().mouseDoubleClickEvent(event)
def paintEvent(self, event):
super().paintEvent(event)
if self._pixmap is None:
return
painter = QPainter(self)
painter.setRenderHint(QPainter.SmoothPixmapTransform, True)
sw = int(self._pixmap.width() * self._scale)
sh = int(self._pixmap.height() * self._scale)
scaled = self._pixmap.scaled(sw, sh, Qt.KeepAspectRatio, Qt.SmoothTransformation)
x = (self.width() - scaled.width()) // 2 + self._offset.x()
y = (self.height() - scaled.height()) // 2 + self._offset.y()
painter.drawPixmap(x, y, scaled)实现效果
检测：
分割：
分类：
关键点：
视频推理：
