Files
Feeding_control_system/vision/charge_3cls/charge_utils.py
2026-04-07 09:51:38 +08:00

89 lines
2.9 KiB
Python

import os
import cv2
#from rknnlite.api import RKNNLite
import time
# classify_single_image, StableClassJudge, CLASS_NAMES 已在 muju_cls_rknn 中定义
from .charge_cls_rknn import classify_single_image, StableClassJudge, CLASS_NAMES
# 获取当前文件所在目录的绝对路径
current_dir = os.path.dirname(os.path.abspath(__file__))
def run_stable_charge_loop():
"""
image_source: cv2.VideoCapture 对象
"""
_ret=None
# 使用相对于当前文件的绝对路径
model_path = os.path.join(current_dir, "charge0324.rknn")
# roi_file = os.path.join(current_dir, "roi_coordinates", "muju_roi.txt")
RTSP_URL = "rtsp://admin:XJ123456@192.168.250.60:554/streaming/channels/101"
stable_frames=5
print(f"正在连接 RTSP 流: {RTSP_URL}")
cap =None
try:
cap = cv2.VideoCapture(RTSP_URL)
# 降低 RTSP 延迟(部分摄像头支持)
cap.set(cv2.CAP_PROP_BUFFERSIZE, 1)
if not cap.isOpened():
print("无法打开 RTSP 流,请检查网络、账号密码或 URL")
return None
print("RTSP 流连接成功,开始推理...")
judge = StableClassJudge(
stable_frames=stable_frames,
ignore_class=2 # 忽略“有遮挡”类别参与稳定判断
)
if not hasattr(cap, "read"):
raise TypeError("image_source 必须是 cv2.VideoCapture 实例")
_max_count=10
while True:
_max_count=_max_count-1
ret, frame = cap.read()
if not ret:
print("无法读取视频帧(可能是流断开或结束)")
continue
# 上下左右翻转
# frame = cv2.flip(frame, -1)
# ---------------------------
# 单帧推理
# ---------------------------
result = classify_single_image(frame, model_path)
class_id = result["class_id"]
class_name = result["class"]
score = result["score"]
print(f"[FRAME] {class_name} | conf={score:.3f}")
if score>0.8:
# ---------------------------
# 稳定判断
# ---------------------------
stable_class_id = judge.update(class_id)
if stable_class_id is not None:
_ret=CLASS_NAMES[stable_class_id]
if _ret is None:
print("-------当前振捣棒检测为空,继续等待稳定------")
continue
if _ret=="插好":
break
print(f"-------当前振捣棒检测为:{_ret},继续等待稳定------")
else:
print("-------当前振捣棒检测为空,继续等待稳定------")
time.sleep(0.1)
finally:
if cap is not None:
cap.release()
return _ret