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+import cv2
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+from cv2 import aruco
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+import numpy as np
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+import time
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+import sys
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+import os
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+sys.path.append(os.path.abspath(os.path.join(os.path.dirname(__file__), '..')))
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+from default_config import *
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+visualization = True
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+def is_in_center(x_px, y_px, frame_w, frame_h, margin_ratio=0.25):
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+ margin_x = frame_w * margin_ratio
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+ margin_y = frame_h * margin_ratio
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+ return (margin_x < x_px < frame_w - margin_x) and (margin_y < y_px < frame_h - margin_y)
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+
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+def get_euler_angles_from_rvec(rvec):
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+ rot_matrix, _ = cv2.Rodrigues(rvec)
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+ sy = np.sqrt(rot_matrix[0, 0]**2 + rot_matrix[1, 0]**2)
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+ singular = sy < 1e-6
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+ if not singular:
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+ roll = np.arctan2(rot_matrix[2, 1], rot_matrix[2, 2])
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+ pitch = np.arctan2(-rot_matrix[2, 0], sy)
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+ yaw = np.arctan2(rot_matrix[1, 0], rot_matrix[0, 0])
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+ else:
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+ roll = np.arctan2(-rot_matrix[1, 2], rot_matrix[1, 1])
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+ pitch = np.arctan2(-rot_matrix[2, 0], sy)
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+ yaw = 0
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+ return np.degrees(roll), np.degrees(pitch), np.degrees(yaw)
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+
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+def is_roll_valid(roll):
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+ return (abs(roll) < ALLOWED_ANGLE_DEG) or (160 <= abs(roll) <= 180)
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+
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+def spray_pesticide(marker_id):
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+ print(f"✅ SPRAYING! Marker ID: {marker_id}")
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+
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+calib_data_path = f"camera_calibration/calib_data/{set_resolution}/MultiMatrix.npz"
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+calib_data = np.load(calib_data_path)
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+print('resolution:', set_resolution)
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+
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+cam_mat = calib_data["camMatrix"]
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+dist_coef = calib_data["distCoef"]
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+
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+
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+marker_dict = aruco.getPredefinedDictionary(aruco.DICT_7X7_50)
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+param_markers = aruco.DetectorParameters()
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+
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+cap = cv2.VideoCapture(0)
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+
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+# Thay đổi độ phân giải phù hợp với yêu cầu ban đầu
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+new_height = RESOLUTION_STANDARDS[set_resolution]
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+new_width, new_height = change_resolution(cap,new_height)
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+print(f'Resolution camera {new_width}x{new_height}')
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+
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+fps = cap.get(cv2.CAP_PROP_FPS)
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+print(f"Frames per second: {fps}")
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+
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+
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+
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+def start_spraying(marker_id):
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+ print(f"🟡 SPRAYING marker {marker_id}...")
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+
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+def stop_spraying(marker_id):
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+ print(f"✅ SPRAYED marker {marker_id}")
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+
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+# --- Track state ---
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+marker_states = {} # marker_id -> {"state": "NOT_SPRAYED"/"SPRAYING"/"SPRAYED", "start_time": float}
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+
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+while True:
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+ ret, frame = cap.read()
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+ if not ret:
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+ break
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+
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+ gray_frame = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
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+ detector = cv2.aruco.ArucoDetector(marker_dict, param_markers)
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+ marker_corners, marker_IDs, _ = detector.detectMarkers(gray_frame)
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+
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+ current_time = time.time()
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+
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+ if marker_corners:
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+ rVec, tVec, _ = aruco.estimatePoseSingleMarkers(marker_corners, MARKER_SIZE, cam_mat, dist_coef)
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+ for i, (ids, corners) in enumerate(zip(marker_IDs, marker_corners)):
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+ marker_id = int(ids[0])
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+ corners = corners.reshape(4, 2).astype(int)
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+ cx = int(np.mean(corners[:, 0]))
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+ cy = int(np.mean(corners[:, 1]))
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+ x, y, z = tVec[i][0]
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+ roll, pitch, yaw = get_euler_angles_from_rvec(rVec[i])
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+
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+ # Kiểm tra đủ điều kiện
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+ in_center = is_in_center(cx, cy, new_width, new_height)
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+ within_angle = is_roll_valid(roll) and abs(pitch) < ALLOWED_ANGLE_DEG and abs(yaw) < ALLOWED_ANGLE_DEG
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+ within_xyz = (
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+ ALLOWED_XYZ_RANGE["x"][0] <= x <= ALLOWED_XYZ_RANGE["x"][1] and
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+ ALLOWED_XYZ_RANGE["y"][0] <= y <= ALLOWED_XYZ_RANGE["y"][1] and
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+ ALLOWED_XYZ_RANGE["z"][0] <= z <= ALLOWED_XYZ_RANGE["z"][1]
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+ )
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+
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+ if marker_id not in marker_states:
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+ marker_states[marker_id] = {"state": "NOT_SPRAYED", "start_time": 0}
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+
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+ state_info = marker_states[marker_id]
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+
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+ if in_center and within_angle and within_xyz:
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+ if state_info["state"] == "NOT_SPRAYED":
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+ start_spraying(marker_id)
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+ marker_states[marker_id] = {
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+ "state": "SPRAYING",
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+ "start_time": current_time
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+ }
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+ elif state_info["state"] == "SPRAYING":
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+ elapsed = current_time - state_info["start_time"]
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+ if elapsed >= SPRAY_DURATION:
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+ stop_spraying(marker_id)
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+ marker_states[marker_id]["state"] = "SPRAYED"
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+
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+ # --- Visualization ---
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+ status = marker_states[marker_id]["state"]
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+ color = {"NOT_SPRAYED": (0, 0, 255), "SPRAYING": (0, 255, 255), "SPRAYED": (0, 255, 0)}[status]
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+
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+ if visualization:
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+ cv2.polylines(frame, [corners], True, color, 2)
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+ cv2.drawFrameAxes(frame, cam_mat, dist_coef, rVec[i], tVec[i], 4, 4)
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+ cv2.putText(frame, f"ID: {marker_id}", (cx + 10, cy), cv2.FONT_HERSHEY_SIMPLEX, 0.6, color, 2)
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+ cv2.putText(frame, f"{status}", (cx + 10, cy + 25), cv2.FONT_HERSHEY_SIMPLEX, 0.6, color, 2)
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+ cv2.putText(frame, f"x:{x:.1f} y:{y:.1f} z:{z:.1f}", (cx + 10, cy + 45), cv2.FONT_HERSHEY_PLAIN, 1, (255, 255, 255), 1)
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+ cv2.putText(frame, f"roll:{roll:.1f} pitch:{pitch:.1f} yaw:{yaw:.1f}", (cx + 10, cy + 65), cv2.FONT_HERSHEY_PLAIN, 1, (0, 255, 255), 1)
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+ if visualization:
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+ cv2.imshow("frame", frame)
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+ key = cv2.waitKey(1)
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+ if key == ord("q"):
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+ break
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+
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+cap.release()
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+cv2.destroyAllWindows()
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