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FrankCV2048
2024-10-22 20:03:14 +08:00
parent 86789aa5c4 0e6ee20ea9
commit b97de98d74
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Vision/camera_coordinate_dete.py
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@ -330,6 +330,276 @@ class Detection:
print("RVC X Camera is not opened!")
return 0, None, None, None, None
def get_position_and_depth(self, Point_isVision=False, Box_isPoint=True, First_Depth =True, Target_pixel_threshold = 200, Iter_Max_Pixel = 30, save_img_point=0, Height_reduce = 30, width_reduce = 30):
"""
眼在手上，用于料袋顶层抓取，检测料袋相关信息
:param Point_isVision: 点云可视化
:param Box_isPoint: True 返回点云值； False 返回box相机坐标
:param First_Depth: True 返回料袋中心点深度最小的点云值； False 返回面积最大的料袋中心点云值
:param Target_pixel_threshold: [int] 设定像素阈值，判断是否可以抓取
:param Iter_Max_Pixel: [int] 点云为NAN时，向该点周围寻找替代值，寻找最大区域（Iter_Max_Pixel×Iter_Max_Pixel）
:param save_img_point: 0不保存 ; 1保存原图 ;2保存处理后的图 ; 3保存点云和原图；4 保存点云和处理后的图; 5 异常数据保存（点云NAN）
:param Height_reduce: 检测框的高内缩像素
:param width_reduce: 检测框的宽内缩像素
:return ret: bool 相机是否正常工作
:return img: ndarry 返回img
:return xyz: list 目标中心点云值形如[x,y,z]
:return nx_ny_nz: list 拟合平面法向量，形如[a,b,c]
:return box_list: list 内缩检测框四顶点，形如[[x1,y1],[],[],[]]
"""
ret, img, pm = self.camera_rvc.get_img_and_point_map() # 拍照，获取图像及
if self.camera_rvc.caminit_isok == True:
if ret == 1:
if save_img_point != 0:
if get_disk_space(path=os.getcwd()) < 15: # 内存小于15G,停止保存数据
save_img_point = 0
print('系统内存不足，无法保存数据')
else:
save_path = ''.join([os.getcwd(), '/Vision/model/data/',
time.strftime('%Y_%m_%d_%H_%M_%S', time.localtime(time.time()))])
save_img_name = ''.join([save_path, '.png'])
save_point_name = ''.join([save_path, '.xyz'])
if save_img_point == 5:
Abnormal_data_img = img.copy()
if save_img_point==1 or save_img_point==3:
cv2.imwrite(save_img_name, img)
if save_img_point==3 or save_img_point==4 or save_img_point==5:
row_list = list(range(1, img.shape[0], 2))
column_list = list(range(1, img.shape[1], 2))
pm_save = pm.copy()
pm_save1 = np.delete(pm_save, row_list, axis=0)
point_new = np.delete(pm_save1, column_list, axis=1)
point_new = point_new.reshape(-1, 3)
if save_img_point==5:
Abnormal_data_point = point_new.copy()
else:
np.savetxt(save_point_name, point_new)
if self.use_openvino_model == False:
flag, det_cpu, dst_img, masks, category_names = self.model.model_inference(img, 0)
else:
flag, det_cpu, scores, masks, category_names = self.model.segment_objects(img)
if flag == 1:
xyz = []
nx_ny_nz = []
RegionalArea = []
Depth_Z = []
uv = []
seg_point = []
box_list = []
target_box_area = 0
if Point_isVision==True:
pm2 = pm.copy()
pm2 = pm2.reshape(-1, 3)
pm2 = pm2[~np.isnan(pm2).all(axis=-1), :]
pm2[:, 2] = pm2[:, 2] + 0.25
pcd2 = o3d.geometry.PointCloud()
pcd2.points = o3d.utility.Vector3dVector(pm2)
# o3d.visualization.draw_geometries([pcd2])
for i, item in enumerate(det_cpu):
target_box_area = 0
# 画box
box_x1, box_y1, box_x2, box_y2 = item[0:4].astype(np.int32)
if self.use_openvino_model == False:
label = category_names[int(item[5])]
else:
label = class_names[int(item[4])]
rand_color = (0, 255, 255)
score = item[4]
org = (int((box_x1 + box_x2) / 2), int((box_y1 + box_y2) / 2))
x_center = int((box_x1 + box_x2) / 2)
y_center = int((box_y1 + box_y2) / 2)
text = '{}|{:.2f}'.format(label, score)
cv2.putText(img, text, org=org, fontFace=cv2.FONT_HERSHEY_SIMPLEX, fontScale=0.8,
color=rand_color,
thickness=2)
# 画mask
# mask = masks[i].cpu().numpy().astype(int)
if self.use_openvino_model == False:
mask = masks[i].cpu().data.numpy().astype(int)
else:
mask = masks[i].astype(int)
mask = mask[box_y1:box_y2, box_x1:box_x2]
# mask = masks[i].numpy().astype(int)
h, w = box_y2 - box_y1, box_x2 - box_x1
mask_colored = np.zeros((h, w, 3), dtype=np.uint8)
mask_colored[np.where(mask)] = rand_color
##################################
imgray = cv2.cvtColor(mask_colored, cv2.COLOR_BGR2GRAY)
# cv2.imshow('mask',imgray)
# cv2.waitKey(1)
# 2、二进制图像
ret, binary = cv2.threshold(imgray, 10, 255, 0)
# 阈值 二进制图像
# cv2.imshow('bin',binary)
# cv2.waitKey(1)
contours, hierarchy = cv2.findContours(binary, cv2.RETR_TREE, cv2.CHAIN_APPROX_NONE)
# all_point_list = contours_in(contours)
# print(len(all_point_list))
max_contour = None
max_perimeter = 0
for contour in contours: # 排除小分割区域或干扰区域
perimeter = cv2.arcLength(contour, True)
if perimeter > max_perimeter:
max_perimeter = perimeter
max_contour = contour
'''
拟合最小外接矩形，计算矩形中心
'''
rect = cv2.minAreaRect(max_contour)
if rect[1][0]-width_reduce < 30 or rect[1][1]-Height_reduce < 30:
rect_reduce = (
(rect[0][0], rect[0][1]), (rect[1][0] - width_reduce, rect[1][1] - Height_reduce), rect[2])
else:
rect_reduce = (
(rect[0][0], rect[0][1]), (rect[1][0], rect[1][1]), rect[2])
target_box_area = rect[1][0] * rect[1][1]
# cv2.boxPoints可以将轮廓点转换为四个角点坐标
box_outside = cv2.boxPoints(rect)
# 这一步不影响后面的画图，但是可以保证四个角点坐标为顺时针
startidx = box_outside.sum(axis=1).argmin()
box_outside = np.roll(box_outside, 4 - startidx, 0)
box_outside = np.intp(box_outside)
box_outside = box_outside.reshape((-1, 1, 2)).astype(np.int32)
# cv2.boxPoints可以将轮廓点转换为四个角点坐标
box_reduce = cv2.boxPoints(rect_reduce)
startidx = box_reduce.sum(axis=1).argmin()
box_reduce = np.roll(box_reduce, 4 - startidx, 0)
box_reduce = np.intp(box_reduce)
box_reduce = box_reduce.reshape((-1, 1, 2)).astype(np.int32)
'''
提取区域范围内的（x, y）
'''
mask_inside = np.zeros(binary.shape, np.uint8)
cv2.fillPoly(mask_inside, [box_reduce], (255))
pixel_point2 = cv2.findNonZero(mask_inside)
# result = np.zeros_like(color_image)
select_point = []
for i in range(pixel_point2.shape[0]):
select_point.append(pm[pixel_point2[i][0][1]+box_y1, pixel_point2[i][0][0]+box_x1])
select_point = np.array(select_point)
pm_seg = select_point.reshape(-1, 3)
pm_seg = pm_seg[~np.isnan(pm_seg).all(axis=-1), :] # 剔除 nan
if pm_seg.size < 100:
print("分割点云数量较少，无法拟合平面")
continue
# cv2.imshow('result', point_result)
'''
拟合平面，计算法向量
'''
pcd = o3d.geometry.PointCloud()
pcd.points = o3d.utility.Vector3dVector(pm_seg)
plane_model, inliers = pcd.segment_plane(distance_threshold=self.seg_distance_threshold,
ransac_n=5,
num_iterations=5000)
[a, b, c, d] = plane_model
# print(f"Plane equation: {a:.2f}x + {b:.2f}y + {c:.2f}z + {d:.2f} = 0")
# inlier_cloud = pcd.select_by_index(inliers) # 点云可视化
# inlier_cloud.paint_uniform_color([1.0, 0, 0])
# outlier_cloud = pcd.select_by_index(inliers, invert=True)
# outlier_cloud.paint_uniform_color([0, 1, 0])
# o3d.visualization.draw_geometries([inlier_cloud, outlier_cloud])
box_outside = box_outside + [[[box_x1, box_y1]], [[box_x1, box_y1]], [[box_x1, box_y1]],[[box_x1, box_y1]]]
box = box_reduce + [[[box_x1, box_y1]], [[box_x1, box_y1]], [[box_x1, box_y1]], [[box_x1, box_y1]]]
box[0][0][1], box[0][0][0] = out_bounds_dete(pm.shape[0], pm.shape[1], box[0][0][1], box[0][0][0])
box[1][0][1], box[1][0][0] = out_bounds_dete(pm.shape[0], pm.shape[1], box[1][0][1], box[1][0][0])
box[2][0][1], box[2][0][0] = out_bounds_dete(pm.shape[0], pm.shape[1], box[2][0][1], box[2][0][0])
box[3][0][1], box[3][0][0] = out_bounds_dete(pm.shape[0], pm.shape[1], box[3][0][1], box[3][0][0])
if Box_isPoint == True:
box_point_x1, box_point_y1, box_point_z1 = remove_nan_mean_value(pm, box[0][0][1], box[0][0][0], iter_max=Iter_Max_Pixel)
box_point_x2, box_point_y2, box_point_z2 = remove_nan_mean_value(pm, box[1][0][1], box[1][0][0], iter_max=Iter_Max_Pixel)
box_point_x3, box_point_y3, box_point_z3 = remove_nan_mean_value(pm, box[2][0][1], box[2][0][0], iter_max=Iter_Max_Pixel)
box_point_x4, box_point_y4, box_point_z4 = remove_nan_mean_value(pm, box[3][0][1], box[3][0][0], iter_max=Iter_Max_Pixel)
else:
x1, y1, z1 = uv_to_XY(box[0][0][0], box[0][0][1])
x2, y2, z2 = uv_to_XY(box[1][0][0], box[1][0][1])
x3, y3, z3 = uv_to_XY(box[2][0][0], box[2][0][1])
x4, y4, z4 = uv_to_XY(box[3][0][0], box[3][0][1])
x_rotation_center = int((box[0][0][0] + box[1][0][0] + box[2][0][0] + box[3][0][0]) / 4)
y_rotation_center = int((box[0][0][1] + box[1][0][1] + box[2][0][1] + box[3][0][1]) / 4)
point_x, point_y, point_z = remove_nan_mean_value(pm, y_rotation_center, x_rotation_center, iter_max=Iter_Max_Pixel)
cv2.circle(img, (x_rotation_center, y_rotation_center), 4, (255, 255, 255), 5) # 标出中心点
if np.isnan(point_x): # 点云值为无效值
continue
else:
if Box_isPoint == True:
box_list.append(
[[box_point_x1, box_point_y1, box_point_z1],
[box_point_x2, box_point_y2, box_point_z2],
[box_point_x3, box_point_y3, box_point_z3],
[box_point_x4, box_point_y4, box_point_z4]])
else:
box_list.append([[x1, y1, z1],
[x2, y2, z2],
[x3, y3, z3],
[x4, y4, z4],
])
if target_box_area > img.shape[0]*img.shape[1]*(2/3): # Target_pixel_threshold
if self.cameraType == 'RVC':
xyz.append([point_x*1000, point_y*1000, point_z*1000])
Depth_Z.append(point_z*1000)
elif self.cameraType=='Pe':
xyz.append([point_x, point_y, point_z])
Depth_Z.append(point_z)
nx_ny_nz.append([a, b, c])
RegionalArea.append(cv2.contourArea(max_contour))
uv.append([x_rotation_center, y_rotation_center])
seg_point.append(pm_seg)
cv2.polylines(img, [box], True, (0, 255, 0), 2)
cv2.polylines(img, [box_outside], True, (226, 12, 89), 2)
_idx = find_position(Depth_Z, RegionalArea, 100, First_Depth)
if _idx == None:
if save_img_point == 5:
cv2.imwrite(save_img_name, Abnormal_data_img)
np.savetxt(save_point_name, Abnormal_data_point)
return 1, img, None, None, None
else:
cv2.circle(img, (uv[_idx][0], uv[_idx][1]), 30, (0, 0, 255), 20) # 标出中心点
if Point_isVision==True:
pcd = o3d.geometry.PointCloud()
pcd.points = o3d.utility.Vector3dVector(seg_point[_idx])
plane_model, inliers = pcd.segment_plane(distance_threshold=self.seg_distance_threshold,
ransac_n=5,
num_iterations=5000)
inlier_cloud = pcd.select_by_index(inliers) # 点云可视化
inlier_cloud.paint_uniform_color([1.0, 0, 0])
outlier_cloud = pcd.select_by_index(inliers, invert=True)
outlier_cloud.paint_uniform_color([0, 0, 1])
o3d.visualization.draw_geometries([inlier_cloud, outlier_cloud, pcd2])
if save_img_point == 2 or save_img_point ==4:
save_img = cv2.resize(img, (720, 540))
cv2.imwrite(save_img_name, save_img)
return 1, img, xyz[_idx], nx_ny_nz[_idx], box_list[_idx]
else:
if save_img_point == 2 or save_img_point ==4:
save_img = cv2.resize(img,(720, 540))
cv2.imwrite(save_img_name, save_img)
if save_img_point == 5:
cv2.imwrite(save_img_name, Abnormal_data_img)
np.savetxt(save_point_name, Abnormal_data_point)
return 1, img, None, None, None
else:
print("RVC X Camera capture failed!")
return 0, None, None, None, None
else:
print("RVC X Camera is not opened!")
return 0, None, None, None, None
def get_take_photo_position(self, Height_reduce = 30, width_reduce = 30):
"""
检测当前拍照点能否检测到料袋