opencv openpose
冀萧迟
cpu比较卡，躺着好像不能检测
# To use Inference Engine backend, specify location of plugins:
# export LD_LIBRARY_PATH=/opt/intel/deeplearning_deploymenttoolkit/deployment_tools/external/mklml_lnx/lib:$LD_LIBRARY_PATH
import cv2 as cv
import numpy as np
import argparse
import time
parser = argparse.ArgumentParser(
description='This script is used to demonstrate OpenPose human pose estimation network '
'from https://github.com/CMU-Perceptual-Computing-Lab/openpose project using OpenCV. '
'The sample and model are simplified and could be used for a single person on the frame.')
parser.add_argument('--input', default='pbug3_450x420.avi', help='Path to video. Skip to capture frames from camera')
parser.add_argument('--ouput', default='outpose.avi', help='Path to output video')
parser.add_argument('--proto', default='pose_deploy_linevec.prototxt', help='Path to .prototxt')
parser.add_argument('--model', default='pose_iter_440000.caffemodel', help='Path to .caffemodel')
parser.add_argument('--dataset', default='COCO', help='Specify what kind of model was trained. '
'It could be (COCO, MPI) depends on dataset.')
parser.add_argument('--thr', default=0.1, type=float, help='Threshold value for pose parts heat map')
parser.add_argument('--width', default=368, type=int, help='Resize input to specific width.')
parser.add_argument('--height', default=368, type=int, help='Resize input to specific height.')
args = parser.parse_args()
if args.dataset == 'COCO':
BODY_PARTS = {"Nose": 0, "Neck": 1, "RShoulder": 2, "RElbow": 3, "RWrist": 4,
"LShoulder": 5, "LElbow": 6, "LWrist": 7, "RHip": 8, "RKnee": 9,
"RAnkle": 10, "LHip": 11, "LKnee": 12, "LAnkle": 13, "REye": 14,
"LEye": 15, "REar": 16, "LEar": 17, "Background": 18}
POSE_PAIRS = [["Neck", "RShoulder"], ["Neck", "LShoulder"], ["RShoulder", "RElbow"],
["RElbow", "RWrist"], ["LShoulder", "LElbow"], ["LElbow", "LWrist"],
["Neck", "RHip"], ["RHip", "RKnee"], ["RKnee", "RAnkle"], ["Neck", "LHip"],
["LHip", "LKnee"], ["LKnee", "LAnkle"], ["Neck", "Nose"], ["Nose", "REye"],
["REye", "REar"], ["Nose", "LEye"], ["LEye", "LEar"]]
else:
assert (args.dataset == 'MPI')
BODY_PARTS = {"Head": 0, "Neck": 1, "RShoulder": 2, "RElbow": 3, "RWrist": 4,
"LShoulder": 5, "LElbow": 6, "LWrist": 7, "RHip": 8, "RKnee": 9,
"RAnkle": 10, "LHip": 11, "LKnee": 12, "LAnkle": 13, "Chest": 14,
"Background": 15}
POSE_PAIRS = [["Head", "Neck"], ["Neck", "RShoulder"], ["RShoulder", "RElbow"],
["RElbow", "RWrist"], ["Neck", "LShoulder"], ["LShoulder", "LElbow"],
["LElbow", "LWrist"], ["Neck", "Chest"], ["Chest", "RHip"], ["RHip", "RKnee"],
["RKnee", "RAnkle"], ["Chest", "LHip"], ["LHip", "LKnee"], ["LKnee", "LAnkle"]]
# visualize
colors = [[255, 0, 0], [255, 85, 0], [255, 170, 0], [255, 255, 0], [170, 255, 0], [85, 255, 0],
[0, 255, 0], \
[0, 255, 85], [0, 255, 170], [0, 255, 255], [0, 170, 255], [0, 85, 255], [0, 0, 255],
[85, 0, 255], \
[170, 0, 255], [255, 0, 255], [255, 0, 170], [255, 0, 85]]
inWidth = args.width
inHeight = args.height
net = cv.dnn.readNetFromCaffe(args.proto, args.model)
cap = cv.VideoCapture(0)
# 视频总帧数
frameNum = cap.get(cv.CAP_PROP_FRAME_COUNT)
# vedio writer
# fourcc = cv.VideoWriter_fourcc('m', 'p', '4', 'v')
fourcc = cv.VideoWriter_fourcc(*'XVID')
# 保存size必须和输出size设定为一致，否则无法写入保存文件
w = int(cap.get(cv.CAP_PROP_FRAME_WIDTH))
h = int(cap.get(cv.CAP_PROP_FRAME_HEIGHT))
size = (w, h)
poseout = cv.VideoWriter(args.ouput, fourcc, 20.0, size)
# create a black use numpy,size is:512*512
poseFrame = np.zeros((h, w, 3), np.uint8)
# fill the image with white
poseFrame.fill(0)
# cv.namedWindow('OpenPose')
print('Start...')
print('共计{}帧图像.'.format(frameNum))
# 计时开始
start_time = time.time()
j = 0
while True:
hasFrame, frame = cap.read()
if not hasFrame:
# cv.waitKey()
break
frameWidth = frame.shape[1]
frameHeight = frame.shape[0]
inp = cv.dnn.blobFromImage(frame, 1.0 / 255, (inWidth, inHeight),
(0, 0, 0), swapRB=False, crop=False)
net.setInput(inp)
out = net.forward()
# assert(len(BODY_PARTS) == out.shape[1])
# reset
points = []
poseFrame.fill(0)
for i in range(len(BODY_PARTS)):
# Slice heatmap of corresponging body's part.
heatMap = out[0, i, :, :]
# Originally, we try to find all the local maximums. To simplify a sample
# we just find a global one. However only a single pose at the same time
# could be detected this way.
_, conf, _, point = cv.minMaxLoc(heatMap)
x = (frameWidth * point[0]) / out.shape[3]
y = (frameHeight * point[1]) / out.shape[2]
# Add a point if it's confidence is higher than threshold.
points.append((int(x), int(y)) if conf > args.thr else None)
# *************** points ***********
# print(points)
i = 0
for pair in POSE_PAIRS:
partFrom = pair[0]
partTo = pair[1]
# assert(partFrom in BODY_PARTS)
# assert(partTo in BODY_PARTS)
idFrom = BODY_PARTS[partFrom]
idTo = BODY_PARTS[partTo]
if points[idFrom] and points[idTo]:
cv.line(frame, points[idFrom], points[idTo], colors[i], 3)
cv.ellipse(frame, points[idFrom], (3, 3), 0, 0, 360, (0, 0, 255), cv.FILLED)
cv.ellipse(frame, points[idTo], (3, 3), 0, 0, 360, (0, 0, 255), cv.FILLED)
i += 1
# t, _ = net.getPerfProfile()
# freq = cv.getTickFrequency() / 1000
# cv.putText(frame, '%.2fms' % (t / freq), (10, 20), cv.FONT_HERSHEY_SIMPLEX, 0.5, (0, 0, 0))
# neck = points[BODY_PARTS['Neck']]
# left_wrist = points[BODY_PARTS['LWrist']]
# right_wrist = points[BODY_PARTS['RWrist']]
# print(neck, left_wrist, right_wrist)
# if neck and left_wrist and right_wrist and left_wrist[1] < neck[1] and right_wrist[1] < neck[1]:
# cv.putText(frame, 'HANDS UP!', (10, 100), cv.FONT_HERSHEY_SIMPLEX, 2, (0, 255, 0), 2)
cv.imshow('OpenPose', frame)
cv.waitKey(1)
# poseout.write(poseFrame)
# cv.imwrite('outpose/pose_%d.jpg'%(j), frame)
# j += 1
# if j % 20 == 0:
# # 记录时间
# end_time = time.time()
# print('已处理{}/{}帧图像， 用时{:.4f}s， 平均每帧用时{:.4f}s'.format(j, int(frameNum), end_time - start_time,
# (end_time - start_time) / j))
# 计时结束
end_time = time.time()
print('共处理{}帧图像，用时{:.4f}s'.format(j, end_time - start_time))
cap.release()
poseout.release()
cv.destroyAllWindows()
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