openpose/examples/tutorial_api_python/07_hand_from_image.py

# From Python
# It requires OpenCV installed for Python
import sys
import cv2
import os
from sys import platform
import argparse
import time

try:
 # Import Openpose (Windows/Ubuntu/OSX)
 dir_path = os.path.dirname(os.path.realpath(__file__))
 try:
 # Windows Import
 if platform == "win32":
 # Change these variables to point to the correct folder (Release/x64 etc.)
 sys.path.append(dir_path + '/../../python/openpose/Release');
 os.environ['PATH'] = os.environ['PATH'] + ';' + dir_path + '/../../x64/Release;' + dir_path + '/../../bin;'
 import pyopenpose as op
 else:
 # Change these variables to point to the correct folder (Release/x64 etc.)
 sys.path.append('../../python');
 # If you run `make install` (default path is `/usr/local/python` for Ubuntu), you can also access the OpenPose/python module from there. This will install OpenPose and the python library at your desired installation path. Ensure that this is in your python path in order to use it.
 # sys.path.append('/usr/local/python')
 from openpose import pyopenpose as op
 except ImportError as e:
 print('Error: OpenPose library could not be found. Did you enable `BUILD_PYTHON` in CMake and have this Python script in the right folder?')
 raise e

 # Flags
 parser = argparse.ArgumentParser()
 parser.add_argument("--image_path", default="../../../examples/media/COCO_val2014_000000000241.jpg", help="Process an image. Read all standard formats (jpg, png, bmp, etc.).")
 args = parser.parse_known_args()

 # Custom Params (refer to include/openpose/flags.hpp for more parameters)
 params = dict()
 params["model_folder"] = "../../../models/"
 params["hand"] = True
 params["hand_detector"] = 2
 params["body"] = 0

 # Add others in path?
 for i in range(0, len(args[1])):
 curr_item = args[1][i]
 if i != len(args[1])-1: next_item = args[1][i+1]
 else: next_item = "1"
 if "--" in curr_item and "--" in next_item:
 key = curr_item.replace('-','')
 if key not in params: params[key] = "1"
 elif "--" in curr_item and "--" not in next_item:
 key = curr_item.replace('-','')
 if key not in params: params[key] = next_item

 # Construct it from system arguments
 # op.init_argv(args[1])
 # oppython = op.OpenposePython()

 # Starting OpenPose
 opWrapper = op.WrapperPython()
 opWrapper.configure(params)
 opWrapper.start()

 # Read image and face rectangle locations
 imageToProcess = cv2.imread(args[0].image_path)
 handRectangles = [
 # Left/Right hands person 0
 [
 op.Rectangle(320.035889, 377.675049, 69.300949, 69.300949),
 op.Rectangle(0., 0., 0., 0.),
 ],
 # Left/Right hands person 1
 [
 op.Rectangle(80.155792, 407.673492, 80.812706, 80.812706),
 op.Rectangle(46.449715, 404.559753, 98.898178, 98.898178),
 ],
 # Left/Right hands person 2
 [
 op.Rectangle(185.692673, 303.112244, 157.587555, 157.587555),
 op.Rectangle(88.984360, 268.866547, 117.818230, 117.818230),
 ]
 ]

 # Create new datum
 datum = op.Datum()
 datum.cvInputData = imageToProcess
 datum.handRectangles = handRectangles

 # Process and display image
 opWrapper.emplaceAndPop(op.VectorDatum([datum]))
 print("Left hand keypoints: \n" + str(datum.handKeypoints[0]))
 print("Right hand keypoints: \n" + str(datum.handKeypoints[1]))
 cv2.imshow("OpenPose 1.7.0 - Tutorial Python API", datum.cvOutputData)
 cv2.waitKey(0)
except Exception as e:
 print(e)
 sys.exit(-1)