def infer(args, logging_enabled):
"""
run inference on input video, display/save output video
"""
face_detection = FaceDetection(args.face_detection)
facial_landmark_detection = FacialLandmarkDetection(
args.facial_landmark_detection)
gaze_estimation = GazeEstimation(args.gaze_estimation)
head_pose_estimation = HeadPoseEstimation(args.head_pose_estimation)
load_start = now()
face_detection.load_model()
fl_start = now()
facial_landmark_detection.load_model()
ge_start = now()
gaze_estimation.load_model()
hp_start = now()
head_pose_estimation.load_model()
log_model_load_times(logging_enabled, load_start, fl_start, ge_start,
hp_start)
feeder = InputFeeder("video", args.input)
feeder.load_data()
frame_count, fd_time, fl_time, ge_time, hp_time = [0] * 5
while 1:
key = cv2.waitKey(20)
try:
frame = next(feeder.next_batch())
except StopIteration:
break
frame_count += 1
fd_frame = face_detection.preprocess_input(frame)
inf_start = now()
fd_output = face_detection.predict(fd_frame)
fd_time += now() - inf_start
out_frame, faces = face_detection.preprocess_output(
fd_output, frame, args.overlay_inference,
args.probability_threshold)
detected_face = frame[faces[0][1]:faces[0][3], faces[0][0]:faces[0][2]]
fl_frame = facial_landmark_detection.preprocess_input(detected_face)
fl_start = now()
fl_output = facial_landmark_detection.predict(fl_frame)
fl_time += now() - fl_start
out_frame, l_coord, r_coord, = facial_landmark_detection.preprocess_output(
fl_output, faces[0], out_frame, args.overlay_inference)
hp_frame = head_pose_estimation.preprocess_input(detected_face)
hp_start = now()
hp_output = head_pose_estimation.predict(hp_frame)
hp_time += now() - hp_start
out_frame, head_pose = head_pose_estimation.preprocess_output(
hp_output, out_frame, detected_face, faces[0],
args.overlay_inference)
out_frame, l_eye, r_eye = gaze_estimation.preprocess_input(
out_frame, detected_face, l_coord, r_coord, args.overlay_inference)
ge_start = now()
ge_output = gaze_estimation.predict(head_pose, l_eye, r_eye)
ge_time += now() - ge_start
out_frame, g_vec = gaze_estimation.preprocess_output(
ge_output, out_frame, faces[0], l_coord, r_coord,
args.overlay_inference)
if args.video_window:
cv2.imshow(
"Computer-Human Interface Peripheral Signal Manipulation via AI Retina Tracking (CHIPSMART)",
out_frame,
)
if args.mouse_control and frame_count % 6 == 0:
mouse_control.move(g_vec[0], g_vec[1])
# Quit if user presses Esc or Q
if key in (27, 81):
user_quit(logging_enabled)
break
log_inference_times(logging_enabled, frame_count, fd_time, fl_time,
ge_time, hp_time)
feeder.close()
cv2.destroyAllWindows()
quit()
def infer_on_stream(args):
"""
Initialize the inference network, stream video to network,
and output stats and video.
:param args: Command line arguments parsed by `build_argparser()`
:return: None
"""
try:
logging.basicConfig(level=logging.INFO,
format="%(asctime)s [%(levelname)s] %(message)s",
handlers=[
logging.FileHandler("gaze-app.log"),
logging.StreamHandler()
])
# Initialise the class
mc = MouseController("low", "fast")
#mc.move(100,100)
fdnet = FaceDetection(args.fdmodel)
lmnet = FacialLandmarks(args.lmmodel)
hpnet = HeadPoseEstimation(args.hpmodel)
genet = GazeEstimation(args.gemodel)
### Load the model through ###
logging.info("============== Models Load time ===============")
start_time = time.time()
fdnet.load_model()
logging.info("Face Detection Model: {:.1f}ms".format(
1000 * (time.time() - start_time)))
fdnet.check_model()
logging.info("Face Detection estimation layers loaded correctly")
start_time = time.time()
lmnet.load_model()
logging.info("Facial Landmarks Detection Model: {:.1f}ms".format(
1000 * (time.time() - start_time)))
lmnet.check_model()
logging.info("Facial Landmarks estimation layers loaded correctly")
start_time = time.time()
hpnet.load_model()
logging.info("Headpose Estimation Model: {:.1f}ms".format(
1000 * (time.time() - start_time)))
hpnet.check_model()
logging.info("Head pose estimation layers loaded correctly")
start_time = time.time()
genet.load_model()
logging.info("Gaze Estimation Model: {:.1f}ms".format(
1000 * (time.time() - start_time)))
genet.check_model()
logging.info("Gaze estimation layers loaded correctly")
logging.info("============== End =====================")
# Get and open video capture
feeder = InputFeeder('video', args.input)
feeder.load_data()
# FPS = feeder.get_fps()
# Grab the shape of the input
# width = feeder.get_width()
# height = feeder.get_height()
# init scene variables
frame_count = 0
### Loop until stream is over ###
fd_infertime = 0
lm_infertime = 0
hp_infertime = 0
ge_infertime = 0
while True:
# Read the next frame
try:
frame = next(feeder.next_batch())
except StopIteration:
break
key_pressed = cv2.waitKey(60)
frame_count += 1
#print(int((frame_count) % int(FPS)))
# face detection
fd_process_time = time.time()
p_frame = fdnet.preprocess_input(frame)
start_time = time.time()
fnoutput = fdnet.predict(p_frame)
fd_infertime += time.time() - start_time
out_frame, fboxes = fdnet.preprocess_output(
fnoutput, frame, args.print)
logging.info(
"Face Detection Model processing time : {:.1f}ms".format(
1000 * (time.time() - fd_process_time)))
#for each face
for fbox in fboxes:
# fbox = (xmin,ymin,xmax,ymax)
# get face landmarks
# crop face from frame
face = frame[fbox[1]:fbox[3], fbox[0]:fbox[2]]
lm_process_time = time.time()
p_frame = lmnet.preprocess_input(face)
start_time = time.time()
lmoutput = lmnet.predict(p_frame)
lm_infertime += time.time() - start_time
out_frame, left_eye_point, right_eye_point = lmnet.preprocess_output(
lmoutput, fbox, out_frame, args.print)
logging.info(
"Landmarks model processing time : {:.1f}ms".format(
1000 * (time.time() - lm_process_time)))
# get head pose estimation
hp_process_time = time.time()
p_frame = hpnet.preprocess_input(face)
start_time = time.time()
hpoutput = hpnet.predict(p_frame)
hp_infertime += time.time() - start_time
out_frame, headpose_angels = hpnet.preprocess_output(
hpoutput, out_frame, face, fbox, args.print)
logging.info(
"Headpose estimation model processing time : {:.1f}ms".
format(1000 * (time.time() - hp_process_time)))
# get gaze estimation
gaze_process_time = time.time()
out_frame, left_eye, right_eye = genet.preprocess_input(
out_frame, face, left_eye_point, right_eye_point,
args.print)
start_time = time.time()
geoutput = genet.predict(left_eye, right_eye, headpose_angels)
ge_infertime += time.time() - start_time
out_frame, gazevector = genet.preprocess_output(
geoutput, out_frame, fbox, left_eye_point, right_eye_point,
args.print)
logging.info(
"Gaze estimation model processing time : {:.1f}ms".format(
1000 * (time.time() - gaze_process_time)))
if (not args.no_video):
cv2.imshow('im', out_frame)
if (not args.no_move):
mc.move(gazevector[0], gazevector[1])
#consider only first detected face in the frame
break
# Break if escape key pressed
if key_pressed == 27:
break
#logging inference times
if (frame_count > 0):
logging.info(
"============== Models Inference time ===============")
logging.info("Face Detection:{:.1f}ms".format(1000 * fd_infertime /
frame_count))
logging.info("Facial Landmarks Detection:{:.1f}ms".format(
1000 * lm_infertime / frame_count))
logging.info("Headpose Estimation:{:.1f}ms".format(
1000 * hp_infertime / frame_count))
logging.info("Gaze Estimation:{:.1f}ms".format(
1000 * ge_infertime / frame_count))
logging.info("============== End ===============================")
# Release the capture and destroy any OpenCV windows
feeder.close()
cv2.destroyAllWindows()
except Exception as ex:
logging.exception("Error in inference:" + str(ex))
def main():
"""
Load inference networks, stream video to network,
and output stats and video.
:return: None
"""
# Logger init
logging.basicConfig(level=logging.INFO, format="[%(levelname)s] %(message)s")
# Get command line args
args = get_arg()
#Load Preferencies
with open(args.config_file, "r") as yamlfile:
cfg = yaml.load(yamlfile, Loader=yaml.FullLoader)
models = cfg['models']
input_source = args.input
video_path = cfg['video_path']
face_model = FaceDetection(models['face_detection'])
head_pose_model = HeadPoseEstimation(models['head_pose_estimation'])
facial_landmarks_model = FacialLandmarksDetection(models['facial_landmarks_detection'])
gaze_estimation_model = GazeEstimation(models['gaze_estimation'])
# Initialise the MouseController
mouse_contr = MouseController("low","fast")
# Load the models and log timing
start_time = time.time()
face_model.load_model(args.device)
logging.info("Load Face Detection model: {:.1f}ms".format(1000 * (time.time() - start_time)) )
start_time = time.time()
facial_landmarks_model.load_model(args.device)
logging.info("Load Facial Landmarks Detection model: {:.1f}ms".format(1000 * (time.time() - start_time)) )
start_time = time.time()
head_pose_model.load_model(args.device)
logging.info("Load Head Pose Estimation model: {:.1f}ms".format(1000 * (time.time() - start_time)) )
start_time = time.time()
gaze_estimation_model.load_model(args.device)
logging.info("Load Gaze Estimation model: {:.1f}ms".format(1000 * (time.time() - start_time)) )
# Get and open video or camera capture
#input_feed = InputFeeder('video', args.input)
#input_feed.load_data()
input_feed = InputFeeder(input_type=input_source, input_file=video_path)
input_feed.load_data()
if not input_feed.cap.isOpened():
log.critical('Error opening input, check --video_path parameter')
sys.exit(1)
# FPS = input_feed.get_fps()
# Grab the shape of the input
# width = input_feed.get_width()
# height = input_feed.get_height()
# init scene variables
frame_count = 0
### Loop until stream is over ###
facedetect_infer_time = 0
landmark_infer_time = 0
headpose_infer_time = 0
gaze_infer_time = 0
while True:
# Read the next frame
try:
frame = next(input_feed.next_batch())
except StopIteration:
break
if frame is None:
break
key_pressed = cv2.waitKey(60)
frame_count += 1
input_height, input_width, _ = frame.shape
logging.info("frame {count} size {w}, {h}".format(count= frame_count, w = input_width, h =input_height))
# face detection
p_frame = face_model.preprocess_input(frame)
start_time = time.time()
fnoutput = face_model.predict(p_frame)
facedetect_infer_time += time.time() - start_time
out_frame,fboxes = face_model.preprocess_output(fnoutput,frame,args.overlay, args.prob_threshold)
#for each face
for fbox in fboxes:
face = frame[fbox[1]:fbox[3],fbox[0]:fbox[2]]
p_frame = facial_landmarks_model.preprocess_input(face)
start_time = time.time()
lmoutput = facial_landmarks_model.predict(p_frame)
landmark_infer_time += time.time() - start_time
out_frame,left_eye_point,right_eye_point = facial_landmarks_model.preprocess_output(lmoutput, fbox, out_frame,args.overlay, args.prob_threshold)
# get head pose estimation
p_frame = head_pose_model.preprocess_input(face)
start_time = time.time()
hpoutput = head_pose_model.predict(p_frame)
headpose_infer_time += time.time() - start_time
out_frame, headpose_angels = head_pose_model.preprocess_output(hpoutput,out_frame, face,fbox,args.overlay, args.prob_threshold)
# get gaze estimation
out_frame, left_eye, right_eye = gaze_estimation_model.preprocess_input(out_frame,face,left_eye_point,right_eye_point,args.overlay)
start_time = time.time()
geoutput = gaze_estimation_model.predict(left_eye, right_eye, headpose_angels)
gaze_infer_time += time.time() - start_time
out_frame, gazevector = gaze_estimation_model.preprocess_output(geoutput,out_frame,fbox, left_eye_point,right_eye_point,args.overlay, args.prob_threshold)
cv2.imshow('im', out_frame)
if(args.mouse_move):
logging.info("mouse move vector : x ={}, y={}".format(gazevector[0], gazevector[1]))
mouse_contr.move(gazevector[0], gazevector[1])
#use only first detected face in the frame
break
# Break if escape key pressed
if key_pressed == 27:
break
#logging inference times
if(frame_count>0):
logging.info("***** Models Inference time *****")
logging.info("Face Detection:{:.1f}ms".format(1000* facedetect_infer_time/frame_count))
logging.info("Facial Landmarks Detection:{:.1f}ms".format(1000* landmark_infer_time/frame_count))
logging.info("Headpose Estimation:{:.1f}ms".format(1000* headpose_infer_time/frame_count))
logging.info("Gaze Estimation:{:.1f}ms".format(1000* gaze_infer_time/frame_count))
# Release the capture and destroy any OpenCV windows
input_feed.close()
cv2.destroyAllWindows()
