mediapipe-rs/mediapipe/modules/holistic_landmark/face_tracking.pbtxt
2022-06-11 12:25:48 -07:00

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# Decides what ROI to use for face landmarks prediction: either previous frame
# landmarks ROI or the current frame face re-crop ROI.
type: "FaceTracking"
# Face landmarks from the current frame. They will be memorized for tracking on
# the next frame. (NormalizedLandmarkList)
input_stream: "LANDMARKS:face_landmarks"
# Face re-crop ROI from the current frame. (NormalizedRect)
input_stream: "FACE_RECROP_ROI:face_recrop_roi"
# Image size (width & height). (std::pair<int, int>)
input_stream: "IMAGE_SIZE:image_size"
# Face tracking ROI. Which is either face landmarks ROI from the previous frame
# if face is still tracked, or face re-crop ROI from the current frame
# otherwise. (NormalizedRect)
output_stream: "FACE_TRACKING_ROI:face_tracking_roi"
# Keeps track of face landmarks from the previous frame.
node {
calculator: "PreviousLoopbackCalculator"
input_stream: "MAIN:image_size"
input_stream: "LOOP:face_landmarks"
input_stream_info: {
tag_index: "LOOP"
back_edge: true
}
output_stream: "PREV_LOOP:prev_face_landmarks"
}
# Gets hand landarmsk rect.
node {
calculator: "FaceLandmarksToRoi"
input_stream: "LANDMARKS:prev_face_landmarks"
input_stream: "IMAGE_SIZE:image_size"
output_stream: "ROI:prev_face_landmarks_rect"
}
# Checks that all requirements for tracking are satisfied and use face rectangle
# from the previous frame in that case. Otherwise - use face re-crop rectangle
# from the current frame.
node {
calculator: "RoiTrackingCalculator"
input_stream: "PREV_LANDMARKS:prev_face_landmarks"
input_stream: "PREV_LANDMARKS_RECT:prev_face_landmarks_rect"
input_stream: "RECROP_RECT:face_recrop_roi"
input_stream: "IMAGE_SIZE:image_size"
output_stream: "TRACKING_RECT:face_tracking_roi"
options: {
[mediapipe.RoiTrackingCalculatorOptions.ext] {
rect_requirements: {
rotation_degrees: 15.0
translation: 0.1
scale: 0.3
}
landmarks_requirements: {
recrop_rect_margin: -0.2
}
}
}
}