# Converts hand-related pose landmarks to hand re-crop ROI.
type: "HandLandmarksFromPoseToRecropRoi"
# Hand-related pose landmarks in [wrist, pinky, index] order.
# (NormalizedLandmarkList)
input_stream: "HAND_LANDMARKS_FROM_POSE:hand_landmarks_from_pose"
# Image size (width & height). (std::pair<int, int>)
input_stream: "IMAGE_SIZE:image_size"
# ROI to be used for re-crop prediction. (NormalizedRect)
output_stream: "ROI:roi"
# Converts hand-related pose landmarks to a detection that tightly encloses all
# of them.
node {
calculator: "LandmarksToDetectionCalculator"
input_stream: "NORM_LANDMARKS:hand_landmarks_from_pose"
output_stream: "DETECTION:hand_detection_from_pose"
}
# Converts hand detection to a normalized hand rectangle.
node {
calculator: "HandDetectionsFromPoseToRectsCalculator"
input_stream: "DETECTION:hand_detection_from_pose"
input_stream: "IMAGE_SIZE:image_size"
output_stream: "NORM_RECT:hand_roi_from_pose"
}
# Expands the palm rectangle so that it becomes big enough for hand re-crop
# model to localize it accurately.
node {
calculator: "RectTransformationCalculator"
input_stream: "NORM_RECT:hand_roi_from_pose"
input_stream: "IMAGE_SIZE:image_size"
output_stream: "roi"
options: {
[mediapipe.RectTransformationCalculatorOptions.ext] {
scale_x: 2.7
scale_y: 2.7
shift_y: -0.1
square_long: true
}
}
}