example-mediapipe-udp
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madelinegannon
Cannot find Renderer Subgraph
_live.pbtxt WARNING: All log messages before absl::InitializeLog() is called are written to STDERR I0000 00:00:1705417055.522904 30032 demo_run_graph_main.cc:50] Get calculator graph config contents: # MediaPipe graph that performs hands tracking on desktop with TensorFlow
Lite on CPU.
Used in the example in
mediapipe/examples/desktop/hand_tracking:hand_tracking_cpu.
CPU image. (ImageFrame)
input_stream: "input_video"
CPU image. (ImageFrame)
output_stream: "output_video"
Generates side packet cotaining max number of hands to detect/track.
node { calculator: "ConstantSidePacketCalculator" output_side_packet: "PACKET:num_hands" node_options: { [type.googleapis.com/mediapipe.ConstantSidePacketCalculatorOptions]: { packet { int_value: 2 } } } }
Detects/tracks hand landmarks.
node { calculator: "HandLandmarkTrackingCpu" input_stream: "IMAGE:input_video" input_side_packet: "NUM_HANDS:num_hands" output_stream: "LANDMARKS:landmarks" output_stream: "HANDEDNESS:handedness" output_stream: "PALM_DETECTIONS:multi_palm_detections" output_stream: "HAND_ROIS_FROM_LANDMARKS:multi_hand_rects" output_stream: "HAND_ROIS_FROM_PALM_DETECTIONS:multi_palm_rects" }
Subgraph that renders annotations and overlays them on top of the input
images (see hand_renderer_cpu.pbtxt).
node { calculator: "HandRendererSubgraph" input_stream: "IMAGE:input_video" input_stream: "DETECTIONS:multi_palm_detections" input_stream: "LANDMARKS:landmarks" input_stream: "HANDEDNESS:handedness" input_stream: "NORM_RECTS:0:multi_palm_rects" input_stream: "NORM_RECTS:1:multi_hand_rects" output_stream: "IMAGE:output_video" }
Add New Node
node { calculator: "MyPassThroughCalculator" input_stream: "LANDMARKS:hand_landmarks" input_stream: "NORM_RECT:hand_rect" input_stream: "DETECTIONS:palm_detections" output_stream: "LANDMARKS:hand_landmarks_out" output_stream: "NORM_RECT:hand_rect_out" output_stream: "DETECTIONS:palm_detections_out" }
Modify input_stream names of next node
Subgraph that renders annotations and overlays them on top of the input
images (see renderer_cpu.pbtxt).
node { calculator: "RendererSubgraph" input_stream: "IMAGE:input_video" input_stream: "LANDMARKS:hand_landmarks_out" input_stream: "NORM_RECT:hand_rect_out" input_stream: "DETECTIONS:palm_detections_out" output_stream: "IMAGE:output_video" }
I0000 00:00:1705417055.523425 30032 demo_run_graph_main.cc:56] Initialize the calculator graph. E0000 00:00:1705417055.525294 30032 demo_run_graph_main.cc:156] Failed to run the graph: ValidatedGraphConfig Initialization failed. No registered object with name: RendererSubgraph; Unable to find Calculator "RendererSubgraph"
