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google-ai-edge / mediapipe

Cross-platform, customizable ML solutions for live and streaming media.
https://mediapipe.dev
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[HOLISTIC SOLUTION] Info about the visibility/confidence of keypoints from the hands is not available. #5212

Open mvazquezgts opened 5 months ago

mvazquezgts commented 5 months ago

Have I written custom code (as opposed to using a stock example script provided in MediaPipe)

No

OS Platform and Distribution

Ubuntu

MediaPipe Tasks SDK version

Holistic

Task name (e.g. Image classification, Gesture recognition etc.)

Holistic

Programming Language and version (e.g. C++, Python, Java)

Python

Describe the actual behavior

In the actual version: Info about the visibility/confidence of keypoints from the hands is not available.

Describe the expected behaviour

Give information about the confidence of the keypoints of the hands extracted

Standalone code/steps you may have used to try to get what you need

In the current holistic solution, the visibility and presence fields for the hands are always 0.
And contrary to the hand solution which has a field called Handedness where the confidence or score for the hand is indicated, in the case of the holistic solution there is no output indicating the quality or confidence of the keypoints obtained.
Is this a bug? Or am I missing something? 
Thank you very much.

Other info / Complete Logs

HolisticLandmarkerResult(face_landmarks=[
 NormalizedLandmark(x=0.4745168089866638, y=0.36261075735092163, z=-0.0224269051104784, visibility=0.0, presence=0.0), 
 ....
 NormalizedLandmark(x=0.5119104385375977, y=0.2810891270637512, z=0.005499151535332203, visibility=0.0, presence=0.0)], 

 pose_landmarks=[
 NormalizedLandmark(x=0.47517403960227966, y=0.3143022358417511, z=-0.9151485562324524, visibility=0.9999208450317383, presence=0.9995543360710144), 
 ....
 NormalizedLandmark(x=0.41832780838012695, y=1.8102238178253174, z=0.12485508620738983, visibility=0.005907772108912468, presence=0.001108874916099012)], 

 pose_world_landmarks=[

 Landmark(x=-0.046613965183496475, y=-0.5604096055030823, z=-0.3200050890445709, visibility=0.9999208450317383, presence=0.9995543360710144), 
 ...
 Landmark(x=-0.12133946269750595, y=0.5424543023109436, z=0.04660561680793762, visibility=0.005907772108912468, presence=0.001108874916099012)], 

 left_hand_landmarks=[
 NormalizedLandmark(x=0.5576450228691101, y=0.7599831819534302, z=4.721105995031394e-07, visibility=0.0, presence=0.0), 
 ....
 NormalizedLandmark(x=0.6063085794448853, y=0.5707101821899414, z=-0.08902209997177124, visibility=0.0, presence=0.0)], 

 left_hand_world_landmarks=[
 Landmark(x=0.019411759451031685, y=-0.2692203223705292, z=-0.36530426144599915, visibility=0.0, presence=0.0), 
 ..... 
 Landmark(x=0.017838725820183754, y=-0.3276180922985077, z=-0.42397379875183105, visibility=0.0, presence=0.0)], 

 right_hand_landmarks=[
 NormalizedLandmark(x=0.3994499146938324, y=0.7287973761558533, z=3.09612943283355e-07, visibility=0.0, presence=0.0), 
 .....
 NormalizedLandmark(x=0.3777098059654236, y=0.6123549938201904, z=-0.02483273483812809, visibility=0.0, presence=0.0)], 

 right_hand_world_landmarks=[
 Landmark(x=-0.1434965282678604, y=-0.22600455582141876, z=-0.3554910123348236, visibility=0.0, presence=0.0), 
 .....
 Landmark(x=-0.14976395666599274, y=-0.30362075567245483, z=-0.39388307929039, visibility=0.0, presence=0.0)], 

 face_blendshapes=None, segmentation_mask=None)
kuaashish commented 5 months ago

Hi @mvazquezgts,

Could you please provide additional information about the problem. Include the following details:

Providing this information will help us better understand and address the issue.

Thank you!!

mvazquezgts commented 5 months ago

OS: Ubuntu Programming Language: Python Version de Mediapipe: 0.10.11 Solution: Holistic

Given an input image/frame the output of the model is:

HolisticLandmarkerResult(face_landmarks=[ NormalizedLandmark(x=0.4745168089866638, y=0.36261075735092163, z=-0.0224269051104784, visibility=0.0, presence=0.0), .... NormalizedLandmark(x=0.5119104385375977, y=0.2810891270637512, z=0.005499151535332203, visibility=0.0, presence=0.0)],

pose_landmarks=[ NormalizedLandmark(x=0.47517403960227966, y=0.3143022358417511, z=-0.9151485562324524, visibility=0.9999208450317383, presence=0.9995543360710144), .... NormalizedLandmark(x=0.41832780838012695, y=1.8102238178253174, z=0.12485508620738983, visibility=0.005907772108912468, presence=0.001108874916099012)],

pose_world_landmarks=[

Landmark(x=-0.046613965183496475, y=-0.5604096055030823, z=-0.3200050890445709, visibility=0.9999208450317383, presence=0.9995543360710144), ... Landmark(x=-0.12133946269750595, y=0.5424543023109436, z=0.04660561680793762, visibility=0.005907772108912468, presence=0.001108874916099012)],

left_hand_landmarks=[ NormalizedLandmark(x=0.5576450228691101, y=0.7599831819534302, z=4.721105995031394e-07, visibility=0.0, presence=0.0), .... NormalizedLandmark(x=0.6063085794448853, y=0.5707101821899414, z=-0.08902209997177124, visibility=0.0, presence=0.0)],

left_hand_world_landmarks=[ Landmark(x=0.019411759451031685, y=-0.2692203223705292, z=-0.36530426144599915, visibility=0.0, presence=0.0), ..... Landmark(x=0.017838725820183754, y=-0.3276180922985077, z=-0.42397379875183105, visibility=0.0, presence=0.0)],

right_hand_landmarks=[ NormalizedLandmark(x=0.3994499146938324, y=0.7287973761558533, z=3.09612943283355e-07, visibility=0.0, presence=0.0), ..... NormalizedLandmark(x=0.3777098059654236, y=0.6123549938201904, z=-0.02483273483812809, visibility=0.0, presence=0.0)],

right_hand_world_landmarks=[ Landmark(x=-0.1434965282678604, y=-0.22600455582141876, z=-0.3554910123348236, visibility=0.0, presence=0.0), ..... Landmark(x=-0.14976395666599274, y=-0.30362075567245483, z=-0.39388307929039, visibility=0.0, presence=0.0)],

face_blendshapes=None, segmentation_mask=None)

The available data/fields are:

Both hand and face visibility and presence always gives 0, regardless of the configuration with which you set up/initialise the model. It only gives some information in pose_landmarks & pose_world_landmarks.

So, my question is whether this is a bug or if it is possible to get the confidence/visibility of the hand points in another way. In the hands model (documentation: https://developers.google.com/mediapipe/solutions/vision/hand_landmarker/python) I see that there is a 'Handedness' field that contains this information.

HandLandmarkerResult: Handedness: Categories #0: index : 0 score : 0.98396 categoryName : Left Landmarks: Landmark #0: x : 0.638852 y : 0.671197 z : -3.41E-7 Landmark #1: x : 0.634599 y : 0.536441 z : -0.06984 ... (21 landmarks for a hand) WorldLandmarks: Landmark #0: x : 0.067485 y : 0.031084 z : 0.055223 Landmark #1: x : 0.063209 y : -0.00382 z : 0.020920

But it seems that in this version of Holistic there is no way to get a score for hand points.

schmidt-sebastian commented 5 months ago

Thank you for raising this. As this is our newest Task, we likely need to invest a bit more time here.

endink commented 3 months ago

Its an old issue:

3505

amokto commented 4 days ago

I am experiencing the same issue (holistic task on web), any updates on this?