HandLandmarker's min_hand_detection_confidence is not consistent #5293
Labels
os:macOS
Issues on MacOS
platform:python
MediaPipe Python issues
task:hand landmarker
Issues related to hand landmarker: Identify and track hands and fingers
type:bug
Bug in the Source Code of MediaPipe Solution
Have I written custom code (as opposed to using a stock example script provided in MediaPipe)
Yes
OS Platform and Distribution
Mac M2
Mobile device if the issue happens on mobile device
No response
Browser and version if the issue happens on browser
No response
Programming Language and version
python
MediaPipe version
0.10.9 (latest version working on Mac - #5168)
Bazel version
No response
Solution
HandLandmarker
Android Studio, NDK, SDK versions (if issue is related to building in Android environment)
No response
Xcode & Tulsi version (if issue is related to building for iOS)
No response
Describe the actual behavior
If a hand is detected at
min_hand_detection_confidence=0.71
, one would expects that it also finds a hand at all lower thresholds.Describe the expected behaviour
It is possible to get no detections at a lower confidence threshold even though a larger threshold finds a hand. I also observed the same for
FaceLandmarker
but I don't have a minimal reproducible example for that at the moment.Standalone code/steps you may have used to try to get what you need
Other info / Complete Logs
test.png:
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