sl-perception f61a03b3c5 feat(social): face detection + recognition (SCRFD + ArcFace TRT FP16, Issue #80)
Add two new ROS2 packages for the social sprint:

saltybot_social_msgs (ament_cmake):
- FaceDetection, FaceDetectionArray, FaceEmbedding, FaceEmbeddingArray
- PersonState, PersonStateArray
- EnrollPerson, ListPersons, DeletePerson, UpdatePerson services

saltybot_social_face (ament_python):
- SCRFDDetector: SCRFD face detection with TRT FP16 + ONNX fallback
  - 640x640 input, 3-stride anchor decoding, NMS
- ArcFaceRecognizer: 512-dim embedding extraction with gallery matching
  - 5-point landmark alignment to 112x112, cosine similarity
- FaceGallery: thread-safe persistent gallery (npz + JSON sidecar)
- FaceRecognitionNode: ROS2 node subscribing /camera/color/image_raw,
  publishing /social/faces/detections, /social/faces/embeddings
- Enrollment via /social/enroll service (N-sample face averaging)
- Launch file, config YAML, TRT engine builder script

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
2026-03-01 23:31:48 -05:00

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XML

<?xml version="1.0"?>
<?xml-model href="http://download.ros.org/schema/package_format3.xsd" schematypens="http://www.w3.org/2001/XMLSchema"?>
<package format="3">
<name>saltybot_social_face</name>
<version>0.1.0</version>
<description>SCRFD face detection and ArcFace recognition for SaltyBot social interactions</description>
<maintainer email="seb@vayrette.com">seb</maintainer>
<license>MIT</license>
<depend>rclpy</depend>
<depend>sensor_msgs</depend>
<depend>cv_bridge</depend>
<depend>image_transport</depend>
<depend>saltybot_social_msgs</depend>
<exec_depend>python3-numpy</exec_depend>
<exec_depend>python3-opencv</exec_depend>
<test_depend>ament_copyright</test_depend>
<test_depend>ament_flake8</test_depend>
<test_depend>ament_pep257</test_depend>
<test_depend>python3-pytest</test_depend>
<export>
<build_type>ament_python</build_type>
</export>
</package>