README.md

haarcascade_frontalface_default.xml is from OpenCV's own data/haarcascades/ directory (BSD 3-Clause license), used by the Live Face Detection sample.

face_detection_yunet_2023mar.onnx is the YuNet face detector from OpenCV Zoo, used by the DNN Face Detection sample; see face_detection_yunet_2023mar.LICENSE (MIT, Copyright (c) 2020 Shiqi Yu).

ESPCN_x4.pb is the 4x ESPCN super-resolution model, used by the Super Resolution sample; see ESPCN_x4.LICENSE (Apache-2.0).

image_classification_mobilenetv2_2022apr.onnx is the MobileNetV2 image classifier from OpenCV Zoo, used by the Image Classification sample; see image_classification_mobilenetv2_2022apr.LICENSE (Apache-2.0). The 1000 ImageNet class labels in ../labels/imagenet1k.txt are extracted from the same model's labelsimagenet1k.h, same license.

text_detection_en_ppocrv3_2023may.onnx is the PP-OCRv3 DB text detector from OpenCV Zoo, used by the Text Detection sample; see text_detection_en_ppocrv3_2023may.LICENSE (Apache-2.0).

object_detection_yolox_2022nov.onnx is the YOLOX object detector from OpenCV Zoo, used by the Object Detection sample; see object_detection_yolox_2022nov.LICENSE (Apache-2.0). The 80 COCO class labels in ../labels/coco80.txt are transcribed from the same model's demo.py, same license.