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	स्व-पर्यवेक्षित वस्तु संसूचन	अर्ध-पर्यवेक्षित वस्तु पहचान (Semi-supervised Object Detection)
क्षेत्र	गहन अधिगम	गहन अधिगम
परिवार	Machine learning	Machine learning
उद्भव वर्ष	2019–2021	2020–2021
प्रवर्तक	He et al. (MoCo); Caron et al. (DINO); Henaff et al. (DetCon)	Sohn et al. (STAC); Liu et al. (Unbiased Teacher)
प्रकार	Self-supervised pre-training + supervised fine-tuning	Semi-supervised learning for detection
मौलिक स्रोत	He, K., Fan, H., Wu, Y., Xie, S., & Girshick, R. (2020). Momentum Contrast for Unsupervised Visual Representation Learning. Proceedings of the IEEE/CVF Conference on Computer Vision and Pattern Recognition (CVPR), 9729–9738.	Sohn, K., Zhang, Z., Li, C.-L., Zhang, H., Lee, C.-Y., & Pfister, T. (2020). A Simple Semi-Supervised Learning Framework for Object Detection. arXiv preprint arXiv:2005.04757.
उपनाम	SSL object detection, self-supervised detection, unsupervised pre-training for detection, contrastive pre-training for detection	SSOD, semi-supervised detection, pseudo-label object detection, label-efficient object detection
संबंधित	4	6
सारांश	Self-supervised object detection uses unlabeled image data to pre-train a visual backbone through pretext tasks such as contrastive learning or masked image modeling, then fine-tunes the backbone with a detection head on a smaller labeled dataset. This approach dramatically reduces reliance on expensive bounding-box annotations while matching or approaching fully supervised detection performance.	Semi-supervised object detection trains a detector on a small labeled image set and a large unlabeled image set. A teacher model generates pseudo-labels for unlabeled images, and a student model learns from both real and pseudo-labeled data, dramatically reducing the expensive manual bounding-box annotation burden while achieving accuracy competitive with fully supervised baselines.