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Related papers: Enhancing Object Discovery for Unsupervised Instan…

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We propose Cut-and-LEaRn (CutLER), a simple approach for training unsupervised object detection and segmentation models. We leverage the property of self-supervised models to 'discover' objects without supervision and amplify it to train a…

Computer Vision and Pattern Recognition · Computer Science 2023-01-27 Xudong Wang , Rohit Girdhar , Stella X. Yu , Ishan Misra

In this paper, we introduce VoteCut, an innovative method for unsupervised object discovery that leverages feature representations from multiple self-supervised models. VoteCut employs normalized-cut based graph partitioning, clustering and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Shahaf Arica , Or Rubin , Sapir Gershov , Shlomi Laufer

This paper presents a weakly-supervised approach to object instance segmentation. Starting with known or predicted object bounding boxes, we learn object masks by playing a game of cut-and-paste in an adversarial learning setup. A mask…

Computer Vision and Pattern Recognition · Computer Science 2018-03-20 Tal Remez , Jonathan Huang , Matthew Brown

Unsupervised object discovery aims to localize objects in images, while removing the dependence on annotations required by most deep learning-based methods. To address this problem, we propose a fully unsupervised, bottom-up approach, for…

Computer Vision and Pattern Recognition · Computer Science 2022-12-21 Sandra Kara , Hejer Ammar , Florian Chabot , Quoc-Cuong Pham

We study the challenging problem of unsupervised multi-object segmentation on single images. Existing methods, which rely on image reconstruction objectives to learn objectness or leverage pretrained image features to group similar pixels,…

Computer Vision and Pattern Recognition · Computer Science 2025-06-03 Yafei Yang , Zihui Zhang , Bo Yang

Continual learning allows a model to learn multiple tasks sequentially while retaining the old knowledge without the training data of the preceding tasks. This paper extends the scope of continual learning research to class-incremental…

Computer Vision and Pattern Recognition · Computer Science 2023-10-06 Zhizheng Liu , Mattia Segu , Fisher Yu

In this paper, we show that recent advances in self-supervised feature learning enable unsupervised object discovery and semantic segmentation with a performance that matches the state of the field on supervised semantic segmentation 10…

Computer Vision and Pattern Recognition · Computer Science 2023-05-02 Andrii Zadaianchuk , Matthaeus Kleindessner , Yi Zhu , Francesco Locatello , Thomas Brox

Class-agnostic counting (CAC) has numerous potential applications across various domains. The goal is to count objects of an arbitrary category during testing, based on only a few annotated exemplars. In this paper, we point out that the…

Computer Vision and Pattern Recognition · Computer Science 2023-07-18 Jingyi Xu , Hieu Le , Dimitris Samaras

When supervising an object detector with weakly labeled data, most existing approaches are prone to trapping in the discriminative object parts, e.g., finding the face of a cat instead of the full body, due to lacking the supervision on the…

Computer Vision and Pattern Recognition · Computer Science 2017-11-28 Siyang Li , Xiangxin Zhu , Qin Huang , Hao Xu , C. -C. Jay Kuo

In this paper, we propose an end-to-end framework for instance segmentation. Based on the recently introduced DETR [1], our method, termed SOLQ, segments objects by learning unified queries. In SOLQ, each query represents one object and has…

Computer Vision and Pattern Recognition · Computer Science 2021-10-01 Bin Dong , Fangao Zeng , Tiancai Wang , Xiangyu Zhang , Yichen Wei

The need to count and localize repeating objects in an image arises in different scenarios, such as biological microscopy studies, production lines inspection, and surveillance recordings analysis. The use of supervised Convoutional Neural…

Computer Vision and Pattern Recognition · Computer Science 2021-11-17 Inbar Huberman-Spiegelglas , Raanan Fattal

We study the problem of unsupervised discovery and segmentation of object parts, which, as an intermediate local representation, are capable of finding intrinsic object structure and providing more explainable recognition results. Recent…

Computer Vision and Pattern Recognition · Computer Science 2021-05-27 Shilong Liu , Lei Zhang , Xiao Yang , Hang Su , Jun Zhu

Unsupervised instance segmentation aims to segment distinct object instances in an image without relying on human-labeled data. This field has recently seen significant advancements, partly due to the strong local correspondences afforded…

Computer Vision and Pattern Recognition · Computer Science 2024-09-30 Dylan Li , Gyungin Shin

Unsupervised 3D object detection methods have emerged to leverage vast amounts of data without requiring manual labels for training. Recent approaches rely on dynamic objects for learning to detect mobile objects but penalize the detections…

Computer Vision and Pattern Recognition · Computer Science 2025-02-20 Ted Lentsch , Holger Caesar , Dariu M. Gavrila

Learning object segmentation in image and video datasets without human supervision is a challenging problem. Humans easily identify moving salient objects in videos using the gestalt principle of common fate, which suggests that what moves…

Computer Vision and Pattern Recognition · Computer Science 2023-12-05 Silky Singh , Shripad Deshmukh , Mausoom Sarkar , Balaji Krishnamurthy

Despite the importance of unsupervised object detection, to the best of our knowledge, there is no previous work addressing this problem. One main issue, widely known to the community, is that object boundaries derived only from 2D image…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Hao Tian , Yuntao Chen , Jifeng Dai , Zhaoxiang Zhang , Xizhou Zhu

Recent advances in self-supervised visual representation learning have paved the way for unsupervised methods tackling tasks such as object discovery and instance segmentation. However, discovering objects in an image with no supervision is…

Computer Vision and Pattern Recognition · Computer Science 2023-03-30 Oriane Siméoni , Chloé Sekkat , Gilles Puy , Antonin Vobecky , Éloi Zablocki , Patrick Pérez

When an object detector is deployed in a novel setting it often experiences a drop in performance. This paper studies how an embodied agent can automatically fine-tune a pre-existing object detector while exploring and acquiring images in a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-31 Gianluca Scarpellini , Stefano Rosa , Pietro Morerio , Lorenzo Natale , Alessio Del Bue

Detecting novel objects from few examples has become an emerging topic in computer vision recently. However, these methods need fully annotated training images to learn new object categories which limits their applicability in real world…

Computer Vision and Pattern Recognition · Computer Science 2021-03-29 Amirreza Shaban , Amir Rahimi , Thalaiyasingam Ajanthan , Byron Boots , Richard Hartley

Unsupervised pixel-level video understanding remains challenging in real-world scenarios, where motion blur, occlusion, and fast object dynamics often cause temporal drift and flickering pseudo-labels.We propose VVitCutLER, an unsupervised…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Zhijing Lu , Khurram Azeem Hashmi , Didier Stricker , Muhammad Zeshan Afzal
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