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Related papers: LOOC: Localize Overlapping Objects with Count Supe…

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The increase in data collection has made data annotation an interesting and valuable task in the contemporary world. This paper presents a new methodology for quickly annotating data using click-supervision and hierarchical object…

Machine Learning · Computer Science 2018-10-02 Adithya Subramanian , Anbumani Subramanian

Object detection is a pivotal task in computer vision that has received significant attention in previous years. Nonetheless, the capability of a detector to localise objects out of the training distribution remains unexplored. Whilst…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Brian K. S. Isaac-Medina , Yona Falinie A. Gaus , Neelanjan Bhowmik , Toby P. Breckon

Co-localization is the problem of localizing objects of the same class using only the set of images that contain them. This is a challenging task because the object detector must be built without negative examples that can lead to more…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Hieu Le , Chen-Ping Yu , Gregory Zelinsky , Dimitris Samaras

In this paper, we address the problem of detecting small, dense, and overlapping objects, a major challenge in computer vision. Our focus is on reviewing proposed methods based on deep learning supervised approaches. We provide a detailed…

Computer Vision and Pattern Recognition · Computer Science 2026-05-27 Oussama Messai , Abbass Zein-Eddine , Abdelouahid Bentamou , Mickael Picq , Nicolas Duquesne , Stéphane Puydarrieux , Yann Gavet

Diffusion models excel at photorealistic synthesis but struggle with precise object counts, especially in high-density settings. We introduce COUNTLOOP, a training-free framework that achieves precise instance control through iterative,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Anindya Mondal , Ayan Banerjee , Sauradip Nag , Josep Llados , Xiatian Zhu , Anjan Dutta

This paper reports a new solution of leveraging temporal classification to support weakly supervised object detection (WSOD). Specifically, we introduce raster scan-order techniques to serialize 2D images into 1D sequence data, and then…

Computer Vision and Pattern Recognition · Computer Science 2021-03-10 Chia-Yu Hsu , Wenwen Li

Object localisation, in the context of regular images, often depicts objects like people or cars. In these images, there is typically a relatively small number of objects per class, which usually is manageable to annotate. However, outside…

Machine Learning · Computer Science 2021-08-24 Andreas Panteli , Jonas Teuwen , Hugo Horlings , Efstratios Gavves

The status quo approach to training object detectors requires expensive bounding box annotations. Our framework takes a markedly different direction: we transfer tracked object boxes from weakly-labeled videos to weakly-labeled images to…

Computer Vision and Pattern Recognition · Computer Science 2016-04-21 Krishna Kumar Singh , Fanyi Xiao , Yong Jae Lee

Human object interaction (HOI) detection is an important task in image understanding and reasoning. It is in a form of HOI triplet <human; verb; object>, requiring bounding boxes for human and object, and action between them for the task…

Computer Vision and Pattern Recognition · Computer Science 2020-11-13 Suresh Kirthi Kumaraswamy , Miaojing Shi , Ewa Kijak

To learn a reliable people counter from crowd images, head center annotations are normally required. Annotating head centers is however a laborious and tedious process in dense crowds. In this paper, we present an active learning framework…

Computer Vision and Pattern Recognition · Computer Science 2020-07-16 Zhen Zhao , Miaojing Shi , Xiaoxiao Zhao , Li Li

Knowledge about the locations of keypoints of an object in an image can assist in fine-grained classification and identification tasks, particularly for the case of objects that exhibit large variations in poses that greatly influence their…

Computer Vision and Pattern Recognition · Computer Science 2021-01-21 Olga Moskvyak , Frederic Maire , Feras Dayoub , Mahsa Baktashmotlagh

We consider low-shot counting of arbitrary semantic categories in the image using only few annotated exemplars (few-shot) or no exemplars (no-shot). The standard few-shot pipeline follows extraction of appearance queries from exemplars and…

Computer Vision and Pattern Recognition · Computer Science 2023-09-29 Nikola Djukic , Alan Lukezic , Vitjan Zavrtanik , Matej Kristan

Object detectors usually achieve promising results with the supervision of complete instance annotations. However, their performance is far from satisfactory with sparse instance annotations. Most existing methods for sparsely annotated…

Computer Vision and Pattern Recognition · Computer Science 2021-10-15 Tiancai Wang , Tong Yang , Jiale Cao , Xiangyu Zhang

The Audio-Visual Video Parsing task aims to identify and temporally localize the events that occur in either or both the audio and visual streams of audible videos. It often performs in a weakly-supervised manner, where only video event…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Jinxing Zhou , Dan Guo , Yiran Zhong , Meng Wang

Continual Learning (CL) aims to learn new data while remembering previously acquired knowledge. In contrast to CL for image classification, CL for Object Detection faces additional challenges such as the missing annotations problem. In this…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 Riccardo De Monte , Davide Dalle Pezze , Marina Ceccon , Francesco Pasti , Francesco Paissan , Elisabetta Farella , Gian Antonio Susto , Nicola Bellotto

We address the problem of weakly supervised object localization where only image-level annotations are available for training object detectors. Numerous methods have been proposed to tackle this problem through mining object proposals.…

Computer Vision and Pattern Recognition · Computer Science 2017-10-13 Dong Li , Jia-Bin Huang , Yali Li , Shengjin Wang , Ming-Hsuan Yang

We introduce Logical Offline Cycle Consistency Optimization (LOCCO), a scalable, semi-supervised method for training a neural semantic parser. Conceptually, LOCCO can be viewed as a form of self-learning where the semantic parser being…

Computation and Language · Computer Science 2023-06-01 Maxwell Crouse , Ramon Astudillo , Tahira Naseem , Subhajit Chaudhury , Pavan Kapanipathi , Salim Roukos , Alexander Gray

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

We present a novel vision-language prompt learning approach for few-shot out-of-distribution (OOD) detection. Few-shot OOD detection aims to detect OOD images from classes that are unseen during training using only a few labeled…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Atsuyuki Miyai , Qing Yu , Go Irie , Kiyoharu Aizawa

Despite significant advances in generic object detection, a persistent performance gap remains for tiny objects compared to normal-scale objects. We demonstrate that tiny objects are highly sensitive to annotation noise, where optimizing…

Computer Vision and Pattern Recognition · Computer Science 2026-01-05 Huixin Sun , Linlin Yang , Ronyu Chen , Kerui Gu , Baochang Zhang , Angela Yao , Xianbin Cao