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Related papers: Segmentation is All You Need

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Semantic segmentation based on sparse annotation has advanced in recent years. It labels only part of each object in the image, leaving the remainder unlabeled. Most of the existing approaches are time-consuming and often necessitate a…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Hui Su , Yue Ye , Wei Hua , Lechao Cheng , Mingli Song

In this work, we present a novel and effective framework to facilitate object detection with the instance-level segmentation information that is only supervised by bounding box annotation. Starting from the joint object detection and…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Xiangyun Zhao , Shuang Liang , Yichen Wei

Learning a data-driven spatio-temporal semantic representation of the objects is the key to coherent and consistent labelling in video. This paper proposes to achieve semantic video object segmentation by learning a data-driven…

Computer Vision and Pattern Recognition · Computer Science 2024-07-09 Tinghuai Wang

Audio-Visual Semantic Segmentation (AVSS) aligns audio and video at the pixel level but requires costly per-frame annotations. We introduce Weakly Supervised Audio-Visual Semantic Segmentation (WSAVSS), which uses only video-level labels to…

Multimedia · Computer Science 2026-03-24 Chengzhi Li , Heyan Huang , Ping Jian , Yanghao Zhou

We study the problem of weakly semi-supervised object detection with points (WSSOD-P), where the training data is combined by a small set of fully annotated images with bounding boxes and a large set of weakly-labeled images with only a…

Computer Vision and Pattern Recognition · Computer Science 2022-05-13 Shilong Zhang , Zhuoran Yu , Liyang Liu , Xinjiang Wang , Aojun Zhou , Kai Chen

Weakly supervised semantic segmentation (WSSS) trains dense pixel-level segmentation models from partial or coarse annotations such as bounding boxes, scribbles, or image-level tags. While recent work leverages foundation models such as the…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Stefano Colamonaco , Andrei-Bogdan Florea , Jaron Maene

Fine-grained recognition is a challenging task due to the small intra-category variances. Most of top-performing fine-grained recognition methods leverage parts of objects for better performance. Therefore, part annotations which are…

Computer Vision and Pattern Recognition · Computer Science 2017-08-24 Long Chen , Junyu Dong , ShengKe Wang , Kin-Man Lam , Muwei Jian , Hua Zhang , XiaoChun Cao

Current state-of-the-art (SOTA) 3D object detection methods often require a large amount of 3D bounding box annotations for training. However, collecting such large-scale densely-supervised datasets is notoriously costly. To reduce the…

Computer Vision and Pattern Recognition · Computer Science 2026-02-12 Chenqiang Gao , Chuandong Liu , Jun Shu , Fangcen Liu , Jiang Liu , Luyu Yang , Xinbo Gao , Deyu Meng

This paper explores object detection in the small data regime, where only a limited number of annotated bounding boxes are available due to data rarity and annotation expense. This is a common challenge today with machine learning being…

Computer Vision and Pattern Recognition · Computer Science 2019-10-17 Lanlan Liu , Michael Muelly , Jia Deng , Tomas Pfister , Li-Jia Li

Weakly supervised instance segmentation has gained popularity because it reduces high annotation cost of pixel-level masks required for model training. Recent approaches for weakly supervised instance segmentation detect and segment objects…

Computer Vision and Pattern Recognition · Computer Science 2022-03-01 Jun Ikeda , Junichiro Mori

The Segmentation Anything Model (SAM) requires labor-intensive data labeling. We present Unsupervised SAM (UnSAM) for promptable and automatic whole-image segmentation that does not require human annotations. UnSAM utilizes a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-01 XuDong Wang , Jingfeng Yang , Trevor Darrell

It is laborious to manually label point cloud data for training high-quality 3D object detectors. This work proposes a weakly supervised approach for 3D object detection, only requiring a small set of weakly annotated scenes, associated…

Computer Vision and Pattern Recognition · Computer Science 2020-07-24 Qinghao Meng , Wenguan Wang , Tianfei Zhou , Jianbing Shen , Luc Van Gool , Dengxin Dai

We introduce the problem of weakly supervised Multi-Object Tracking and Segmentation, i.e. joint weakly supervised instance segmentation and multi-object tracking, in which we do not provide any kind of mask annotation. To address it, we…

Computer Vision and Pattern Recognition · Computer Science 2021-01-05 Idoia Ruiz , Lorenzo Porzi , Samuel Rota Bulò , Peter Kontschieder , Joan Serrat

Weakly-Supervised Object Detection (WSOD) and Localization (WSOL), i.e., detecting multiple and single instances with bounding boxes in an image using image-level labels, are long-standing and challenging tasks in the CV community. With the…

Computer Vision and Pattern Recognition · Computer Science 2021-05-27 Feifei Shao , Long Chen , Jian Shao , Wei Ji , Shaoning Xiao , Lu Ye , Yueting Zhuang , Jun Xiao

A crucial task in scene understanding is 3D object detection, which aims to detect and localize the 3D bounding boxes of objects belonging to specific classes. Existing 3D object detectors heavily rely on annotated 3D bounding boxes during…

Computer Vision and Pattern Recognition · Computer Science 2020-07-29 Zengyi Qin , Jinglu Wang , Yan Lu

We present Seg-R1, a preliminary exploration of using reinforcement learning (RL) to enhance the pixel-level understanding and reasoning capabilities of large multimodal models (LMMs). Starting with foreground segmentation tasks,…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Zuyao You , Zuxuan Wu

Few-shot segmentation aims to segment unseen object categories from just a handful of annotated examples. This requires mechanisms that can both identify semantically related objects across images and accurately produce segmentation masks.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Claudia Cuttano , Gabriele Trivigno , Giuseppe Averta , Carlo Masone

Weakly supervised segmentation is an important problem in medical image analysis due to the high cost of pixelwise annotation. Prior methods, while often focusing on weak labels of 2D images, exploit few structural cues of volumetric…

Computer Vision and Pattern Recognition · Computer Science 2021-05-07 Qian He , Shuailin Li , Xuming He

Weakly Supervised Object Detection (WSOD) has emerged as an effective tool to train object detectors using only the image-level category labels. However, without object-level labels, WSOD detectors are prone to detect bounding boxes on…

Computer Vision and Pattern Recognition · Computer Science 2020-10-26 Zeyi Huang , Yang Zou , Vijayakumar Bhagavatula , Dong Huang

Existing CNNs-based salient object detection (SOD) heavily depends on the large-scale pixel-level annotations, which is labor-intensive, time-consuming, and expensive. By contrast, the sparse annotations become appealing to the salient…

Computer Vision and Pattern Recognition · Computer Science 2022-02-09 Zhou Huang , Tian-Zhu Xiang , Huai-Xin Chen , Hang Dai
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