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Weakly supervised semantic segmentation (WSSS), which aims to mine the object regions by merely using class-level labels, is a challenging task in computer vision. The current state-of-the-art CNN-based methods usually adopt…

Computer Vision and Pattern Recognition · Computer Science 2022-10-03 Dongjian Huo , Yukun Su , Qingyao Wu

Semi-weakly supervised semantic segmentation (SWSSS) aims to train a model to identify objects in images based on a small number of images with pixel-level labels, and many more images with only image-level labels. Most existing SWSSS…

Computer Vision and Pattern Recognition · Computer Science 2022-05-04 Wonho Bae , Junhyug Noh , Milad Jalali Asadabadi , Danica J. Sutherland

Semantic segmentation of point cloud usually relies on dense annotation that is exhausting and costly, so it attracts wide attention to investigate solutions for the weakly supervised scheme with only sparse points annotated. Existing works…

Computer Vision and Pattern Recognition · Computer Science 2023-12-11 Yushuang Wu , Zizheng Yan , Shengcai Cai , Guanbin Li , Yizhou Yu , Xiaoguang Han , Shuguang Cui

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

Segmenting and recognizing diverse object parts is crucial in computer vision and robotics. Despite significant progress in object segmentation, part-level segmentation remains underexplored due to complex boundaries and scarce annotated…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Xinjian Wu , Ruisong Zhang , Jie Qin , Shijie Ma , Cheng-Lin Liu

To minimize the annotation costs associated with the training of semantic segmentation models, researchers have extensively investigated weakly-supervised segmentation approaches. In the current weakly-supervised segmentation methods, the…

Computer Vision and Pattern Recognition · Computer Science 2019-11-13 Wataru Shimoda , Keiji Yanai

Few-shot semantic segmentation (FSS) offers immense potential in the field of medical image analysis, enabling accurate object segmentation with limited training data. However, existing FSS techniques heavily rely on annotated semantic…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Sanaz Karimijafarbigloo , Reza Azad , Dorit Merhof

When one wants to train a neural network to perform semantic segmentation, creating pixel-level annotations for each of the images in the database is a tedious task. If he works with aerial or satellite images, which are usually very large,…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Adrien Nivaggioli , Hicham Randrianarivo

Class-incremental semantic image segmentation assumes multiple model updates, each enriching the model to segment new categories. This is typically carried out by providing expensive pixel-level annotations to the training algorithm for all…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Subhankar Roy , Riccardo Volpi , Gabriela Csurka , Diane Larlus

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

Event cameras are bio-inspired, motion-activated sensors that demonstrate substantial potential in handling challenging situations, such as motion blur and high-dynamic range. In this paper, we proposed EVI-SAM to tackle the problem of 6…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Weipeng Guan , Peiyu Chen , Huibin Zhao , Yu Wang , Peng Lu

Semantic segmentation is a critical step in automated image interpretation and analysis where pixels are classified into one or more predefined semantically meaningful classes. Deep learning approaches for semantic segmentation rely on…

Computer Vision and Pattern Recognition · Computer Science 2023-07-10 Tushar Kataria , Beatrice Knudsen , Shireen Elhabian

The estimation of implicit cross-frame correspondences and the high computational cost have long been major challenges in video semantic segmentation (VSS) for driving scenes. Prior works utilize keyframes, feature propagation, or…

Computer Vision and Pattern Recognition · Computer Science 2024-04-29 Diandian Guo , Deng-Ping Fan , Tongyu Lu , Christos Sakaridis , Luc Van Gool

Frame-level micro- and macro-expression spotting methods require time-consuming frame-by-frame observation during annotation. Meanwhile, video-level spotting lacks sufficient information about the location and number of expressions during…

Computer Vision and Pattern Recognition · Computer Science 2024-03-22 Wang-Wang Yu , Xian-Shi Zhang , Fu-Ya Luo , Yijun Cao , Kai-Fu Yang , Hong-Mei Yan , Yong-Jie Li

Instance segmentation is a fundamental research in computer vision, especially in autonomous driving. However, manual mask annotation for instance segmentation is quite time-consuming and costly. To address this problem, some prior works…

Computer Vision and Pattern Recognition · Computer Science 2023-12-19 Guangfeng Jiang , Jun Liu , Yuzhi Wu , Wenlong Liao , Tao He , Pai Peng

Weakly supervised semantic segmentation (WSSS) using only image-level labels can greatly reduce the annotation cost and therefore has attracted considerable research interest. However, its performance is still inferior to the fully…

Computer Vision and Pattern Recognition · Computer Science 2020-01-14 Qi Yao , Xiaojin Gong

Weakly supervised video object segmentation (WSVOS) enables the identification of segmentation maps without requiring an extensive training dataset of object masks, relying instead on coarse video labels indicating object presence. Current…

Computer Vision and Pattern Recognition · Computer Science 2024-11-04 Guiqiu Liao , Matjaz Jogan , Sai Koushik , Eric Eaton , Daniel A. Hashimoto

Nuclei segmentation is a fundamental task in histopathology image analysis. Typically, such segmentation tasks require significant effort to manually generate accurate pixel-wise annotations for fully supervised training. To alleviate such…

Computer Vision and Pattern Recognition · Computer Science 2020-07-13 Hui Qu , Pengxiang Wu , Qiaoying Huang , Jingru Yi , Zhennan Yan , Kang Li , Gregory M. Riedlinger , Subhajyoti De , Shaoting Zhang , Dimitris N. Metaxas

Semantic segmentation is an important and prevalent task, but severely suffers from the high cost of pixel-level annotations when extending to more classes in wider applications. To this end, we focus on the problem named weak-shot semantic…

Computer Vision and Pattern Recognition · Computer Science 2022-10-06 Junjie Chen , Li Niu , Siyuan Zhou , Jianlou Si , Chen Qian , Liqing Zhang

Semantic segmentation is a task that traditionally requires a large dataset of pixel-level ground truth labels, which is time-consuming and expensive to obtain. Recent advancements in the weakly-supervised setting show that reasonable…

Computer Vision and Pattern Recognition · Computer Science 2020-11-10 Erik Stammes , Tom F. H. Runia , Michael Hofmann , Mohsen Ghafoorian