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Weakly-supervised image segmentation (WSIS) is a critical task in computer vision that relies on image-level class labels. Multi-stage training procedures have been widely used in existing WSIS approaches to obtain high-quality pseudo-masks…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Chunyan Wang , Dong Zhang , Rui Yan

Providing pixel-level supervisions for scene text segmentation is inherently difficult and costly, so that only few small datasets are available for this task. To face the scarcity of training data, previous approaches based on…

Computer Vision and Pattern Recognition · Computer Science 2020-06-30 Simone Bonechi , Paolo Andreini , Monica Bianchini , Franco Scarselli

Video scene parsing incorporates temporal information, which can enhance the consistency and accuracy of predictions compared to image scene parsing. The added temporal dimension enables a more comprehensive understanding of the scene,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-07 Min Yan , Qianxiong Ning , Qian Wang

In this paper, we introduce a novel learning scheme named weakly semi-supervised instance segmentation (WSSIS) with point labels for budget-efficient and high-performance instance segmentation. Namely, we consider a dataset setting…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Beomyoung Kim , Joonhyun Jeong , Dongyoon Han , Sung Ju Hwang

Event cameras are bio-inspired sensors that output asynchronous and sparse event streams, instead of fixed frames. Benefiting from their distinct advantages, such as high dynamic range and high temporal resolution, event cameras have been…

Computer Vision and Pattern Recognition · Computer Science 2024-09-23 Zixin Zhang , Kanghao Chen , Lin Wang

Localizing functional regions of objects or affordances is an important aspect of scene understanding. In this work, we cast the problem of affordance segmentation as that of semantic image segmentation. In order to explore various levels…

Computer Vision and Pattern Recognition · Computer Science 2016-08-01 Abhilash Srikantha , Juergen Gall

This paper proposes an approach to Dense Video Captioning (DVC) without pairwise event-sentence annotation. First, we adopt the knowledge distilled from relevant and well solved tasks to generate high-quality event proposals. Then we…

Computer Vision and Pattern Recognition · Computer Science 2021-05-19 Bofeng Wu , Guocheng Niu , Jun Yu , Xinyan Xiao , Jian Zhang , Hua Wu

Weakly supervised semantic segmentation aims to achieve pixel-level predictions using image-level labels. Existing methods typically entangle semantic recognition and object localization, which often leads models to focus exclusively on…

Computer Vision and Pattern Recognition · Computer Science 2026-04-17 Qingze He , Fagui Liu , Dengke Zhang , Qingmao Wei , Quan Tang

Despite the great progress made by deep neural networks in the semantic segmentation task, traditional neural-networkbased methods typically suffer from a shortage of large amounts of pixel-level annotations. Recent progress in fewshot…

Computer Vision and Pattern Recognition · Computer Science 2021-06-21 Shuo Lei , Xuchao Zhang , Jianfeng He , Fanglan Chen , Chang-Tien Lu

Increasing attention is being diverted to data-efficient problem settings like Open Vocabulary Semantic Segmentation (OVSS) which deals with segmenting an arbitrary object that may or may not be seen during training. The closest standard…

Computer Vision and Pattern Recognition · Computer Science 2023-03-01 Prashant Pandey , Mustafa Chasmai , Monish Natarajan , Brejesh Lall

Obtaining pixel-level annotations over large spatial extents remains a major bottleneck for deploying machine learning in ecological applications. Here we present a multi-scale weakly supervised semantic segmentation (WSSS) framework that…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Matteo Contini , Victor Illien , Sylvain Poulain , Serge Bernard , Julien Barde , Sylvain Bonhommeau , Alexis Joly

As a critical clue of video super-resolution (VSR), inter-frame alignment significantly impacts overall performance. However, accurate pixel-level alignment is a challenging task due to the intricate motion interweaving in the video. In…

Computer Vision and Pattern Recognition · Computer Science 2024-01-22 Qi Tang , Yao Zhao , Meiqin Liu , Jian Jin , Chao Yao

Neuromorphic event cameras possess superior temporal resolution, power efficiency, and dynamic range compared to traditional cameras. However, their asynchronous and sparse data format poses a significant challenge for conventional deep…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Wei Fang , Priyadarshini Panda

In this paper we propose a novel learning framework called Supervised and Weakly Supervised Learning where the goal is to learn simultaneously from weakly and strongly labeled data. Strongly labeled data can be simply understood as fully…

Machine Learning · Computer Science 2017-02-21 Anurag Kumar , Bhiksha Raj

In contrast to traditional cameras, whose pixels have a common exposure time, event-based cameras are novel bio-inspired sensors whose pixels work independently and asynchronously output intensity changes (called "events"), with microsecond…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Timo Stoffregen , Guillermo Gallego , Tom Drummond , Lindsay Kleeman , Davide Scaramuzza

Transformer has been very successful in various computer vision tasks and understanding the working mechanism of transformer is important. As touchstones, weakly-supervised semantic segmentation (WSSS) and class activation map (CAM) are…

Computer Vision and Pattern Recognition · Computer Science 2026-03-26 Lianghui Zhu , Yingyue Li , Jiemin Fang , Yan Liu , Hao Xin , Wenyu Liu , Xinggang Wang

Event cameras provide robust visual signals under fast motion and challenging illumination conditions thanks to their microsecond latency and high dynamic range. However, their unique sensing characteristics and limited labeled data make it…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Jianwen Cao , Jiaxu Xing , Nico Messikommer , Davide Scaramuzza

Audio Event Detection is an important task for content analysis of multimedia data. Most of the current works on detection of audio events is driven through supervised learning approaches. We propose a weakly supervised learning framework…

Sound · Computer Science 2016-06-14 Anurag Kumar , Bhiksha Raj

Weakly-supervised instance segmentation (WSIS) has been considered as a more challenging task than weakly-supervised semantic segmentation (WSSS). Compared to WSSS, WSIS requires instance-wise localization, which is difficult to extract…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Beomyoung Kim , Youngjoon Yoo , Chaeeun Rhee , Junmo Kim

Event-based cameras are bio-inspired novel sensors that asynchronously record changes in illumination in the form of events, thus resulting in significant advantages over conventional cameras in terms of low power utilization, high dynamic…

Machine Learning · Statistics 2020-02-18 Lakshmi Annamalai , Anirban Chakraborty , Chetan Singh Thakur