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相关论文: Temporal-consistent CAMs for Weakly Supervised Vid…

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Most recent studies on detecting and localizing temporal anomalies have mainly employed deep neural networks to learn the normal patterns of temporal data in an unsupervised manner. Unlike them, the goal of our work is to fully utilize…

计算机视觉与模式识别 · 计算机科学 2021-08-17 Dongha Lee , Sehun Yu , Hyunjun Ju , Hwanjo Yu

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…

计算机视觉与模式识别 · 计算机科学 2022-05-04 Wonho Bae , Junhyug Noh , Milad Jalali Asadabadi , Danica J. Sutherland

Humans have a strong class-agnostic object segmentation ability and can outline boundaries of unknown objects precisely, which motivates us to propose a box-supervised class-agnostic object segmentation (BoxCaseg) based solution for…

计算机视觉与模式识别 · 计算机科学 2021-04-06 Xinggang Wang , Jiapei Feng , Bin Hu , Qi Ding , Longjin Ran , Xiaoxin Chen , Wenyu Liu

Weakly-Supervised Semantic Segmentation (WSSS) aims to train segmentation models using image data with only image-level supervision. Since precise pixel-level annotations are not accessible, existing methods typically focus on producing…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Ci-Siang Lin , Chien-Yi Wang , Yu-Chiang Frank Wang , Min-Hung Chen

Weakly supervised semantic segmentation (WSSS) has gained significant popularity since it relies only on weak labels such as image level annotations rather than pixel level annotations required by supervised semantic segmentation (SSS)…

计算机视觉与模式识别 · 计算机科学 2022-01-19 Kunhao Yuan , Gerald Schaefer , Yu-Kun Lai , Yifan Wang , Xiyao Liu , Lin Guan , Hui Fang

In weakly-supervised semantic segmentation (WSSS) using only image-level class labels, a problem with CNN-based Class Activation Maps (CAM) is that they tend to activate the most discriminative local regions of objects. On the other hand,…

计算机视觉与模式识别 · 计算机科学 2024-04-10 Izumi Fujimori , Masaki Oono , Masami Shishibori

The essence of video semantic segmentation (VSS) is how to leverage temporal information for prediction. Previous efforts are mainly devoted to developing new techniques to calculate the cross-frame affinities such as optical flow and…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Guolei Sun , Yun Liu , Hao Tang , Ajad Chhatkuli , Le Zhang , Luc Van Gool

This paper studies the problem of learning semantic segmentation from image-level supervision only. Current popular solutions leverage object localization maps from classifiers as supervision signals, and struggle to make the localization…

计算机视觉与模式识别 · 计算机科学 2020-07-09 Guolei Sun , Wenguan Wang , Jifeng Dai , Luc Van Gool

We propose weakly supervised language localization networks (WSLLN) to detect events in long, untrimmed videos given language queries. To learn the correspondence between visual segments and texts, most previous methods require temporal…

计算机视觉与模式识别 · 计算机科学 2019-09-04 Mingfei Gao , Larry S. Davis , Richard Socher , Caiming Xiong

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…

计算机视觉与模式识别 · 计算机科学 2026-03-26 Lianghui Zhu , Yingyue Li , Jiemin Fang , Yan Liu , Hao Xin , Wenyu Liu , Xinggang Wang

Weakly supervised learning has emerged as an appealing alternative to alleviate the need for large labeled datasets in semantic segmentation. Most current approaches exploit class activation maps (CAMs), which can be generated from…

计算机视觉与模式识别 · 计算机科学 2022-01-17 Gaurav Patel , Jose Dolz

The current main stream methods formulate their video saliency mainly from two independent venues, i.e., the spatial and temporal branches. As a complementary component, the main task for the temporal branch is to intermittently focus the…

计算机视觉与模式识别 · 计算机科学 2021-04-21 Chenglizhao Chen , Guotao Wang , Chong Peng , Dingwen Zhang , Yuming Fang , Hong Qin

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…

计算机视觉与模式识别 · 计算机科学 2022-03-01 Jun Ikeda , Junichiro Mori

Class activation maps (CAMs) are commonly employed in weakly supervised semantic segmentation (WSSS) to produce pseudo-labels. Due to incomplete or excessive class activation, existing studies often resort to offline CAM refinement,…

计算机视觉与模式识别 · 计算机科学 2024-07-11 Xinyu Yang , Hossein Rahmani , Sue Black , Bryan M. Williams

Video Object Segmentation, and video processing in general, has been historically dominated by methods that rely on the temporal consistency and redundancy in consecutive video frames. When the temporal smoothness is suddenly broken, such…

计算机视觉与模式识别 · 计算机科学 2018-05-17 Kevis-Kokitsi Maninis , Sergi Caelles , Yuhua Chen , Jordi Pont-Tuset , Laura Leal-Taixé , Daniel Cremers , Luc Van Gool

Tissue semantic segmentation is one of the key tasks in computational pathology. To avoid the expensive and laborious acquisition of pixel-level annotations, a wide range of studies attempt to adopt the class activation map (CAM), a…

计算机视觉与模式识别 · 计算机科学 2024-12-31 Zijie Fang , Yifeng Wang , Peizhang Xie , Zhi Wang , Yongbing Zhang

Although convolutional neural networks (CNNs) have achieved remarkable progress in weakly supervised semantic segmentation (WSSS), the effective receptive field of CNN is insufficient to capture global context information, leading to…

计算机视觉与模式识别 · 计算机科学 2022-03-17 Chunmeng Liu , Enze Xie , Wenjia Wang , Wenhai Wang , Guangyao Li , Ping Luo

It is generally accepted that one of the critical parts of current vision algorithms based on deep learning and convolutional neural networks is the annotation of a sufficient number of images to achieve competitive performance. This is…

计算机视觉与模式识别 · 计算机科学 2021-03-05 Kai Yao , Alberto Ortiz , Francisco Bonnin-Pascual

The role of long- and short-term dynamics towards salient object detection in videos is under-researched. We present a Transformer-based approach to learn a joint representation of video frames and past saliency information. Our model…

计算机视觉与模式识别 · 计算机科学 2025-04-09 Theodor Wulff , Fares Abawi , Philipp Allgeuer , Stefan Wermter

We propose a novel solution for semi-supervised video object segmentation. By the nature of the problem, available cues (e.g. video frame(s) with object masks) become richer with the intermediate predictions. However, the existing methods…

计算机视觉与模式识别 · 计算机科学 2019-08-13 Seoung Wug Oh , Joon-Young Lee , Ning Xu , Seon Joo Kim