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Event-based semantic segmentation has great potential in autonomous driving and robotics due to the advantages of event cameras, such as high dynamic range, low latency, and low power cost. Unfortunately, current artificial neural network…

Computer Vision and Pattern Recognition · Computer Science 2026-01-01 Xianlei Long , Xiaxin Zhu , Fangming Guo , Wanyi Zhang , Qingyi Gu , Chao Chen , Fuqiang Gu

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

Sparse attention methods exploit the inherent sparsity in attention to speed up the prefilling phase of long-context inference, mitigating the quadratic complexity of full attention computation. While existing sparse attention methods rely…

Machine Learning · Computer Science 2025-05-27 Dan Peng , Zhihui Fu , Zewen Ye , Zhuoran Song , Jun Wang

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

In this paper, we address the scene segmentation task by capturing rich contextual dependencies based on the selfattention mechanism. Unlike previous works that capture contexts by multi-scale features fusion, we propose a Dual Attention…

Computer Vision and Pattern Recognition · Computer Science 2019-04-23 Jun Fu , Jing Liu , Haijie Tian , Yong Li , Yongjun Bao , Zhiwei Fang , Hanqing Lu

This paper presents a new deep neural network design for salient object detection by maximizing the integration of local and global image context within, around, and beyond the salient objects. Our key idea is to adaptively propagate and…

Computer Vision and Pattern Recognition · Computer Science 2020-05-21 Xiaowei Hu , Chi-Wing Fu , Lei Zhu , Tianyu Wang , Pheng-Ann Heng

Spiking Neural Networks (SNNs) have gained significant attention due to their biological plausibility and energy efficiency, making them promising alternatives to Artificial Neural Networks (ANNs). However, the performance gap between SNNs…

Computer Vision and Pattern Recognition · Computer Science 2025-04-30 Tianqing Zhang , Kairong Yu , Xian Zhong , Hongwei Wang , Qi Xu , Qiang Zhang

Semantic segmentation is a challenging task that needs to handle large scale variations, deformations and different viewpoints. In this paper, we develop a novel network named Gated Path Selection Network (GPSNet), which aims to learn…

Computer Vision and Pattern Recognition · Computer Science 2021-02-24 Qichuan Geng , Hong Zhang , Xiaojuan Qi , Ruigang Yang , Zhong Zhou , Gao Huang

Recent works attempt to improve scene parsing performance by exploring different levels of contexts, and typically train a well-designed convolutional network to exploit useful contexts across all pixels equally. However, in this paper, we…

Computer Vision and Pattern Recognition · Computer Science 2019-11-06 Jun Fu , Jing Liu , Yuhang Wang , Yong Li , Yongjun Bao , Jinhui Tang , Hanqing Lu

The precise segmentation of retinal blood vessels is of great significance for early diagnosis of eye-related diseases such as diabetes and hypertension. In this work, we propose a lightweight network named Spatial Attention U-Net (SA-UNet)…

Image and Video Processing · Electrical Eng. & Systems 2020-10-22 Changlu Guo , Márton Szemenyei , Yugen Yi , Wenle Wang , Buer Chen , Changqi Fan

This paper proposes a novel attention model for semantic segmentation, which aggregates multi-scale and context features to refine prediction. Specifically, the skeleton convolutional neural network framework takes in multiple different…

Computer Vision and Pattern Recognition · Computer Science 2018-07-10 Shiqi Yang , Gang Peng

This work proposes a neural network to extensively exploit spatial information for multichannel joint speech separation, denoising and dereverberation, named SpatialNet. In the short-time Fourier transform (STFT) domain, the proposed…

Sound · Computer Science 2023-12-25 Changsheng Quan , Xiaofei Li

We present SparseAttnNet, a new hierarchical attention-driven framework for efficient image classification that adaptively selects and processes only the most informative pixels from images. Traditional convolutional neural networks…

Image and Video Processing · Electrical Eng. & Systems 2025-05-13 Elad Yoshai , Dana Yagoda-Aharoni , Eden Dotan , Natan T. Shaked

The recent integration of attention mechanisms into segmentation networks improves their representational capabilities through a great emphasis on more informative features. However, these attention mechanisms ignore an implicit sub-task of…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Zilong Zhong , Zhong Qiu Lin , Rene Bidart , Xiaodan Hu , Ibrahim Ben Daya , Zhifeng Li , Wei-Shi Zheng , Jonathan Li , Alexander Wong

Long-range contextual information is essential for achieving high-performance semantic segmentation. Previous feature re-weighting methods demonstrate that using global context for re-weighting feature channels can effectively improve the…

Computer Vision and Pattern Recognition · Computer Science 2020-08-27 Jianbo Liu , Junjun He , Jimmy S. Ren , Yu Qiao , Hongsheng Li

In this work, we extend our previously proposed offline SpatialNet for long-term streaming multichannel speech enhancement in both static and moving speaker scenarios. SpatialNet exploits spatial information, such as the spatial/steering…

Sound · Computer Science 2024-06-21 Changsheng Quan , Xiaofei Li

Existing weakly supervised semantic segmentation (WSSS) methods usually utilize the results of pre-trained saliency detection (SD) models without explicitly modeling the connections between the two tasks, which is not the most efficient…

Computer Vision and Pattern Recognition · Computer Science 2019-09-11 Yu Zeng , Yunzhi Zhuge , Huchuan Lu , Lihe Zhang

Monocular depth estimation and semantic segmentation are two fundamental goals of scene understanding. Due to the advantages of task interaction, many works study the joint task learning algorithm. However, most existing methods fail to…

Computer Vision and Pattern Recognition · Computer Science 2021-09-02 Tianxiao Gao , Wu Wei , Zhongbin Cai , Zhun Fan , Shane Xie , Xinmei Wang , Qiuda Yu

We present a technique for adding global context to deep convolutional networks for semantic segmentation. The approach is simple, using the average feature for a layer to augment the features at each location. In addition, we study several…

Computer Vision and Pattern Recognition · Computer Science 2015-11-23 Wei Liu , Andrew Rabinovich , Alexander C. Berg

Sentence-level classification and sequential labeling are two fundamental tasks in language understanding. While these two tasks are usually modeled separately, in reality, they are often correlated, for example in intent classification and…

Computation and Language · Computer Science 2017-10-02 Mingbo Ma , Kai Zhao , Liang Huang , Bing Xiang , Bowen Zhou