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This paper presents a novel keypoints-based attention mechanism for visual recognition in still images. Deep Convolutional Neural Networks (CNNs) for recognizing images with distinctive classes have shown great success, but their…

Computer Vision and Pattern Recognition · Computer Science 2021-10-26 Asish Bera , Zachary Wharton , Yonghuai Liu , Nik Bessis , Ardhendu Behera

Convolutional neural networks (CNNs) have been shown to be state-of-the-art models for visual cortical neurons. Cortical neurons in the primary visual cortex are sensitive to contextual information mediated by extensive horizontal and…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Isaac Lin , Tianye Wang , Shang Gao , Shiming Tang , Tai Sing Lee

We introduce an approach to integrate segmentation information within a convolutional neural network (CNN). This counter-acts the tendency of CNNs to smooth information across regions and increases their spatial precision. To obtain…

Computer Vision and Pattern Recognition · Computer Science 2017-08-16 Adam W. Harley , Konstantinos G. Derpanis , Iasonas Kokkinos

The complexity of scene parsing grows with the number of object and scene classes, which is higher in unrestricted open scenes. The biggest challenge is to model the spatial relation between scene elements while succeeding in identifying…

Computer Vision and Pattern Recognition · Computer Science 2024-07-26 Vivek Singh , Shailza Sharma , Fabio Cuzzolin

Accurate medical image segmentation is essential for diagnosis and treatment planning of diseases. Convolutional Neural Networks (CNNs) have achieved state-of-the-art performance for automatic medical image segmentation. However, they are…

Image and Video Processing · Electrical Eng. & Systems 2020-11-05 Ran Gu , Guotai Wang , Tao Song , Rui Huang , Michael Aertsen , Jan Deprest , Sébastien Ourselin , Tom Vercauteren , Shaoting Zhang

Spiking Neural Networks (SNNs) provide an energy-efficient way to extract 3D spatio-temporal features. Point clouds are sparse 3D spatial data, which suggests that SNNs should be well-suited for processing them. However, when applying SNNs…

Computer Vision and Pattern Recognition · Computer Science 2025-04-03 Xuerui Qiu , Man Yao , Jieyuan Zhang , Yuhong Chou , Ning Qiao , Shibo Zhou , Bo Xu , Guoqi Li

Semantic Change Detection (SCD) in remote sensing imagery requires accurately identifying land-cover changes across multi-temporal image pairs. Despite substantial advancements, including the introduction of transformer-based architectures,…

Image and Video Processing · Electrical Eng. & Systems 2025-11-11 Athulya Ratnayake , Buddhi Wijenayake , Praveen Sumanasekara , Roshan Godaliyadda , Vijitha Herath , Parakrama Ekanayake

Learning discriminative representation from the complex spatio-temporal dynamic space is essential for video recognition. On top of those stylized spatio-temporal computational units, further refining the learnt feature with axial contexts…

Computer Vision and Pattern Recognition · Computer Science 2022-03-21 Yanbin Hao , Hao Zhang , Chong-Wah Ngo , Xiangnan He

Environmental sound classification (ESC) is a challenging problem due to the complexity of sounds. The ESC performance is heavily dependent on the effectiveness of representative features extracted from the environmental sounds. However,…

Sound · Computer Science 2019-07-05 Zhichao Zhang , Shugong Xu , Tianhao Qiao , Shunqing Zhang , Shan Cao

Large-scale point cloud consists of a multitude of individual objects, thereby encompassing rich structural and underlying semantic contextual information, resulting in a challenging problem in efficiently segmenting a point cloud. Most…

Computer Vision and Pattern Recognition · Computer Science 2024-06-18 Zhenchao Lin , Li He , Hongqiang Yang , Xiaoqun Sun , Cuojin Zhang , Weinan Chen , Yisheng Guan , Hong Zhang

Spiking neural networks (SNNs) mimic brain computational strategies, and exhibit substantial capabilities in spatiotemporal information processing. As an essential factor for human perception, visual attention refers to the dynamic process…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Wuque Cai , Hongze Sun , Rui Liu , Yan Cui , Jun Wang , Yang Xia , Dezhong Yao , Daqing Guo

Deep Convolutional Neural Networks (CNN) have drawn great attention in image super-resolution (SR). Recently, visual attention mechanism, which exploits both of the feature importance and contextual cues, has been introduced to image SR and…

Image and Video Processing · Electrical Eng. & Systems 2019-10-01 Huapeng Wu , Zhengxia Zou , Jie Gui , Wen-Jun Zeng , Jieping Ye , Jun Zhang , Hongyi Liu , Zhihui Wei

We present Attention Zoom, a modular and model-agnostic spatial attention mechanism designed to improve feature extraction in convolutional neural networks (CNNs). Unlike traditional attention approaches that require architecture-specific…

Computer Vision and Pattern Recognition · Computer Science 2025-08-06 Daniel DeAlcala , Aythami Morales , Julian Fierrez , Ruben Tolosana

Features play a crucial role in computer vision. Initially designed to detect salient elements by means of handcrafted algorithms, features are now often learned by different layers in Convolutional Neural Networks (CNNs). This paper…

Computer Vision and Pattern Recognition · Computer Science 2021-11-18 Loris Nanni , Stefano Ghidoni , Sheryl Brahnam

Visual-based perception is the key module for autonomous driving. Among those visual perception tasks, video object detection is a primary yet challenging one because of feature degradation caused by fast motion or multiple poses. Current…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Yiming Cui , Cheng Han , Dongfang Liu

Deep learning has become a powerful tool for medical image analysis; however, conventional Convolutional Neural Networks (CNNs) often fail to capture the fine-grained and complex features critical for accurate diagnosis. To address this…

Computer Vision and Pattern Recognition · Computer Science 2025-09-09 Zahid Ullah , Minki Hong , Tahir Mahmood , Jihie Kim

Speech Emotion Recognition (SER) is a fundamental task to predict the emotion label from speech data. Recent works mostly focus on using convolutional neural networks~(CNNs) to learn local attention map on fixed-scale feature representation…

Sound · Computer Science 2022-04-13 Wenjing Zhu , Xiang Li

Voxel is an important format to represent geometric data, which has been widely used for 3D deep learning in shape analysis due to its generalization ability and regular data format. However, fine-grained tasks like part segmentation…

Computer Vision and Pattern Recognition · Computer Science 2018-09-05 Zongji Wang , Feng Lu

Graph clustering discovers groups or communities within networks. Deep learning methods such as autoencoders (AE) extract effective clustering and downstream representations but cannot incorporate rich structural information. While Graph…

Machine Learning · Computer Science 2022-04-28 Gayan K. Kulatilleke , Marius Portmann , Shekhar S. Chandra

Training convolutional neural networks (CNNs) on high-resolution images is often bottlenecked by the cost of evaluating gradients of the loss on the finest spatial mesh. To address this, we propose Multiscale Gradient Estimation (MGE), a…

Machine Learning · Computer Science 2026-03-03 Shadab Ahamed , Niloufar Zakariaei , Eldad Haber , Moshe Eliasof