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Contextual information is crucial for semantic segmentation. However, finding the optimal trade-off between keeping desired fine details and at the same time providing sufficiently large receptive fields is non trivial. This is even more…

Computer Vision and Pattern Recognition · Computer Science 2017-09-08 Yang He , Margret Keuper , Bernt Schiele , Mario Fritz

Hyperspectral imagery is rich in spatial and spectral information. Using 3D-CNN can simultaneously acquire features of spatial and spectral dimensions to facilitate classification of features, but hyperspectral image information spectral…

Image and Video Processing · Electrical Eng. & Systems 2022-02-15 Guandong Li , Chunju Zhang

Affine Frequency Division Multiplexing (AFDM), a new chirp-based multicarrier waveform for high mobility communications, is introduced here. AFDM is based on discrete affine Fourier transform (DAFT), a generalization of discrete Fourier…

Information Theory · Computer Science 2022-05-04 Ali Bemani , Nassar Ksairi , Marios Kountouris

The recently rising markup-to-image generation poses greater challenges as compared to natural image generation, due to its low tolerance for errors as well as the complex sequence and context correlations between markup and rendered image.…

Computer Vision and Pattern Recognition · Computer Science 2023-08-03 Guojin Zhong , Jin Yuan , Pan Wang , Kailun Yang , Weili Guan , Zhiyong Li

The field-of-view is an important metric when designing a model for semantic segmentation. To obtain a large field-of-view, previous approaches generally choose to rapidly downsample the resolution, usually with average poolings or stride 2…

Computer Vision and Pattern Recognition · Computer Science 2023-11-29 Roland Gao

Constrained image splicing detection and localization (CISDL) is a newly proposed challenging task for image forensics, which investigates two input suspected images and identifies whether one image has suspected regions pasted from the…

Computer Vision and Pattern Recognition · Computer Science 2018-09-11 Yaqi Liu , Xianfeng Zhao , Xiaobin Zhu , Yun Cao

Conventional Frequency Domain Linear Prediction (FDLP) technique models the squared Hilbert envelope of speech with varied degrees of approximation which can be sampled at the required frame rate and used as features for Automatic Speech…

Sound · Computer Science 2022-04-04 Samik Sadhu , Hynek Hermansky

Dilated convolution with learnable spacings (DCLS) is a recent convolution method in which the positions of the kernel elements are learned throughout training by backpropagation. Its interest has recently been demonstrated in computer…

Sound · Computer Science 2023-11-23 Ismail Khalfaoui-Hassani , Timothée Masquelier , Thomas Pellegrini

Recent deep-learning based Super-Resolution (SR) methods have achieved remarkable performance on images with known degradation. However, these methods always fail in real-world scene, since the Low-Resolution (LR) images after the ideal…

Computer Vision and Pattern Recognition · Computer Science 2020-12-21 Xiaozhong Ji , Guangpin Tao , Yun Cao , Ying Tai , Tong Lu , Chengjie Wang , Jilin Li , Feiyue Huang

In this paper, we propose an adaptive Medium Access Control (MAC) protocol for full-duplex (FD) cognitive radio networks in which FD secondary users (SUs) perform channel contention followed by concurrent spectrum sensing and transmission,…

Networking and Internet Architecture · Computer Science 2016-11-17 Le Thanh Tan , Long Bao Le

Despite receiving significant attention from the research community, the task of segmenting and tracking objects in monocular videos still has much room for improvement. Existing works have simultaneously justified the efficacy of dilated…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Christian Schmidt , Ali Athar , Sabarinath Mahadevan , Bastian Leibe

The detection of moving infrared dim-small targets has been a challenging and prevalent research topic. The current state-of-the-art methods are mainly based on ConvLSTM to aggregate information from adjacent frames to facilitate the…

Computer Vision and Pattern Recognition · Computer Science 2024-07-11 Dengyan Luo , Yanping Xiang , Hu Wang , Luping Ji , Shuai Li , Mao Ye

Deep learning-based change detection (CD) using remote sensing images has received increasing attention in recent years. However, how to effectively extract and fuse the deep features of bi-temporal images for improving the accuracy of CD…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Yuanxin Ye , Mengmeng Wang , Liang Zhou , Guangyang Lei , Jianwei Fan , Yao Qin

Cluster assignment of large and complex images is a crucial but challenging task in pattern recognition and computer vision. In this study, we explore the possibility of employing fuzzy clustering in a deep neural network framework. Thus,…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Dayu Tan , Zheng Huang , Xin Peng , Weimin Zhong , Vladimir Mahalec

The recently proposed multi-chirp waveform, affine frequency division multiplexing (AFDM), is considered as a potential candidate for integrated sensing and communication (ISAC). However, acquiring accurate target sensing parameter…

Signal Processing · Electrical Eng. & Systems 2025-04-10 Yirui Luo , Yong Liang Guan , Yao Ge , David González G. , Chau Yuen

Recent advances in image generation have led to the widespread availability of highly realistic synthetic media, increasing the difficulty of reliable deepfake detection. A key challenge is generalization, as detectors trained on a narrow…

Computer Vision and Pattern Recognition · Computer Science 2025-12-22 Yichen Jiang , Mohammed Talha Alam , Sohail Ahmed Khan , Duc-Tien Dang-Nguyen , Fakhri Karray

Orthogonal frequency-division multiplexing (OFDM) has been selected as the basis for the fifth-generation new radio (5G-NR) waveform developments. However, effective signal processing tools are needed for enhancing the OFDM spectrum in…

Signal Processing · Electrical Eng. & Systems 2024-10-30 Juha Yli-Kaakinen , AlaaEddin Loulou , Toni Levanen , Kari Pajukoski , Arto Palin , Markku Renfors , Mikko Valkama

Single image defocus deblurring aims to recover an all-in-focus image from a defocus counterpart, where accurately modeling spatially varying blur kernels remains a key challenge. Most existing methods rely on spatial features for kernel…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Ying Zhang , Xiongxin Tang , Chongyi Li , Qiao Chen , Yuquan Wu

Semantic segmentation of high-resolution remote sensing images plays a crucial role in land-use monitoring and urban planning. Recent remarkable progress in deep learning-based methods makes it possible to generate satisfactory segmentation…

Image and Video Processing · Electrical Eng. & Systems 2025-04-04 Feng Gao , Miao Fu , Jingchao Cao , Junyu Dong , Qian Du

The analysis of non-stationary time-series data requires insight into its local and global patterns with physical interpretability. However, traditional smoothing algorithms, such as B-splines, Savitzky-Golay filtering, and Empirical Mode…

Signal Processing · Electrical Eng. & Systems 2026-02-25 Teymur Aghayev
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