English
Related papers

Related papers: LaSAFT: Latent Source Attentive Frequency Transfor…

200 papers

Discrete diffusion language models have shown strong potential for text generation, yet standard supervised fine-tuning (SFT) misaligns with their semi-autoregressive inference: training randomly masks tokens across the entire response,…

Computation and Language · Computer Science 2025-10-24 Bowen Sun , Yujun Cai , Ming-Hsuan Yang , Yiwei Wang

In this letter, a fast Fourier transform (FFT)-enhanced low-complexity super-resolution sensing algorithm for near-field source localization with both angle and range estimation is proposed. Most traditional near-field source localization…

Signal Processing · Electrical Eng. & Systems 2024-11-26 Yuxiao Wu , Huizhi Wang , Yong Zeng

Methods based on implicit neural representation have demonstrated remarkable capabilities in arbitrary-scale super-resolution (ASSR) tasks, but they neglect the potential value of the frequency domain, leading to sub-optimal performance. We…

Machine Learning · Computer Science 2025-04-29 Xufei Wang , Fei Ge , Jinchen Zhu , Mingjian Zhang , Qi Wu , Jifeng Ren Shizhuang Weng

Dilated convolution, which expands the receptive field by inserting gaps between its consecutive elements, is widely employed in computer vision. In this study, we propose three strategies to improve individual phases of dilated convolution…

Computer Vision and Pattern Recognition · Computer Science 2025-06-10 Linwei Chen , Lin Gu , Ying Fu

Transformers have been successfully applied to the visual tracking task and significantly promote tracking performance. The self-attention mechanism designed to model long-range dependencies is the key to the success of Transformers.…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Zhihong Fu , Zehua Fu , Qingjie Liu , Wenrui Cai , Yunhong Wang

Orthogonal time frequency space modulation (OTFS) has been recently proposed to achieve time and frequency diversity, especially in linear time-variant (LTV) channels with large Doppler frequencies. The idea is based on the precoding of the…

Signal Processing · Electrical Eng. & Systems 2019-07-11 Ahmad Nimr , Marwa Chafii , Maximilian Matthe , Gerhard Fettweis

There is a neglected fact in the traditional machine learning methods that the data sampling can actually lead to the solution sampling. We consider this observation to be important because having the solution sampling available makes the…

Computer Vision and Pattern Recognition · Computer Science 2017-06-06 Shangzhen Luan , Baochang Zhang , Jungong Han , Chen Chen , Ling Shao , Alessandro Perina , Linlin Shen

Many real-world time series exhibit strong periodic structures arising from physical laws, human routines, or seasonal cycles. However, modern deep forecasting models often fail to capture these recurring patterns due to spectral bias and a…

Machine Learning · Computer Science 2025-08-05 Menglin Kong , Vincent Zhihao Zheng , Lijun Sun

Data-dependent secondary transforms, which aim to decorrelate coefficients of a separable primary transform, can improve residual coding efficiency; however, their deployment is often constrained by computational complexity. Recent video…

Image and Video Processing · Electrical Eng. & Systems 2026-05-15 Darukeesan Pakiyarajah , Samuel Fernández-Menduiña , Eduardo Pavez , Antonio Ortega , Debargha Mukherjee

The process of fusing a high spatial resolution (HR) panchromatic (PAN) image and a low spatial resolution (LR) multispectral (MS) image to obtain an HRMS image is known as pansharpening. With the development of convolutional neural…

Image and Video Processing · Electrical Eng. & Systems 2023-06-05 Yinghui Xing , Yan Zhang , Houjun He , Xiuwei Zhang , Yanning Zhang

This paper proposes StrEBM, a structured latent energy-based model for source-wise structured representation learning. The framework is motivated by a broader goal of promoting identifiable and decoupled latent organization by assigning…

Machine Learning · Statistics 2026-04-21 Yuan-Hao Wei

Multispectral image pairs can provide the combined information, making object detection applications more reliable and robust in the open world. To fully exploit the different modalities, we present a simple yet effective cross-modality…

Image and Video Processing · Electrical Eng. & Systems 2022-10-05 Fang Qingyun , Han Dapeng , Wang Zhaokui

Automated segmentation of large volumes of medical images is often plagued by the limited availability of fully annotated data and the diversity of organ surface properties resulting from the use of different acquisition protocols for…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Yazhou Zhu , Shidong Wang , Tong Xin , Haofeng Zhang

The core for tackling the fine-grained visual categorization (FGVC) is to learn subtle yet discriminative features. Most previous works achieve this by explicitly selecting the discriminative parts or integrating the attention mechanism via…

Computer Vision and Pattern Recognition · Computer Science 2022-03-02 Jun Wang , Xiaohan Yu , Yongsheng Gao

Correlation filters are special classifiers designed for shift-invariant object recognition, which are robust to pattern distortions. The recent literature shows that combining a set of sub-filters trained based on a single or a small group…

Computer Vision and Pattern Recognition · Computer Science 2018-02-14 Baochang Zhang , Shangzhen Luan , Chen Chen , Jungong Han , Wei Wang , Alessandro Perina , Ling Shao

Achieving superior enhancement performance while maintaining a low parameter count and computational complexity remains a challenge in the field of speech enhancement. In this paper, we introduce LORT, a novel architecture that integrates…

Audio and Speech Processing · Electrical Eng. & Systems 2025-09-30 Junyu Wang , Zizhen Lin , Tianrui Wang , Meng Ge , Longbiao Wang , Jianwu Dang

Long-term time series forecasting (LTSF) is hampered by the challenge of modeling complex dependencies that span multiple temporal scales and frequency resolutions. Existing methods, including Transformer and MLP-based models, often…

Machine Learning · Computer Science 2025-09-22 Qianyang Li , Xingjun Zhang , Shaoxun Wang , Jia Wei

Underwater acoustic target recognition is critical for maritime applications, yet it faces challenges arising from the complex and diverse nature of ship-radiated noise. To address these issues, we propose a robust deep learning-based…

Signal Processing · Electrical Eng. & Systems 2026-05-22 Jiaping Yu , Shefeng Yan , Linlin Mao , Zeping Sui , Chunjin Jiang

Pretrained bidirectional Transformers, such as BERT, have achieved significant improvements in a wide variety of language understanding tasks, while it is not straightforward to directly apply them for natural language generation. In this…

Computation and Language · Computer Science 2021-10-27 Hangbo Bao , Li Dong , Wenhui Wang , Nan Yang , Furu Wei

In this proposal, we design a learned multi-frequency image compression approach that uses generalized octave convolutions to factorize the latent representations into high-frequency (HF) and low-frequency (LF) components, and the LF…

Image and Video Processing · Electrical Eng. & Systems 2020-09-29 Jianping Lin , Mohammad Akbari , Haisheng Fu , Qian Zhang , Shang Wang , Jie Liang , Dong Liu , Feng Liang , Guohe Zhang , Chengjie Tu