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In this paper, we propose a novel symbol-level precoding (SLP) method for a multi-user multi-input multi-output (MU-MIMO) downlink Integrated Sensing and Communications (ISAC) system based on faster-than-Nyquist (FTN) signaling. Our method…

Signal Processing · Electrical Eng. & Systems 2023-04-07 Zihan Liao , Fan Liu

Vision-language models (VLMs) have demonstrated remarkable capabilities in understanding and reasoning about visual content, but significant challenges persist in tasks requiring cross-viewpoint understanding and spatial reasoning. We…

Computer Vision and Pattern Recognition · Computer Science 2025-10-01 Dingming Li , Hongxing Li , Zixuan Wang , Yuchen Yan , Hang Zhang , Siqi Chen , Guiyang Hou , Shengpei Jiang , Wenqi Zhang , Yongliang Shen , Weiming Lu , Yueting Zhuang

The Visual Simultaneous Localization and Mapping (V-SLAM) system has seen significant development in recent years, demonstrating high precision in environments with limited dynamic objects. However, their performance significantly…

Robotics · Computer Science 2025-11-07 Taozhe Li , Wei Sun

Neural Sign Language Production (SLP) aims to automatically translate from spoken language sentences to sign language videos. Historically the SLP task has been broken into two steps; Firstly, translating from a spoken language sentence to…

Computation and Language · Computer Science 2022-10-13 Harry Walsh , Ben Saunders , Richard Bowden

Despite impressive advancements in Visual-Language Models (VLMs) for multi-modal tasks, their reliance on RGB inputs limits precise spatial understanding. Existing methods for integrating spatial cues, such as point clouds or depth, either…

Computer Vision and Pattern Recognition · Computer Science 2025-10-27 Yang Liu , Ming Ma , Xiaomin Yu , Pengxiang Ding , Han Zhao , Mingyang Sun , Siteng Huang , Donglin Wang

Reconstructing 3D assets from images, known as inverse rendering (IR), remains a challenging task due to its ill-posed nature. 3D Gaussian Splatting (3DGS) has demonstrated impressive capabilities for novel view synthesis (NVS) tasks.…

Computer Vision and Pattern Recognition · Computer Science 2025-04-10 Hanxiao Sun , YuPeng Gao , Jin Xie , Jian Yang , Beibei Wang

This paper delineates the visual speech recognition (VSR) system introduced by the NPU-ASLP-LiAuto (Team 237) in the first Chinese Continuous Visual Speech Recognition Challenge (CNVSRC) 2023, engaging in the fixed and open tracks of…

Audio and Speech Processing · Electrical Eng. & Systems 2024-03-01 He Wang , Pengcheng Guo , Wei Chen , Pan Zhou , Lei Xie

We propose a novel discriminative model that learns embeddings from multilingual and multi-modal data, meaning that our model can take advantage of images and descriptions in multiple languages to improve embedding quality. To that end, we…

Computation and Language · Computer Science 2017-02-06 Iacer Calixto , Qun Liu , Nick Campbell

Recent self-supervised learning (SSL) methods have shown impressive results in learning visual representations from unlabeled images. This paper aims to improve their performance further by utilizing the architectural advantages of the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-20 Sukmin Yun , Hankook Lee , Jaehyung Kim , Jinwoo Shin

Hand gesture-based sign language recognition (SLR) is one of the most advanced applications of machine learning, and computer vision uses hand gestures. Although, in the past few years, many researchers have widely explored and studied how…

Computer Vision and Pattern Recognition · Computer Science 2024-08-27 Abu Saleh Musa Miah , Md. Al Mehedi Hasan , Md Hadiuzzaman , Muhammad Nazrul Islam , Jungpil Shin

Audio is the primary modality for human communication and has driven the success of Automatic Speech Recognition (ASR) technologies. However, such audio-centric systems inherently exclude individuals who are deaf or hard of hearing. Visual…

Computer Vision and Pattern Recognition · Computer Science 2026-03-25 Jeong Hun Yeo , Hyeongseop Rha , Sungjune Park , Junil Won , Yong Man Ro

Automatic sign language recognition plays a crucial role in bridging the communication gap between deaf communities and hearing individuals; however, most available datasets focus on American Sign Language. For Romanian Isolated Sign…

Computer Vision and Pattern Recognition · Computer Science 2025-11-18 Cătălin-Alexandru Rîpanu , Andrei-Theodor Hotnog , Giulia-Stefania Imbrea , Dumitru-Clementin Cercel

Medical contrastive vision-language pre-training (VLP) has demonstrated significant potential in improving performance on downstream tasks. Traditional approaches typically employ contrastive learning, treating paired image-report samples…

Computer Vision and Pattern Recognition · Computer Science 2026-04-02 Phuoc-Nguyen Bui , Toan Duc Nguyen , Junghyun Bum , Duc-Tai Le , Hyunseung Choo

Synthetic Aperture Radar (SAR) is a critical imaging modality due to its all-weather operational capability. Although recent advances in self-supervised learning and masked image modeling (MIM) have enabled SAR foundation models, these…

Computer Vision and Pattern Recognition · Computer Science 2026-05-18 Qiwei Ma , Xukun Lu , Wang Liu , Puhong Duan , Xudong Kang , Shutao Li

Vision-Language Pretrained (VLP) models have achieved impressive performance on multimodal tasks, including text-image retrieval, based on dense representations. Meanwhile, Learned Sparse Retrieval (LSR) has gained traction in text-only…

Computation and Language · Computer Science 2025-08-26 Jonghyun Song , Youngjune Lee , Gyu-Hwung Cho , Ilhyeon Song , Saehun Kim , Yohan Jo

Efficient vision-language understanding of large Remote Sensing Images (RSIs) is meaningful but challenging. Current Large Vision-Language Models (LVLMs) typically employ limited pre-defined grids to process images, leading to information…

Computer Vision and Pattern Recognition · Computer Science 2025-07-25 Junwei Luo , Yingying Zhang , Xue Yang , Kang Wu , Qi Zhu , Lei Liang , Jingdong Chen , Yansheng Li

Self-supervised learning (SSL) has emerged as a powerful strategy for representation learning under limited annotation regimes, yet its effectiveness remains highly sensitive to many factors, especially the nature of the target task. In…

Computer Vision and Pattern Recognition · Computer Science 2026-01-27 Jorge Quesada , Ghassan AlRegib

Sign Language Recognition (SLR) plays a crucial role in bridging the communication gap between the hearing-impaired community and society. This paper introduces SLRNet, a real-time webcam-based ASL recognition system using MediaPipe…

Computer Vision and Pattern Recognition · Computer Science 2025-06-18 Sharvari Kamble

Autonomous driving is a complex and challenging task that aims at safe motion planning through scene understanding and reasoning. While vision-only autonomous driving methods have recently achieved notable performance, through enhanced…

Computer Vision and Pattern Recognition · Computer Science 2024-11-26 Chenbin Pan , Burhaneddin Yaman , Tommaso Nesti , Abhirup Mallik , Alessandro G Allievi , Senem Velipasalar , Liu Ren

Audio-Visual Speech Recognition (AVSR) achieves robust speech recognition in noisy environments by combining auditory and visual information. However, recent Large Language Model (LLM) based AVSR systems incur high computational costs due…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Jeong Hun Yeo , Hyeongseop Rha , Se Jin Park , Yong Man Ro