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Data protection methods like cryptography, despite being effective, inadvertently signal the presence of secret communication, thereby drawing undue attention. Here, we introduce an optical information hiding camera integrated with an…

Optics · Physics 2024-06-13 Bijie Bai , Ryan Lee , Yuhang Li , Tianyi Gan , Yuntian Wang , Mona Jarrahi , Aydogan Ozcan

Video text spotting (VTS) aims to simultaneously localize, recognize and track text instances in videos. To address the limited recognition capability of end-to-end methods, recent methods track the zero-shot results of state-of-the-art…

Computer Vision and Pattern Recognition · Computer Science 2024-06-13 Hongen Liu , Di Sun , Jiahao Wang , Yi Liu , Gang Pan

Deep learning-based joint source-channel coding (JSCC) is emerging as a promising technology for effective image transmission. However, most existing approaches focus on transmitting clear images, overlooking real-world challenges such as…

Image and Video Processing · Electrical Eng. & Systems 2025-01-17 Pujing Yang , Guangyi Zhang , Yunlong Cai , Lei Yu , Guanding Yu

With the capability of reconfiguring the wireless electromagnetic environment, intelligent reflecting surface (IRS) is a new paradigm for designing future wireless communication systems. In this paper, we consider optical IRS for improving…

Information Theory · Computer Science 2022-06-30 Shiyuan Sun , Fang Yang , Jian Song , Rui Zhang

Integrated sensing and communication (ISAC) is envisioned as a key technology in 6G networks, owing to its potential for high spectral and cost efficiency. As a promising solution for extremely large-scale arrays, reconfigurable holographic…

Information Theory · Computer Science 2025-09-11 Shuhao Zeng , Haobo Zhang , Boya Di , Hongliang Zhang , Zijian Shao , Zhu Han , H. Vincent Poor , Lingyang Song

Recently, Transformer-based encoder-decoder models have demonstrated strong performance in multilingual speech recognition. However, the decoder's autoregressive nature and large size introduce significant bottlenecks during inference.…

Audio and Speech Processing · Electrical Eng. & Systems 2025-08-28 Yunkyu Lim , Jihwan Park , Hyung Yong Kim , Hanbin Lee , Byeong-Yeol Kim

Object detection models demand large-scale annotated datasets, which are costly and labor-intensive to create. This motivated Imaginary Supervised Object Detection (ISOD), where models train on synthetic images and test on real images.…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Zhiyuan Chen , Yuelin Guo , Zitong Huang , Haoyu He , Renhao Lu , Weizhe Zhang

This paper presents an indoor visible light communication (VLC) system in conjunction with an imaging receiver with parallel data transmission (spatial multiplexing) to decrease the effects of inter-symbol interference (ISI). To distinguish…

Signal Processing · Electrical Eng. & Systems 2018-11-06 Safwan Hafeedh Younus , Aubida A. Al-Hameed , Ahmed Taha Hussein , Mohammed T. Alresheedi , Jaafar M. H. Elmirghani

Vision-based control systems, such as image-based visual servoing (IBVS), have been extensively explored for precise robot manipulation. A persistent challenge, however, is maintaining robust target tracking under partial or full…

Robotics · Computer Science 2025-10-30 Jee Won Lee , Hansol Lim , Sooyeun Yang , Jongseong Brad Choi

As data requirements continue to grow, efficient learning increasingly depends on the curation and distillation of high-value data rather than brute-force scaling of model sizes. In the case of a hyperspectral image (HSI), the challenge is…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Abhiroop Chatterjee , Susmita Ghosh

A method of information transmission using visual markers has been widely studied. In this approach, information or identifiers (IDs) are encoded in the black-and-white pattern of each marker. By analyzing the geometric properties of the…

Information Theory · Computer Science 2026-01-13 Wataru Uemura , Shogo Kawasaki

The Holographic Interference Surface (HIS) opens up a new prospect for building a more cost-effective wireless communication architecture by performing Radio Frequency (RF) domain signal processing. In this paper, we establish a wideband…

Signal Processing · Electrical Eng. & Systems 2025-09-30 Jindiao Huang , Haifan Yin

Recently, semantic communication has been investigated to boost the performance of end-to-end image transmission systems. However, existing semantic approaches are generally based on deep learning and belong to lossy transmission.…

Signal Processing · Electrical Eng. & Systems 2023-08-23 Guangyi Zhang , Qiyu Hu , Yunlong Cai , Guanding Yu

Stacking analysis is a means of detecting faint sources using a priori position information to estimate an aggregate signal from individually undetected objects. Confusion severely limits the effectiveness of stacking in deep surveys with…

Instrumentation and Methods for Astrophysics · Physics 2015-05-14 Peter Kurczynski , Eric Gawiser

Large Vision-Language Models (LVLMs) are an extension of Large Language Models (LLMs) that facilitate processing both image and text inputs, expanding AI capabilities. However, LVLMs struggle with object hallucinations due to their reliance…

Computation and Language · Computer Science 2024-08-12 Avshalom Manevich , Reut Tsarfaty

Image manipulation detection is to identify the authenticity of each pixel in images. One typical approach to uncover manipulation traces is to model image correlations. The previous methods commonly adopt the grids, which are fixed-size…

Computer Vision and Pattern Recognition · Computer Science 2025-03-25 Xudong Wang , Jiaran Zhou , Huiyu Zhou , Junyu Dong , Yuezun Li

The advancement of wireless communication systems toward 5G and beyond is spurred by the demand for high data rates, exceedingly dependable low-latency communication, and extensive connectivity that aligns with sensing requisites such as…

Information Theory · Computer Science 2024-04-10 Mamady Delamou , El Mehdi Amhoud

Acquiring precise information about the mode content of a laser is critical for multiplexed optical communications, optical imaging with active wave-front control, and quantum-limited interferometric measurements. Hologram-based mode…

Event cameras, featuring high temporal resolution and high dynamic range, offer visual sensing capabilities comparable to conventional image sensors while capturing fast-moving objects and handling scenes with extreme lighting contrasts…

Robotics · Computer Science 2025-10-21 Ryota Soga , Masataka Kobayashi , Tsukasa Shimizu , Shintaro Shiba , Quan Kong , Shan Lu , Takaya Yamazato

The underwater propagation environment for visible light signals is affected by complex factors such as absorption, shadowing, and reflection, making it very challengeable to achieve effective underwater visible light communication (UVLC)…

Signal Processing · Electrical Eng. & Systems 2023-03-14 Younan Mou , Sicong Liu