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In surveillance, monitoring and tactical reconnaissance, gathering the right visual information from a dynamic environment and accurately processing such data are essential ingredients to making informed decisions which determines the…

Computer Vision and Pattern Recognition · Computer Science 2016-04-18 Kin Gwn Lore , Adedotun Akintayo , Soumik Sarkar

Intrinsic image decomposition is the process of separating the reflectance and shading layers of an image, which is a challenging and underdetermined problem. In this paper, we propose to systematically address this problem using a deep…

Computer Vision and Pattern Recognition · Computer Science 2018-07-31 Sai Bi , Nima Khademi Kalantari , Ravi Ramamoorthi

The rapid advancement of generative AI has enabled the mass production of photorealistic synthetic images, blurring the boundary between authentic and fabricated visual content. This challenge is particularly evident in deepfake scenarios…

Computer Vision and Pattern Recognition · Computer Science 2025-09-30 Minsun Jeon , Simon S. Woo

Most existing semantic communication (SemCom) systems use deep joint source-channel coding (DeepJSCC) to encode task-specific semantics in a goal-oriented manner. However, their reliance on predefined tasks and datasets significantly limits…

Signal Processing · Electrical Eng. & Systems 2025-05-30 Jiangjing Hu , Haotian Wu , Wenjing Zhang , Fengyu Wang , Wenjun Xu , Hui Gao , Deniz Gündüz

This paper aims to design robust Edge Intelligence using semantic communication for time-critical IoT applications. We systematically analyze the effect of image DCT coefficients on inference accuracy and propose the channel-agnostic…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Andrea Cavagna , Nan Li , Alexandros Iosifidis , Qi Zhang

The new trend of full-screen devices implies positioning the camera behind the screen to bring a larger display-to-body ratio, enhance eye contact, and provide a notch-free viewing experience on smartphones, TV or tablets. On the other…

Image and Video Processing · Electrical Eng. & Systems 2023-11-24 Marcos V. Conde , Florin Vasluianu , Sabari Nathan , Radu Timofte

It has long been considered a significant problem to improve the visual quality of lossy image and video compression. Recent advances in computing power together with the availability of large training data sets has increased interest in…

Multimedia · Computer Science 2017-03-30 Aaditya Prakash , Nick Moran , Solomon Garber , Antonella DiLillo , James Storer

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

We present a method to improve the visual realism of low-quality, synthetic images, e.g. OpenGL renderings. Training an unpaired synthetic-to-real translation network in image space is severely under-constrained and produces visible…

Computer Vision and Pattern Recognition · Computer Science 2020-03-31 Sai Bi , Kalyan Sunkavalli , Federico Perazzi , Eli Shechtman , Vladimir Kim , Ravi Ramamoorthi

Light field saliency detection -- important due to utility in many vision tasks -- still lacks speed and can improve in accuracy. Due to the formulation of the saliency detection problem in light fields as a segmentation task or a…

Computer Vision and Pattern Recognition · Computer Science 2021-12-14 Sahan Hemachandra , Ranga Rodrigo , Chamira Edussooriya

Visible Light Communication (VLC) provides an energy-efficient wireless solution by using existing LED-based illumination for high-speed data transmissions. Although solar cells offer the advantage of simultaneous energy harvesting and data…

Networking and Internet Architecture · Computer Science 2025-05-16 Yanxiang Wang , Yihe Yan , Jiawei Hu , Cheng Jiang , Brano Kusy , Ashraf Uddin , Mahbub Hassan , Wen Hu

Conventional SLAM techniques strongly rely on scene rigidity to solve data association, ignoring dynamic parts of the scene. In this work we present Semi-Direct DefSLAM (SD-DefSLAM), a novel monocular deformable SLAM method able to map…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Juan J. Gómez Rodríguez , José Lamarca , Javier Morlana , Juan D. Tardós , José M. M. Montiel

Enhancing the quality of low-light images plays a very important role in many image processing and multimedia applications. In recent years, a variety of deep learning techniques have been developed to address this challenging task. A…

Image and Video Processing · Electrical Eng. & Systems 2021-12-13 Long Ma , Risheng Liu , Jiaao Zhang , Xin Fan , Zhongxuan Luo

Defocus Blur Detection(DBD) aims to separate in-focus and out-of-focus regions from a single image pixel-wisely. This task has been paid much attention since bokeh effects are widely used in digital cameras and smartphone photography.…

Computer Vision and Pattern Recognition · Computer Science 2020-07-17 Xiaodong Cun , Chi-Man Pun

Single-shot image deblurring in a low-light condition is known to be a profoundly challenging image translation task. This study tackles the limitations of the low-light image deblurring with a learning-based approach and proposes a novel…

Computer Vision and Pattern Recognition · Computer Science 2025-03-05 S M A Sharif , Rizwan Ali Naqvi , Farman Alic , Mithun Biswas

There is an undeniable communication barrier between deaf people and people with normal hearing ability. Although innovations in sign language translation technology aim to tear down this communication barrier, the majority of existing sign…

Computer Vision and Pattern Recognition · Computer Science 2018-10-19 Biyi Fang , Jillian Co , Mi Zhang

Image denoising is a fundamental task in computer vision. While prevailing deep learning-based supervised and self-supervised methods have excelled in eliminating in-distribution noise, their susceptibility to out-of-distribution (OOD)…

Computer Vision and Pattern Recognition · Computer Science 2024-03-25 Jun Cheng , Dong Liang , Shan Tan

We present DeepISP, a full end-to-end deep neural model of the camera image signal processing (ISP) pipeline. Our model learns a mapping from the raw low-light mosaiced image to the final visually compelling image and encompasses low-level…

Image and Video Processing · Electrical Eng. & Systems 2019-02-05 Eli Schwartz , Raja Giryes , Alex M. Bronstein

The extraction of a clean background image by removing foreground occlusion holds immense practical significance, but it also presents several challenges. Presently, the majority of de-occlusion research focuses on addressing this issue…

Computer Vision and Pattern Recognition · Computer Science 2023-07-04 Jiyuan Zhang , Shiyan Chen , Yajing Zheng , Zhaofei Yu , Tiejun Huang

High-density LED arrays enable high-speed transmission in image-sensor-based visible-light communication (VLC) systems. However, when optical spots become blurred and spatially overlapped due to focal shift, resolution limitations, or…

Information Theory · Computer Science 2026-05-19 Tianhao Shi , Shan Lu , Takaya Yamazato