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Hyperspectral images super-resolution aims to improve the spatial resolution, yet its performance is often limited at high-resolution ratios. The recent adoption of high-resolution reference images for super-resolution is driven by the poor…

计算机视觉与模式识别 · 计算机科学 2026-01-06 Yingkai Zhang , Zeqiang Lai , Tao Zhang , Ying Fu , Chenghu Zhou

Although deep learning based multi-channel speech enhancement has achieved significant advancements, its practical deployment is often limited by constrained computational resources, particularly in low signal-to-noise ratio (SNR)…

音频与语音处理 · 电气工程与系统科学 2025-05-27 Zheng Wang , Xiaobin Rong , Yu Sun , Tianchi Sun , Zhibin Lin , Jing Lu

Visible light communication (VLC) enables access to huge unlicensed bandwidth, a higher security level, and no radio frequency interference. With these advantages, VLC emerges as a complementary solution to radio frequency communications.…

信号处理 · 电气工程与系统科学 2021-05-19 Alain R. Ndjiongue , Telex M. N. Ngatched , Octavia A. Dobre , Harald Haas

High-quality image acquisition in real-world environments remains challenging due to complex illumination variations and inherent limitations of camera imaging pipelines. These issues are exacerbated in multi-view capture, where differences…

计算机视觉与模式识别 · 计算机科学 2026-02-23 Ziteng Cui , Shuhong Liu , Xiaoyu Dong , Xuangeng Chu , Lin Gu , Ming-Hsuan Yang , Tatsuya Harada

The cross-channel deblurring problem in color image processing is difficult to solve due to the complex coupling and structural blurring of color pixels. Until now, there are few efficient algorithms that can reduce color artifacts in…

计算机视觉与模式识别 · 计算机科学 2025-01-28 Zhigang Jia , Yuelian Xiang , Meixiang Zhao , Tingting Wu , Michael K. Ng

Recently, Users Generated Content (UGC) videos becomes ubiquitous in our daily lives. However, due to the limitations of photographic equipments and techniques, UGC videos often contain various degradations, in which one of the most…

计算机视觉与模式识别 · 计算机科学 2023-08-08 Yunlong Dong , Xiaohong Liu , Yixuan Gao , Xunchu Zhou , Tao Tan , Guangtao Zhai

A novel color image enhancement method is proposed based on Retinex to enhance color images under non-uniform illumination or poor visibility conditions. Different from the conventional Retinex algorithms, the Weighted Guided Image Filter…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Qi Mu , Yanyan Wei , Zhanli Li

Many video workflows benefit from a mixture of user controls with varying granularity, from exact 4D object trajectories and camera paths to coarse text prompts, while existing video generative models are typically trained for fixed input…

计算机视觉与模式识别 · 计算机科学 2025-10-17 Haoyi Duan , Yunzhi Zhang , Yilun Du , Jiajun Wu

The vascular structure in retinal images plays a crucial role in ophthalmic diagnostics, and its accuracies are directly influenced by the quality of the retinal image. Contrast enhancement is one of the crucial steps in any segmentation…

计算机视觉与模式识别 · 计算机科学 2025-04-22 Adnan Shaout , Jiho Han

Recent studies have shown that Large Vision-Language Models (VLMs) tend to neglect image content and over-rely on language-model priors, resulting in errors in visually grounded tasks and hallucinations. We hypothesize that this issue…

计算机视觉与模式识别 · 计算机科学 2025-06-04 Shengguang Wu , Fan-Yun Sun , Kaiyue Wen , Nick Haber

Low-light image enhancement strives to improve the contrast, adjust the visibility, and restore the distortion in color and texture. Existing methods usually pay more attention to improving the visibility and contrast via increasing the…

计算机视觉与模式识别 · 计算机科学 2023-07-19 Huake Wang , Xiaoyang Yan , Xingsong Hou , Junhui Li , Yujie Dun , Kaibing Zhang

Cross-component linear model (CCLM) prediction has been repeatedly proven to be effective in reducing the inter-channel redundancies in video compression. Essentially speaking, the linear model is identically trained by employing accessible…

多媒体 · 计算机科学 2021-09-01 Junru Li , Meng Wang , Li Zhang , Shiqi Wang , Kai Zhang , Shanshe Wang , Siwei Ma , Wen Gao

As demands for high-quality videos continue to rise, high-resolution and high-dynamic range (HDR) imaging techniques are drawing attention. To generate an HDR video from low dynamic range (LDR) images, one of the critical steps is the…

计算机视觉与模式识别 · 计算机科学 2023-08-23 Haesoo Chung , Nam Ik Cho

Robust visual place recognition (VPR) requires scene representations that are invariant to various environmental challenges such as seasonal changes and variations due to ambient lighting conditions during day and night. Moreover, a…

计算机视觉与模式识别 · 计算机科学 2017-09-26 Unnat Jain , Vinay P. Namboodiri , Gaurav Pandey

Vehicular visible light communications (V-VLC) is a promising intelligent transportation systems (ITS) technology for vehicle-to-vehicle (V2V) and vehicle-to-infrastructure (V2I) communications with the utilization of light-emitting diodes…

信号处理 · 电气工程与系统科学 2021-11-23 Bugra Turan , O. Nuri Koc , Emrah Kar , Sinem Coleri

Underwater image enhancement plays a crucial role in providing reliable visual information for underwater platforms, since strong absorption and scattering in water-related environments generally lead to image quality degradation. Existing…

计算机视觉与模式识别 · 计算机科学 2026-03-18 Yiqiang Zhou , Yifan Chen , Zhe Sun , Jijun Lu , Ye Zheng , Xuelong Li

In this paper, we consider the problem of constellation design for a visible light communication (VLC) system using red/green/blue light-emitting diodes (RGB LED), and propose a method termed DC-informative joint color-frequency modulation…

信息论 · 计算机科学 2015-06-23 Qian Gao , Rui Wang , Zhengyuan Xu , Yingbo Hua

Visible light communication (VLC) is an emerging technique that uses light-emitting diodes (LED) to combine communication and illumination. It is considered as a promising scheme for indoor wireless communication that can be deployed at…

信号处理 · 电气工程与系统科学 2017-09-19 Houssem Sifaou , Ki-Hong Park , Abla Kammoun , Mohamed-Slim Alouini

While the LED panels used in virtual production systems can display vibrant imagery with a wide color gamut, they produce problematic color shifts when used as lighting due to their peaky spectral output from narrow-band red, green, and…

计算机视觉与模式识别 · 计算机科学 2022-07-05 Chloe LeGendre , Lukas Lepicovsky , Paul Debevec

Recent self-supervised methods for image representation learning are based on maximizing the agreement between embedding vectors from different views of the same image. A trivial solution is obtained when the encoder outputs constant…

计算机视觉与模式识别 · 计算机科学 2022-01-31 Adrien Bardes , Jean Ponce , Yann LeCun