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Recovery of true color from underwater images is an ill-posed problem. This is because the wide-band attenuation coefficients for the RGB color channels depend on object range, reflectance, etc. which are difficult to model. Also, there is…

Computer Vision and Pattern Recognition · Computer Science 2022-12-19 Neham Jain , Gopi Matta , Kaushik Mitra

Fast and accurate 3D hand reconstruction is essential for real-time applications in VR/AR, human-computer interaction, robotics, and healthcare. Most state-of-the-art methods rely on heavy models, limiting their use on resource-constrained…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Hunain Ahmed Jillani , Ahmed Tawfik Aboukhadra , Ahmed Elhayek , Jameel Malik , Nadia Robertini , Didier Stricker

High Dynamic Range (HDR) content (i.e., images and videos) has a broad range of applications. However, capturing HDR content from real-world scenes is expensive and time-consuming. Therefore, the challenging task of reconstructing visually…

Computer Vision and Pattern Recognition · Computer Science 2024-03-28 Hrishav Bakul Barua , Kalin Stefanov , KokSheik Wong , Abhinav Dhall , Ganesh Krishnasamy

This study presents a lightweight dual-domain super-resolution network (DDSRNet) that combines Spatial-Net with the discrete wavelet transform (DWT). Specifically, our proposed model comprises three main components: (1) a shallow feature…

Computer Vision and Pattern Recognition · Computer Science 2025-12-11 Murat Karayaka , Usman Muhammad , Jorma Laaksonen , Md Ziaul Hoque , Tapio Seppänen

This paper presents MMA-MRNNet, a novel deep learning architecture for dynamic multi-output Facial Expression Intensity Estimation (FEIE) from video data. Traditional approaches to this task often rely on complex 3-D CNNs, which require…

Computer Vision and Pattern Recognition · Computer Science 2024-09-05 Dimitrios Kollias , Andreas Psaroudakis , Anastasios Arsenos , Paraskevi Theofilou , Chunchang Shao , Guanyu Hu , Ioannis Patras

Conventional image sensors have limited dynamic range, causing saturation in high-dynamic-range (HDR) scenes. Modulo cameras address this by folding incident irradiance into a bounded range, yet require specialized unwrapping algorithms to…

Computer Vision and Pattern Recognition · Computer Science 2025-11-12 Tianyu Geng , Feng Ji , Wee Peng Tay

Video restoration (VR) aims to recover high-quality videos from degraded ones. Although recent zero-shot VR methods using pre-trained diffusion models (DMs) show good promise, they suffer from approximation errors during reverse diffusion…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Hengkang Wang , Yang Liu , Huidong Liu , Chien-Chih Wang , Yanhui Guo , Hongdong Li , Bryan Wang , Ju Sun

We present Hierarchical Memory Matching Network (HMMN) for semi-supervised video object segmentation. Based on a recent memory-based method [33], we propose two advanced memory read modules that enable us to perform memory reading in…

Computer Vision and Pattern Recognition · Computer Science 2021-09-24 Hongje Seong , Seoung Wug Oh , Joon-Young Lee , Seongwon Lee , Suhyeon Lee , Euntai Kim

Face Super-Resolution (FSR) aims to recover high-resolution (HR) face images from low-resolution (LR) ones. Despite the progress made by convolutional neural networks in FSR, the results of existing approaches are not ideal due to their low…

Computer Vision and Pattern Recognition · Computer Science 2024-06-25 Hao Liu , Yang Yang , Yunxia Liu

Due to limited camera capacities, digital images usually have a narrower dynamic illumination range than real-world scene radiance. To resolve this problem, High Dynamic Range (HDR) reconstruction is proposed to recover the dynamic range to…

Image and Video Processing · Electrical Eng. & Systems 2023-12-14 Jiaqi Tang , Xiaogang Xu , Sixing Hu , Ying-Cong Chen

Modulo imaging enables high dynamic range (HDR) acquisition by cyclically wrapping saturated intensities, but accurate reconstruction remains challenging due to ambiguities between natural image edges and artificial wrap discontinuities.…

Image and Video Processing · Electrical Eng. & Systems 2026-03-02 Brayan Monroy , Jorge Bacca

Human Mesh Recovery (HMR) from an image is a challenging problem because of the inherent ambiguity of the task. Existing HMR methods utilized either temporal information or kinematic relationships to achieve higher accuracy, but there is no…

Computer Vision and Pattern Recognition · Computer Science 2025-07-15 Hanbyel Cho , Jaesung Ahn , Yooshin Cho , Junmo Kim

Recently, Deep Neural Networks (DNNs) are utilized to reduce the bandwidth and improve the quality of Internet video delivery. Existing methods train corresponding content-aware super-resolution (SR) model for each video chunk on the…

Computer Vision and Pattern Recognition · Computer Science 2022-07-21 Xiaoqi Li , Jiaming Liu , Shizun Wang , Cheng Lyu , Ming Lu , Yurong Chen , Anbang Yao , Yandong Guo , Shanghang Zhang

High dynamic range (HDR) imaging under extreme illumination remains challenging for conventional cameras due to overexposure. Event cameras provide microsecond temporal resolution and high dynamic range, while spatially varying exposure…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Pengju Sun , Banglei Guan , Jing Tao , Zhenbao Yu , Xuanyu Bai , Yang Shang , Qifeng Yu

Joint learning of super-resolution (SR) and inverse tone-mapping (ITM) has been explored recently, to convert legacy low resolution (LR) standard dynamic range (SDR) videos to high resolution (HR) high dynamic range (HDR) videos for the…

Image and Video Processing · Electrical Eng. & Systems 2019-12-17 Soo Ye Kim , Jihyong Oh , Munchurl Kim

In this paper, we reveal a novel haze-specific wavelet degradation prior observed through wavelet transform analysis, which shows that haze-related information predominantly resides in low-frequency components. Exploiting this insight, we…

Computer Vision and Pattern Recognition · Computer Science 2025-05-08 Jie Sun , Heng Liu , Yongzhen Wang , Xiao-Ping Zhang , Mingqiang Wei

Multispectral pedestrian detection is essential to various tasks especially autonomous driving, for which both the accuracy and computational cost are of paramount importance. Most existing approaches treat RGB and infrared modalities…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Xingjian Wang , Li Chai , Jiming Chen , Zhiguo Shi

Single-image HDR reconstruction or inverse tone mapping (iTM) is a challenging task. In particular, recovering information in over-exposed regions is extremely difficult because details in such regions are almost completely lost. In this…

Image and Video Processing · Electrical Eng. & Systems 2021-07-19 Kanglin Liu , Gaofeng Cao , Jiang Duan , Guoping Qiu

Reconstruction of high-quality HDR images is at the core of modern computational photography. Significant progress has been made with multi-frame HDR reconstruction methods, producing high-resolution, rich and accurate color reconstructions…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Richard Shaw , Sibi Catley-Chandar , Ales Leonardis , Eduardo Perez-Pellitero

Traditional Low-Light Image Enhancement (LLIE) methods primarily focus on uniform brightness adjustment, often neglecting instance-level semantic information and the inherent characteristics of different features. To address these…

Computer Vision and Pattern Recognition · Computer Science 2025-07-16 Tongshun Zhang , Pingping Liu , Yubing Lu , Mengen Cai , Zijian Zhang , Zhe Zhang , Qiuzhan Zhou