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  • Q-Align: Teaching LMMs for Visual Scoring via Discrete Text-Defined Levels

    Haoning Wu, Zicheng Zhang, Weixia Zhang, Chaofeng Chen, Liang Liao, Li, Chunyi, Yixuan Gao, Annan Wang, +6 more

    arXiv · 2023

    The proposed Q-Align achieves state-of-the-art performance on image quality assessment (IQA), image aesthetic assessment (IAA), as well as video quality assessment (VQA) tasks under the original LMM structure and unify the three tasks into one model, termed the OneAlign.

    664
  • Cascade Residual Learning: A Two-Stage Convolutional Neural Network for Stereo Matching

    Jiahao Pang, Wenxiu Sun, Jimmy Ren, Chengxi Yang, Qiong Yan

    IEEE International Conference on Computer Vision Workshops · 2017

    A novel cascade CNN architecture composing of two stages that advances the recently proposed DispNet by equipping it with extra up-convolution modules, leading to disparity images with more details, and shows that residual learning provides more effective refinement.

    502
  • GRNet: Gridding Residual Network for Dense Point Cloud Completion

    Haozhe Xie, Hongxun Yao, Shangchen Zhou, Jiageng Mao, Shengping Zhang, Wenxiu Sun

    Lecture notes in computer science · 2020

    This work devise two novel differentiable layers, named Gridding and Gridding Reverse, to convert between point clouds and 3D grids without losing structural information, and presents the differentiable Cubic Feature Sampling layer to extract features of neighboring points, which preserves context information.

    468
  • Exploring Video Quality Assessment on User Generated Contents from Aesthetic and Technical Perspectives

    Haoning Wu, Erli Zhang, Liang Liao, Chaofeng Chen, Jingwen Hou, Annan Wang, Wenxiu Sun, Qiong Yan, +1 more

    IEEE/CVF International Conference on Computer Vision (ICCV) · 2023

    The Disentangled Objective Video Quality Evaluator (DOVER) is proposed, the first approach to provide reliable clear-cut quality evaluations from a single aesthetic or technical perspective, and the first approach to provide reliable clear-cut quality evaluations from a single aesthetic or technical perspective.

    463
  • TOPIQ: A Top-Down Approach From Semantics to Distortions for Image Quality Assessment

    Chaofeng Chen, Jiadi Mo, Jingwen Hou, Haoning Wu, Liang Liao, Wenxiu Sun, Qiong Yan, Weisi Lin

    IEEE Transactions on Image Processing · 2024

    This work proposes a top-down approach that uses high-level semantics to guide the IQA network to focus on semantically important local distortion regions, named as TOPIQ, and designs a heuristic coarse-to-fine network that leverages multi-scale features and progressively propagates multi-level semantic information to low-level representations in a top-down manner.

    423
  • Q-Bench: A Benchmark for General-Purpose Foundation Models on Low-level Vision

    Haoning Wu, Zicheng Zhang, Erli Zhang, Chaofeng Chen, Liang Liao, Annan Wang, Chunyi Li, Wenxiu Sun, +3 more

    arXiv · 2023

    Q-Bench, a holistic benchmark crafted to systematically evaluate potential abilities of MLLMs on three realms: low-level visual perception, low-level visual description, and overall visual quality assessment, confirms that MLLMs possess preliminary low-level visual skills.

    309
  • Accurate Single Stage Detector Using Recurrent Rolling Convolution

    Jimmy Ren, Xiaohao Chen, Jianbo Liu, Wenxiu Sun, Jiahao Pang, Qiong Yan, Yu‐Wing Tai, Xu Li

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2017

    A novel single stage end-to-end trainable object detection network is proposed by introducing Recurrent Rolling Convolution (RRC) architecture over multi-scale feature maps to construct object classifiers and bounding box regressors which are deep in context.

    297
  • FAST-VQA: Efficient End-to-End Video Quality Assessment with Fragment Sampling

    Haoning Wu, Chaofeng Chen, Jingwen Hou, Liang Liao, Annan Wang, Wenxiu Sun, Qiong Yan, Weisi Lin

    Lecture notes in computer science · 2022

    239
  • Q-Instruct: Improving Low-Level Visual Abilities for Multi-Modality Foundation Models

    Haoning Wu, Zicheng Zhang, Erli Zhang, Chaofeng Chen, Liang Liao, Annan Wang, Kaixin Xu, Chunyi Li, +6 more

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2024

    The first dataset consisting of human natural language feedback on low-level vision, and a GPT-participated transformation to convert these feedbacks into a rich set of 200K instruction-response pairs, termed Q-Instruct are collected.

    218
  • Single View Stereo Matching

    Yue Gang Luo, Jimmy Ren, Mude Lin, Jiahao Pang, Wenxiu Sun, Hongsheng Li, Liang Lin

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2018

    This paper shows for the first time that the monocular depth estimation problem can be reformulated as two sub-problems, a view synthesis procedure followed by stereo matching, with two intriguing properties, namely i) geometrical constraints can be explicitly imposed during inference; ii) demand on labelled depth data can be greatly alleviated.

    209
  • Shepard convolutional neural networks

    Jimmy Ren, Li Xu, Qiong Yan, Wenxiu Sun

    neural information processing systems · 2015

    This paper draws on Shepard interpolation and design Shepard Convolutional Neural Networks (ShCNN) which efficiently realizes end-to-end trainable TVI operators in the network and shows that by adding only a few feature maps in the new Shepard layers, the network is able to achieve stronger results than a much deeper architecture.

    190
  • Efficient Regional Memory Network for Video Object Segmentation

    Haozhe Xie, Hongxun Yao, Shangchen Zhou, Shengping Zhang, Wenxiu Sun

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2021

    The proposed RM-Net effectively alleviates the ambiguity of similar objects in both memory and query frames, which allows the information to be passed from the regional memory to the query region efficiently and effectively.

    183
  • FuseFormer: Fusing Fine-Grained Information in Transformers for Video Inpainting

    Rui Zhou Zhenzhen Liu, Hanming Deng, Yangyi Huang, Xiaoyu Shi, Lewei Lu, Wenxiu Sun, Xiaogang Wang, Jifeng Dai, +1 more

    IEEE/CVF International Conference on Computer Vision (ICCV) · 2021

    This work proposes FuseFormer, a Transformer model designed for video inpainting via fine-grained feature fusion based on novel Soft Split and Soft Composition operations, which surpasses state-of-the-art methods in both quantitative and qualitative evaluations.

    180
  • Polarized Reflection Removal With Perfect Alignment in the Wild

    Chenyang Lei, Xuhua Huang, Mengdi Zhang, Qiong Yan, Wenxiu Sun, Qifeng Chen

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2020

    This work identifies the misalignment issues of existing reflection removal datasets where the collected reflection-free images are not perfectly aligned with input mixed images due to glass refraction and proposes a polarized reflection removal model with a two-stage architecture.

    152
  • LSTM Pose Machines

    Yue Gang Luo, Jimmy Ren, Zhouxia Wang, Wenxiu Sun, Jinshan Pan, Jianbo Liu, Jiahao Pang, Liang Lin

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2018

    It is shown that if the weight sharing scheme is imposed to the multi-stage CNN, it could be re-written as a Recurrent Neural Network (RNN), which decouples the relationship among multiple network stages and results in significantly faster speed in invoking the network for videos.

    148
  • Deep Animation Video Interpolation in the Wild

    Siyao Li, Shiyu Zhao, Weijiang Yu, Wenxiu Sun, Dimitris Metaxas, Chen Change Loy, Ziwei Liu

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2021

    This work formally defines and study the animation video interpolation problem for the first time, and proposes an effective framework, AnimeInterp, with two dedicated modules in a coarse-to-fine manner, which outperforms existing state-of-the-art interpolation methods for animation videos.

    127
  • Monocular Depth Estimation with Affinity, Vertical Pooling, and Label Enhancement

    Yukang Gan, Xiangyu Xu, Wenxiu Sun, Liang Lin

    Lecture notes in computer science · 2018

    This work explicitly model the relationships of different image locations with an affinity layer and combine absolute and relative features in an end-to-end network to obtain global understanding of the image depth and exploit residual learning to help depth refinement.

    124
  • Towards Real Scene Super-Resolution With Raw Images

    Xiangyu Xu, Yongrui Ma, Wenxiu Sun

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2019

    A new pipeline to generate realistic training data by simulating the imaging process of digital cameras is proposed and a dual convolutional neural network is developed to exploit the originally captured radiance information in raw images to recover fine details and clear structures.

    122
  • Look, Listen and Learn — A Multimodal LSTM for Speaker Identification

    Jimmy Ren, Yongtao Hu, Yu‐Wing Tai, Chuan Wang, Li Xu, Wenxiu Sun, Qiong Yan

    Proceedings of the AAAI Conference on Artificial Intelligence · 2016

    A novel multimodal Long Short-Term Memory (LSTM) architecture which seamlessly unifies both visual and auditory modalities from the beginning of each sequence input is described which outperforms the state-of-the-art systems in speaker identification with lower false alarm rate and higher recognition accuracy.

    115
  • Enhanced Quadratic Video Interpolation

    Yihao Liu, Liangbin Xie, Siyao Li, Wenxiu Sun, Yu Qiao, Chao Dong

    Lecture notes in computer science · 2020

    This work improves the performance of QVI from three facets and proposes an enhanced quadratic video interpolation (EQVI) model that won the first place in the AIM2020 Video Temporal Super-Resolution Challenge and devise a novel multi-scale fusion network (MS-Fusion) which can be regarded as a learnable augmentation process.

    100
  • Neighbourhood Representative Sampling for Efficient End-to-End Video Quality Assessment

    Haoning Wu, Chaofeng Chen, Liang Liao, Jingwen Hou, Wenxiu Sun, Qiong Yan, Jinwei Gu, Weisi Lin

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2023

    This work proposes a unified scheme, spatial-temporal grid mini-cube sampling (St-GMS), and the resultant samples are named fragments, a network architecture tailored specifically for fragments that achieves up to 1612× efficiency than the existing state-of-the-art VQA benchmarks.

    99
  • DisCoVQA: Temporal Distortion-Content Transformers for Video Quality Assessment

    Haoning Wu, Chaofeng Chen, Liang Liao, Jingwen Hou, Wenxiu Sun, Qiong Yan, Weisi Lin

    IEEE Transactions on Circuits and Systems for Video Technology · 2023

    The proposed Temporal Distortion-Content Transformers for Video Quality Assessment (DisCoVQA) reaches state-of-the-art performance on several VQA benchmarks without any extra pre-training datasets and up to 10% better generalization ability than existing methods.

    86
  • Towards Explainable In-the-Wild Video Quality Assessment: A Database and a Language-Prompted Approach

    Haoning Wu, Erli Zhang, Liang Liao, Chaofeng Chen, Jingwen Hou, Annan Wang, Wenxiu Sun, Qiong Yan, +1 more

    ACM International Conference on Multimedia (ACM MM) · 2023

    The MaxVQA is proposed, a language-prompted VQA approach that modifies vision-language foundation model CLIP to better capture important quality issues as observed in the authors' analyses.

    80
  • Deep Surface Normal Estimation With Hierarchical RGB-D Fusion

    Jin Zeng, Yanfeng Tong, Yunmu Huang, Qiong Yan, Wenxiu Sun, Jing Chen, Yongtian Wang

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2019

    A hierarchical fusion network with adaptive feature re-weighting is proposed for surface normal estimation from a single RGB-D image, outperforming state-of-the-art normal estimation schemes.

    79
  • Learning N:M Fine-grained Structured Sparse Neural Networks From Scratch

    Aojun Zhou, Yukun Ma, Junnan Zhu, Jianbo Liu, Zhijie Zhang, Kun Yuan, Wenxiu Sun, Hongsheng Li

    arXiv · 2021

    73
  • Dual-Camera Super-Resolution with Aligned Attention Modules

    Tengfei Wang, Jiaxin Xie, Wenxiu Sun, Qiong Yan, Qifeng Chen

    IEEE/CVF International Conference on Computer Vision (ICCV) · 2021

    This work proposes a self-supervised domain adaptation strategy for real-world images that generalizes the standard patch-based feature matching with spatial alignment operations and further explores the dual-camera super-resolution that is one promising application of RefSR.

    68
  • Zoom and Learn: Generalizing Deep Stereo Matching to Novel Domains

    Jiahao Pang, Wenxiu Sun, Chengxi Yang, Jimmy Ren, Ruichao Xiao, Jin Zeng, Liang Lin

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2018

    This work proposes a self-adaptation approach for CNN training, utilizing both synthetic training data and stereo pairs in the new domain (without ground-truths), and forms an iterative optimization problem with graph Laplacian regularization.

    66
  • StereoGAN: Bridging Synthetic-to-Real Domain Gap by Joint Optimization of Domain Translation and Stereo Matching

    Rui Zhou Zhenzhen Liu, Chengxi Yang, Wenxiu Sun, Xiaogang Wang, Hongsheng Li

    IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings - IEEE Computer Society Conference on Computer Vision and Pattern Recognition/Proceedings · 2020

    The proposed end-to-end training framework introduces two novel losses, i.e., bidirectional multi-scale feature re-projection loss and correlation consistency loss, to help translate all synthetic stereo images into realistic ones as well as maintain epipolar constraints.

    52
  • Learning Spatial and Spatio-Temporal Pixel Aggregations for Image and Video Denoising

    Xiangyu Xu, Muchen Li, Wenxiu Sun, Ming–Hsuan Yang

    IEEE Transactions on Image Processing · 2020

    A spatial pixel aggregation network is presented and the pixel sampling and averaging strategies for image denoising are learned and the proposed model naturally adapts to image structures and can effectively improve the denoised results.

    51
  • Decoupled Spatial-Temporal Transformer for Video Inpainting

    Rui Zhou Zhenzhen Liu, Hanming Deng, Yangyi Huang, Xiaoyu Shi, Lewei Lu, Wenxiu Sun, Xiaogang Wang, Jifeng Dai, +1 more

    arXiv · 2021

    46
  • Deep Graph Laplacian Regularization for Robust Denoising of Real Images

    Jin Zeng, Jiahao Pang, Wenxiu Sun, Gene Cheung

    IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) · 2019

    By integrating graph Laplacian regularization as a trainable module into a deep learning framework, this work is less susceptible to overfitting than pure CNN-based approaches, achieving higher robustness to small datasets and cross-domain denoising.

    45
  • AIM 2019 Challenge on Bokeh Effect Synthesis: Methods and Results

    Andrey Ignatov, Jagruti Patel, Radu Timofte, Bolun Zheng, Xin Ye, Li Huang, Xiang Tian, Saikat Dutta, +22 more

    2019 IEEE/CVF International Conference on Computer Vision Workshop (ICCVW) · 2019

    44
  • Quadratic video interpolation

    Xiangyu Xu, Siyao Li, Wenxiu Sun, Qian Yin, Ming–Hsuan Yang

    arXiv · 2019

    44
  • An overview of free viewpoint depth-image-based rendering (DIBR)

    Wenxiu Sun, Lingfeng Xu, Oscar C. Au, Sung Him Chui, Chun Wing Kwok

    Rare & Special e-Zone (The Hong Kong University of Science and Technology) · 2010

    This paper discusses the techniques for depth map creation, the method for rendering given the depth information and post-processing for corresponding artifacts in the multi-view adaptation, and issues the quality measurement of the generated depth and synthesized view.

    44
  • Exploring the Effectiveness of Video Perceptual Representation in Blind Video Quality Assessment

    Liang Liao, Kangmin Xu, Haoning Wu, Chaofeng Chen, Wenxiu Sun, Qiong Yan, Weisi Lin

    ACM International Conference on Multimedia (ACM MM) · 2022

    Experiments show that the perceptual representation in the HVS is an effective way of predicting subjective temporal quality, and thus TPQI can, for the first time, achieve comparable performance to the spatial quality metric and be even more effective in assessing videos with large temporal variations.

    41
  • Learning Deformable Kernels for Image and Video Denoising

    Xiangyu Xu, Muchen Li, Wenxiu Sun

    arXiv · 2019

    38
  • Deep End-to-End Alignment and Refinement for Time-of-Flight RGB-D Module

    Di Qiu, Jiahao Pang, Wenxiu Sun, Chengxi Yang

    IEEE/CVF International Conference on Computer Vision (ICCV) · 2019

    This work proposes a framework for jointly alignment and refinement via deep learning, achieving state-of-the-art for ToF refinement through improved kernel predicting network that performs kernel normalization and applies the bias prior to the dynamic convolution.

    34
  • Towards Open-Ended Visual Quality Comparison

    Haoning Wu, Hanwei Zhu, Zicheng Zhang, Erli Zhang, Zhaofeng Chen, Liang Liao, Chunyi Li, Annan Wang, +6 more

    Lecture notes in computer science · 2024

    31
  • Exploiting Raw Images for Real-Scene Super-Resolution

    Xiangyu Xu, Yongrui Ma, Wenxiu Sun, Ming–Hsuan Yang

    IEEE Transactions on Pattern Analysis and Machine Intelligence · 2020

    This paper proposes a method to generate more realistic training data by mimicking the imaging process of digital cameras, and develops a two-branch convolutional neural network to exploit the radiance information originally-recorded in raw images.

    31
  • Novel temporal domain hole filling based on background modeling for view synthesis

    Wenxiu Sun, Oscar C. Au, Lingfeng Xu, Yujun Li, Wei Hu

    Proceedings - International Conference on Image Processing · 2012

    31
  • AIM 2020 Challenge on Video Temporal Super-Resolution

    Sanghyun Son, Jaerin Lee, Seungjun Nah, Radu Timofte, Kyoung Mu Lee, Yihao Liu, Liangbin Xie, Siyao Li, +10 more

    Lecture notes in computer science · 2020

    This paper reports the second AIM challenge on Video Temporal Super-Resolution (VTSR), a.k.a. frame interpolation, with a focus on the proposed solutions, results, and analysis, and proposes the enhanced quadratic video interpolation method.

    29
  • SenseNova-U1: Unifying Multimodal Understanding and Generation with NEO-unify Architecture

    Haiwen Diao, Penghao Wu, Hanming Deng, Jiahao Wang, Shihao Bai, Silei Wu, Fan, Weichen, Wenjie Ye, +22 more

    arXiv · 2026

    This work introduces SenseNova-U1, a native unified multimodal paradigm built upon NEO-unify, in which understanding and generation evolve as synergistic views of a single underlying process that points toward a broader roadmap where models do not translate between modalities, but think and act across them in a native manner.

    28
  • Exploring Opinion-Unaware Video Quality Assessment with Semantic Affinity Criterion

    Haoning Wu, Liang Liao, Jingwen Hou, Chaofeng Chen, Erli Zhang, Annan Wang, Wenxiu Sun, Qiong Yan, +1 more

    IEEE International Conference on Multimedia and Expo (ICME) · 2023

    26
  • Color clustering matting

    Yongfang Shi, Oscar C. Au, Jiahao Pang, Ketan Tang, Wenxiu Sun, Hong Zhang, Wenjing Zhu, Luheng Jia

    IEEE International Conference on Multimedia and Expo (ICME) · 2013

    25
  • Toward 3D object reconstruction from stereo images

    Haozhe Xie, Hongxun Yao, Shangchen Zhou, Shengping Zhang, Xiaojun Tong, Wenxiu Sun

    Neurocomputing · 2021

    A new deep learning framework for reconstructing the 3D shape of an object from a pair of stereo images, which reasons about the3D structure of the object by taking bidirectional disparities and feature correspondences between the two views into account is proposed.

    24
  • AIM 2019 Challenge on Video Temporal Super-Resolution: Methods and Results

    Seungjun Nah, Sanghyun Son, Radu Timofte, Kyoung Mu Lee, Siyao Li, Ze Pan, Xiangyu Xu, Wenxiu Sun, +22 more

    2019 IEEE/CVF International Conference on Computer Vision Workshop (ICCVW) · 2019

    This paper reviews the first AIM challenge on video temporal super-resolution (frame interpolation) with a focus on the proposed solutions and results, and employs the REDS_VTSR dataset derived from diverse videos captured in a hand-held camera for training and evaluation purposes.

    22
  • A Categorized Reflection Removal Dataset with Diverse Real-world Scenes

    Chenyang Lei, Xuhua Huang, Chenyang Qi, Yankun Zhao, Wenxiu Sun, Qiong Yan, Qifeng Chen

    IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) · 2022

    It is shown that state-of-the-art reflection removal methods generally perform well on blurry reflection but fail in obtaining satisfying performance on other types of real-world reflection.

    21
  • Towards Robust Text-Prompted Semantic Criterion for In-the-Wild Video Quality Assessment

    Haoning Wu, Liang Liao, Annan Wang, Chaofeng Chen, Jingwen Hou, Wenxiu Sun, Qiong Yan, Weisi Lin

    arXiv · 2023

    An efficient fine-tuning scheme is devised for BVQI-Local that jointly optimizes text prompts and final fusion weights, resulting in state-of-the-art performance and superior generalization ability in comparison to prevalent opinion-driven VQA methods.

    19
  • Q-Ground: Image Quality Grounding with Large Multi-modality Models

    Chaofeng Chen, Sensen Yang, Haoning Wu, Liang Liao, Zicheng Zhang, Annan Wang, Wenxiu Sun, Qiong Yan, +1 more

    ACM International Conference on Multimedia (ACM MM) · 2024

    18
  • MIPI 2023 Challenge on Nighttime Flare Removal: Methods and Results

    Yuekun Dai, Chongyi Li, Shangchen Zhou, Ruicheng Feng, Qingpeng Zhu, Qianhui Sun, Wenxiu Sun, Chen Change Loy, +22 more

    IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) · 2023

    The developed solutions in this challenge achieved state-of-the-art performance on Nighttime Flare Removal and a detailed description of all models developed is provided in this paper.

    18
  • Semi-synthesis: A fast way to produce effective datasets for stereo matching

    Ju He, Enyu Zhou, Liusheng Sun, Fei Lei, Chenyang Liu, Wenxiu Sun

    IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) · 2021

    This paper proposes semi-synthetic, an effective and fast way to synthesize large amount of data with closeto-real-scene texture to minimize the gap between synthetic data and real data.

    15
  • DSR: Direct Self-Rectification for Uncalibrated Dual-Lens Cameras

    Ruichao Xiao, Wenxiu Sun, Jiahao Pang, Qiong Yan, Jimmy Ren

    International Conference on 3D Vision (3DV) · 2018

    This paper proposes a cost-effective solution to perform stereo rectification for dual-lens cameras called direct self-rectification, short for DSR, which removes the need of individual offline calibration for every pair of dual- lens cameras.

    15
  • MIPI 2022 Challenge on Under-Display Camera Image Restoration: Methods and Results

    Ruicheng Feng, Chongyi Li, Shangchen Zhou, Wenxiu Sun, Qingpeng Zhu, Jun Jiang, Qingyu Yang, Chen Change Loy, +22 more

    Lecture notes in computer science · 2023

    14
  • Image Dehazing using Bilinear Composition Loss Function

    Hui Mei Yang, Jinshan Pan, Qiong Yan, Wenxiu Sun, Jimmy Ren, Yu‐Wing Tai

    arXiv · 2017

    13
  • Convolutional Memory Blocks for Depth Data Representation Learning

    Keze Wang, Liang Lin, Chuangjie Ren, Wei Zhang, Wenxiu Sun

    International Joint Conference on Artificial Intelligence · 2018

    A novel memory network module, called Convolutional Memory Block (CMB), is proposed, which empowers CNNs with the memory mechanism on handling depth data and is employed to develop a concise framework for predicting articulated pose from still depth images.

    12
  • Rate-Constrained 3D Surface Estimation From Noise-Corrupted Multiview Depth Videos

    Wenxiu Sun, Gene Cheung, Philip A. Chou, Dinei A. F. Florencio, Cha Zhang, Oscar C. Au

    IEEE Transactions on Image Processing · 2014

    12
  • Stereo Matching with Optimal Local Adaptive Radiometric Compensation

    Lingfeng Xu, Oscar C. Au, Wenxiu Sun, Lu Fang, Feng Zou, Jiali Li

    IEEE Signal Processing Letters · 2014

    12
  • MIPI 2022 Challenge on Quad-Bayer Re-mosaic: Dataset and Report

    Qingyu Yang, Guang Zhong Yang, Jun Jiang, Chongyi Li, Ruicheng Feng, Shangchen Zhou, Wenxiu Sun, Qingpeng Zhu, +22 more

    Lecture notes in computer science · 2023

    10
  • Seamless View Synthesis Through Texture Optimization

    Wenxiu Sun, Oscar C. Au, Lingfeng Xu, Yujun Li, Wei Hu

    IEEE Transactions on Image Processing · 2013

    10
  • Iterative Token Evaluation and Refinement for Real-World Super-resolution

    Chaofeng Chen, Shangchen Zhou, Liang Liao, Haoning Wu, Wenxiu Sun, Qiong Yan, Weisi Lin

    Proceedings of the AAAI Conference on Artificial Intelligence · 2024

    9
  • MIPI 2022 Challenge on RGB+ToF Depth Completion: Dataset and Report

    Wenxiu Sun, Qingpeng Zhu, Chongyi Li, Ruicheng Feng, Shangchen Zhou, Jun Jiang, Qingyu Yang, Chen Change Loy, +22 more

    Lecture notes in computer science · 2023

    9
  • Quadratic Video Interpolation for VTSR Challenge

    Siyao Li, Xiangyu Xu, Ze Pan, Wenxiu Sun

    2019 IEEE/CVF International Conference on Computer Vision Workshop (ICCVW) · 2019

    9
  • A novel Ray-space based view generation algorithm via Radon transform

    Lingfeng Xu, Ling Hou, Oscar C. Au, Wenxiu Sun, Xingyu Zhang, Yuanfang Guo

    3D Research · 2013

    A novel Radon transform based ray-space interpolation algorithm (RTI) is proposed to generate virtual viewpoint images in the EPI that can generate good interpolation result even if apriori depth range is not known.

    9
  • Hybrid plane fitting for depth estimation

    Lingfeng Xu, Oscar C. Au, Wenxiu Sun, Yujun Li, Jiali Li

    Rare & Special e-Zone (The Hong Kong University of Science and Technology) · 2012

    9
  • Deep Unrolled Weighted Graph Laplacian Regularization for Depth Completion

    Jin Zeng, Qingpeng Zhu, Tongxuan Tian, Wenxiu Sun, Lin Zhang, Shengjie Zhao

    International Journal of Computer Vision · 2024

    The deep unrolled Weighted Graph Laplacian Regularization (WGLR) for depth completion which enhances input fidelity and noise robustness by enforcing input constraints in the network design and is integrated into deep learning framework to develop high-performance yet interpretable network.

    8
  • MIPI 2023 Challenge on RGBW Remosaic: Methods and Results

    Qianhui Sun, Qingyu Yang, Chongyi Li, Shangchen Zhou, Ruicheng Feng, Yuekun Dai, Wenxiu Sun, Qingpeng Zhu, +22 more

    IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) · 2023

    This paper summarizes and reviews the RGBW Joint Remosaic and Denoise track on MIPI 2023, and describes the top three models developed in this challenge.

    8
  • Adaptive depth map assisted matting in 3D video

    Wenxiu Sun, Oscar C. Au, Lingfeng Xu, Zhiding Yu

    IEEE International Conference on Multimedia and Expo (ICME) · 2011

    8
  • Enhancing Diffusion Models with Text-Encoder Reinforcement Learning

    Chaofeng Chen, Annan Wang, Haoning Wu, Liang Liao, Wenxiu Sun, Qiong Yan, Weisi Lin

    Lecture notes in computer science · 2024

    7
  • MIPI 2022 Challenge on RGBW Sensor Re-mosaic: Dataset and Report

    Qingyu Yang, Guang Yang, Jun Jiang, Chongyi Li, Ruicheng Feng, Shangchen Zhou, Wenxiu Sun, Qingpeng Zhu, +13 more

    Lecture notes in computer science · 2023

    7
  • Image compression via sparse reconstruction

    Yuan Yuan, Oscar C. Au, Amin Zheng, Haitao Yang, Ketan Tang, Wenxiu Sun

    IEEE International Conference on Acoustics Speech and Signal Processing · 2014

    7
  • A convex-optimization approach to dense stereo matching

    Yujun Li, Oscar C. Au, Lingfeng Xu, Wenxiu Sun, Sung-Him Chui, Chun-Wing Kwok

    Proceedings - International Conference on Image Processing · 2011

    7
  • Image rectification for single camera stereo system

    Lingfeng Xu, Oscar C. Au, Wenxiu Sun, Yujun Li, Sung Him Chui, Chun Wing Kwok

    Proceedings - International Conference on Image Processing · 2011

    7
  • MIPI 2023 Challenge on RGB+ToF Depth Completion: Methods and Results

    Qingpeng Zhu, Wenxiu Sun, Yuekun Dai, Chongyi Li, Shangchen Zhou, Ruicheng Feng, Qianhui Sun, Chen Change Loy, +15 more

    IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) · 2023

    The results of the competition are presented, the strengths and weaknesses of the top-performing methods are analyzed, and the implications of the findings for future research in RGB+sparse ToF depth completion are discussed.

    6
  • Learning Factorized Weight Matrix for Joint Filtering

    Xiangyu Xu, Yongrui Ma, Wenxiu Sun

    International Conference on Machine Learning · 2020

    6
  • Unsupervised Stereo Matching with Occlusion-Aware Loss

    Ningqi Luo, Chengxi Yang, Wenxiu Sun, Binheng Song

    Lecture notes in computer science · 2018

    This paper proposes an unsupervised stereo matching approach with a novel occlusion-aware reconstruction loss to enforce the disparity smoothness and correctness, and shows that the deep neural network can be well trained without requiring any ground-truth disparity data.

    6
  • Data hiding in error diffused color halftone images

    Yuanfang Guo, Oscar C. Au, Ketan Tang, Jiahao Pang, Wenxiu Sun, Lingfeng Xu, Jiali Li, Xingyu Zhang

    IEEE International Symposium on Circuits and Systems proceedings · 2013

    6
  • Error compensation and reliability based view synthesis

    Wenxiu Sun, Oscar C. Au, Lingfeng Xu, Sung Him Chui, Chun Wing Kwok, Yujun Li

    IEEE International Conference on Acoustics Speech and Signal Processing · 2011

    6
  • Towards Geometry Guided Neural Relighting with Flash Photography

    Di Qiu, Jin Zeng, Zhanghan Ke, Wenxiu Sun, Chengxi Yang

    International Conference on 3D Vision (3DV) · 2020

    This work proposes a framework for image relighting from a single flash photograph with its corresponding depth map using deep learning, and is able to extrapolate realistic high-frequency effects under novel lighting via geometry guided image decomposition from the flashlight image, and predict the cast shadow map from the shadow-encoding transformed depth map.

    5
  • MIPI 2022 Challenge on RGBW Sensor Fusion: Dataset and Report

    Qingyu Yang, Guang Zhong Yang, Jun Jiang, Chongyi Li, Ruicheng Feng, Shangchen Zhou, Wenxiu Sun, Qingpeng Zhu, +22 more

    Lecture notes in computer science · 2023

    4
  • Deep Surface Normal Estimation on the 2-Sphere with Confidence Guided Semantic Attention

    Quewei Li, Jie Jassic Guo, Yang Fei, Qinyu Tang, Wenxiu Sun, Jin Zeng, Yanwen Guo

    Lecture notes in computer science · 2020

    4
  • Deep Graph Laplacian Regularization

    Jin Zeng, Jiahao Pang, Wenxiu Sun, Gene Cheung, Ruichao Xiao

    arXiv · 2018

    By integrating graph Laplacian regularization as a trainable module into a deep learning framework, this work is less susceptible to overfitting than pure CNN-based approaches, achieving higher robustness to small dataset and cross-domain denoising.

    4
  • Robust Tracking Using Region Proposal Networks

    Jimmy Ren, Zhiyang Yu, Jianbo Liu, Rui Zhang, Wenxiu Sun, Jiahao Pang, Xiaohao Chen, Qiong Yan

    arXiv · 2017

    4
  • Enhancing HDR Imaging with Joint Denoising and Deblurring

    Qiang Wen, Zhefan Rao, Chenyang Lei, Wenxiu Sun, Qiong Yan, Jing Li, Fei Lei, Qifeng Chen

    International Journal of Computer Vision · 2025

    A novel and efficient attention-based multi-exposure HDR imaging method, which skillfully selects the optimal information from corrupted LDR inputs by the authors' customized cross-attention mechanism to generate HDR information is proposed.

    3
  • Blind Video Quality Prediction by Uncovering Human Video Perceptual Representation

    Liang Liao, Kangmin Xu, Haoning Wu, Chaofeng Chen, Wenxiu Sun, Qiong Yan, C.‐C. Jay Kuo, Weisi Lin

    IEEE Transactions on Image Processing · 2024

    3
  • MIPI 2023 Challenge on RGBW Fusion: Methods and Results

    Qianhui Sun, Qingyu Yang, Chongyi Li, Shangchen Zhou, Ruicheng Feng, Yuekun Dai, Wenxiu Sun, Qingpeng Zhu, +22 more

    IEEE/CVF Conference on Computer Vision and Pattern Recognition Workshops (CVPRW) · 2023

    This paper summarizes and reviews the RGBW Joint Fusion and Denoise track on MIPI 2023 and describes the models developed in this challenge, including PSNR, SSIM, LPIPS, and KLD.

    3
  • Adaptive depth map filter for blocking artifacts removal and edge preserving

    Wei Hu, Oscar C. Au, Lin Sun, Wenxiu Sun, Lingfeng Xu, Yujun Li

    IEEE International Symposium on Circuits and Systems proceedings · 2012

    3
  • Texture optimization for seamless view synthesis through energy minimization

    Wenxiu Sun, Oscar C. Au, Lingfeng Xu, Yujun Li, Wei Hu, Zhiding Yu

    ACM International Conference on Multimedia (ACM MM) · 2012

    The problem is formulated as joint optimization of inter-view texture similarity and geometry preservation, which significantly differs from traditional view synthesis framework, and the image characteristics of virtual view are inherently inherited from the reference view without introducing any image prior or texture modeling technique.

    3
  • AIDABench: AI Data Analytics Benchmark

    Yibo Yang, Fei Lei, Yixuan Sun, Yantao Zeng, Chengguang Lv, Jiancao Hong, Jiaojiao Tian, Tianyu Qiu, +19 more

    arXiv · 2026

    AIDABench is introduced, a comprehensive benchmark for evaluating AI systems on complex data analytics tasks in an end-to-end manner and offers a principled reference for enterprise procurement, tool selection, and model optimization.

    2
  • Research on Discharge Characteristics and Altitude Correction of Typical Air-gap in 500kV High-Altitude Substation

    Xiuyuan Yao, Ding Yujian, Zhang Yadi, Wenxiu Sun, Wang Bingqiang, Jiang Dexi, Yusheng Liu

    International Conference on Power System Technology (POWERCON) · 2018

    2
  • Learning Factorized Weight Matrix for Joint Image Filtering

    Xiangyu Xu, Yongrui Ma, Wenxiu Sun

    International Conference on Machine Learning · 2020

    1
  • Confidence Inference for Focused Learning in Stereo Matching

    Ruichao Xiao, Wenxiu Sun, Chengxi Yang

    arXiv · 2018

    1
  • Matching Low-Quality Photo to DSLR-Quality with Deep Convolutional Networks

    Weihao Xia, C.G. Yang, Yujiu Yang, Wenxiu Sun

    Lecture notes in computer science · 2018

    This work proposes an end-to-end learning approach that translates low-quality photos captured by cameras with limited capabilities into DSLR-quailty photos and improves the existing state-of-art in terms of structural similarity measure, peak signal- to-noise ratio and by visual appearance.

    1
  • Improved temporal psychovisual modulation for backward-compatible stereoscopic display

    Rui Ma, Oscar C. Au, Pengfei Wan, Lingfeng Xu, Wenxiu Sun, Wei Hu

    IEEE Global Conference on Signal and Information Processing · 2014

    1
  • SenseNova-U1.5: Towards Native Unified Visual Intelligence

    Haiwen Diao, Jiahao Wang, Chenjing Ding, Hanming Deng, Jiangnan Chen, Ruixi Zhang, Ruohui Wang, Wenwen Tong, +22 more

    arXiv · 2026

    –
  • COVID-19 Stigma Instrument-Patient

    Feifei Huang, Wenxiu Sun, Lin Zhang, Hongzhou Lu, Wei‐Ti Chen

    PsycTESTS Dataset · 2022

    –
  • –
  • Radiometry Invariant Stereo Matching

    Oscar C. Au, Wenxiu Sun, Fang Lu, Feng Zou, Jiali Li

    2015

    –
  • Solving dense stereo matching via quadratic programming

    Rui Ma, Oscar C. Au, Pengfei Wan, Wenxiu Sun, Lingfeng Xu, Luheng Jia

    2014 IEEE Visual Communications and Image Processing Conference · 2014

    –
  • –
  • Natural image matting via adaptive local and nonlocal sample clustering

    Haiyan Yang, Oscar C. Au, Yuan Yuan, Wenxiu Sun, Yonggen Ling, Jiahao Pang

    Proceedings - International Conference on Image Processing · 2014

    –
  • Ray-space based camera spacing correction via convex optimization

    Lingfeng Xu, Oscar C. Au, Wenxiu Sun, Jiali Li, Wei Hu, Rui Ma

    IEEE International Conference on Acoustics Speech and Signal Processing · 2013

    –
  • Inferring Depth from a Pair of Images Captured Using Different Aperture Settings

    Yujun Li, Oscar C. Au, Lingfeng Xu, Wenxiu Sun, Wei Hu

    Lecture notes in computer science · 2013

    Two possible ways of inferring depth of the scene from such an image pair with the constraint that both pictures are focused on the closest point of thescene are investigated.

    –
  • –
  • An analysis on bitwise operations in the encrypted domain

    Sung-Him Chui, Oscar C. Au, Chun-Wing Kwok, Yujun Li, Lingfeng Xu, Wenxiu Sun

    IEEE International Conference on Multimedia and Expo (ICME) · 2011

    –
  • –
  • Analyse the Relation between Xie Zhaozhe's Poem Theory and Region

    Wenxiu Sun

    Journal of Minjiang University · 2010

    –
  • Electronic Raman Bands of Neodymium and a New Mechanism for Raman Enhancement

    Xu Yizhuang, Wu Jinguang, Wenxiu Sun, Tao Dongliang, SONG ZENG-FU, Weng Shifu, Zhenhua Xu, Duanfu Xu, +1 more

    Europe PMC (PubMed Central) · 2003

    –

Publication data from OpenAlex, with missing venues and authors filled in from Crossref; citation counts are the higher of OpenAlex and Semantic Scholar, last synced 2026-10-12. One-sentence summaries under some papers are written by Semantic Scholar’s model. Citation counts may be lower than on Google Scholar, which indexes more sources.

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