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To overcome hardware limitations in commercially available depth sensors which result in low-resolution depth maps, depth map super-resolution (DMSR) is a practical and valuable computer vision task. DMSR requires upscaling a low-resolution…

计算机视觉与模式识别 · 计算机科学 2023-06-28 Ryan Peterson , Josiah Smith

We present a novel neural surface reconstruction method called NeuralRoom for reconstructing room-sized indoor scenes directly from a set of 2D images. Recently, implicit neural representations have become a promising way to reconstruct…

计算机视觉与模式识别 · 计算机科学 2022-11-29 Yusen Wang , Zongcheng Li , Yu Jiang , Kaixuan Zhou , Tuo Cao , Yanping Fu , Chunxia Xiao

A low-resolution digital surface model (DSM) features distinctive attributes impacted by noise, sensor limitations and data acquisition conditions, which failed to be replicated using simple interpolation methods like bicubic. This causes…

图像与视频处理 · 电气工程与系统科学 2024-04-08 Daniel Panangian , Ksenia Bittner

Reconstructing detailed 3D scenes from single-view images remains a challenging task due to limitations in existing approaches, which primarily focus on geometric shape recovery, overlooking object appearances and fine shape details. To…

计算机视觉与模式识别 · 计算机科学 2023-11-02 Yixin Chen , Junfeng Ni , Nan Jiang , Yaowei Zhang , Yixin Zhu , Siyuan Huang

Deep stereo matching has advanced significantly on benchmark datasets through fine-tuning but falls short of the zero-shot generalization seen in foundation models in other vision tasks. We introduce CogStereo, a novel framework that…

计算机视觉与模式识别 · 计算机科学 2025-10-28 Lihuang Fang , Xiao Hu , Yuchen Zou , Hong Zhang

Existing shadow removal methods often rely on shadow masks, which are challenging to acquire in real-world scenarios. Exploring intrinsic image cues, such as local contrast information, presents a potential alternative for guiding shadow…

计算机视觉与模式识别 · 计算机科学 2025-11-27 Jiyu Wu , Yifan Liu , Jiancheng Huang , Mingfu Yan , Shifeng Chen

Projecting images onto non-planar surfaces inevitably introduces geometric distortions that degrade visual quality. Traditional correction methods often require tedious manual calibration or structured light sequences to establish…

光学 · 物理学 2026-02-10 Kejin Peng , Jia Wei , Xiang Hao

Compressed video super-resolution (SR) aims to generate high-resolution (HR) videos from the corresponding low-resolution (LR) compressed videos. Recently, some compressed video SR methods attempt to exploit the spatio-temporal information…

计算机视觉与模式识别 · 计算机科学 2026-04-23 Qiang Zhu , Fan Zhang , Feiyu Chen , Shuyuan Zhu , David Bull , Bing Zeng

Self-supervised video denoising methods typically extend image-based frameworks into the temporal dimension, yet they often struggle to integrate inter-frame temporal consistency with intra-frame spatial specificity. Existing Video…

计算机视觉与模式识别 · 计算机科学 2026-03-12 Mingjie Ji , Zhan Shi , Kailai Zhou , Zixuan Fu , Xun Cao

We present a novel convolutional neural network architecture for photometric stereo (Woodham, 1980), a problem of recovering 3D object surface normals from multiple images observed under varying illuminations. Despite its long history in…

计算机视觉与模式识别 · 计算机科学 2018-05-30 Tatsunori Taniai , Takanori Maehara

RGB images differentiate from depth images as they carry more details about the color and texture information, which can be utilized as a vital complementary to depth for boosting the performance of 3D semantic scene completion (SSC). SSC…

计算机视觉与模式识别 · 计算机科学 2019-05-02 Jie Li , Yu Liu , Dong Gong , Qinfeng Shi , Xia Yuan , Chunxia Zhao , Ian Reid

Conventional face super-resolution methods usually assume testing low-resolution (LR) images lie in the same domain as the training ones. Due to different lighting conditions and imaging hardware, domain gaps between training and testing…

计算机视觉与模式识别 · 计算机科学 2021-08-18 Peike Li , Xin Yu , Yi Yang

We introduce a novel method to obtain high-quality 3D reconstructions from consumer RGB-D sensors. Our core idea is to simultaneously optimize for geometry encoded in a signed distance field (SDF), textures from automatically-selected…

计算机视觉与模式识别 · 计算机科学 2017-08-08 Robert Maier , Kihwan Kim , Daniel Cremers , Jan Kautz , Matthias Nießner

Signed Distance Functions (SDFs) are vital implicit representations to represent high fidelity 3D surfaces. Current methods mainly leverage a neural network to learn an SDF from various supervisions including signed distances, 3D point…

计算机视觉与模式识别 · 计算机科学 2024-12-30 Chao Chen , Yu-Shen Liu , Zhizhong Han

We present a diffusion-based portrait shadow removal approach that can robustly produce high-fidelity results. Unlike previous methods, we cast shadow removal as diffusion-based inpainting. To this end, we first train a shadow-independent…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Wanchang Yu , Qing Zhang , Rongjia Zheng , Wei-Shi Zheng

Despite recent advances, single-image super-resolution (SR) remains challenging, especially in real-world scenarios with complex degradations. Diffusion-based SR methods, particularly those built on Stable Diffusion, leverage strong…

计算机视觉与模式识别 · 计算机科学 2026-04-29 Fabio D'Oronzio , Federico Putamorsi , Leonardo Zini , Marcella Cornia , Lorenzo Baraldi

Recent advancements in deep learning have yielded promising results for the image shadow removal task. However, most existing methods rely on binary pre-generated shadow masks. The binary nature of such masks could potentially lead to…

计算机视觉与模式识别 · 计算机科学 2025-03-13 Xinrui Wang , Lanqing Guo , Xiyu Wang , Siyu Huang , Bihan Wen

Guided depth map super-resolution (GDSR), as a hot topic in multi-modal image processing, aims to upsample low-resolution (LR) depth maps with additional information involved in high-resolution (HR) RGB images from the same scene. The…

计算机视觉与模式识别 · 计算机科学 2023-08-24 Zixiang Zhao , Jiangshe Zhang , Xiang Gu , Chengli Tan , Shuang Xu , Yulun Zhang , Radu Timofte , Luc Van Gool

Video Super-Resolution (VSR) aims to restore high-resolution (HR) videos from low-resolution (LR) videos. Existing VSR techniques usually recover HR frames by extracting pertinent textures from nearby frames with known degradation…

图像与视频处理 · 电气工程与系统科学 2023-01-02 Zhongwei Qiu , Huan Yang , Jianlong Fu , Daochang Liu , Chang Xu , Dongmei Fu

Recovery of a 3D head model including the complete face and hair regions is still a challenging problem in computer vision and graphics. In this paper, we consider this problem using only a few multi-view portrait images as input. Previous…

计算机视觉与模式识别 · 计算机科学 2021-10-05 Xueying Wang , Yudong Guo , Zhongqi Yang , Juyong Zhang