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Real-scanned point clouds are often incomplete due to viewpoint, occlusion, and noise, which hampers 3D geometric modeling and perception. Existing point cloud completion methods tend to generate global shape skeletons and hence lack fine…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Liang Pan , Xinyi Chen , Zhongang Cai , Junzhe Zhang , Haiyu Zhao , Shuai Yi , Ziwei Liu

During 3D reconstruction, it is often the case that people cannot scan each individual object from all views, resulting in missing geometry in the captured scan. This missing geometry can be fundamentally limiting for many applications,…

Computer Vision and Pattern Recognition · Computer Science 2020-03-13 Ji Hou , Angela Dai , Matthias Nießner

Deep neural networks (DNNs) have achieved great success in the area of computer vision. The disparity estimation problem tends to be addressed by DNNs which achieve much better prediction accuracy than traditional hand-crafted feature-based…

Computer Vision and Pattern Recognition · Computer Science 2021-10-07 Qiang Wang , Shaohuai Shi , Shizhen Zheng , Kaiyong Zhao , Xiaowen Chu

Image harmonization aims to adjust the foreground illumination in a composite image to make it harmonious. The existing harmonization methods can only produce one deterministic result for a composite image, ignoring that a composite image…

Computer Vision and Pattern Recognition · Computer Science 2024-07-23 Xinhao Tao , Tianyuan Qiu , Junyan Cao , Li Niu

Image superresolution methods process an input image sequence of a scene to obtain a still image with increased resolution. Classical approaches to this problem involve complex iterative minimization procedures, typically with high…

Computer Vision and Pattern Recognition · Computer Science 2007-05-23 Carlos Miravet , Francisco B. Rodriguez

We propose a novel model for 3D semantic completion from a single depth image, based on a single encoder and three separate generators used to reconstruct different geometric and semantic representations of the original and completed scene,…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Yida Wang , David Joseph Tan , Nassir Navab , Federico Tombari

We present a framework for the end-to-end optimization of metasurface imaging systems that reconstruct targets using compressed sensing, a technique for solving underdetermined imaging problems when the target object exhibits sparsity (i.e.…

Image and Video Processing · Electrical Eng. & Systems 2024-06-28 Gaurav Arya , William F. Li , Charles Roques-Carmes , Marin Soljačić , Steven G. Johnson , Zin Lin

The precise combination of image sensor and micro-lens array enables lenslet light field cameras to record both angular and spatial information of incoming light, therefore, one can calculate disparity and depth from light field images. In…

Computer Vision and Pattern Recognition · Computer Science 2018-11-20 Haoxin Ma , Haotian Li , Zhiwen Qian , Shengxian Shi , Tingting Mu

The visual signal compression is a long-standing problem. Fueled by the recent advances of deep learning, exciting progress has been made. Despite better compression performance, existing end-to-end compression algorithms are still designed…

Computer Vision and Pattern Recognition · Computer Science 2021-11-22 Shurun Wang , Zhao Wang , Shiqi Wang , Yan Ye

Machine learning approaches for fringe projection profilometry (FPP) are hindered by the lack of large, diverse datasets and standardized benchmarking protocols. This paper introduces the first open-source, photorealistic synthetic dataset…

Image and Video Processing · Electrical Eng. & Systems 2026-02-04 Anush Lakshman S , Adam Haroon , Beiwen Li

We present a novel approach that converts partial and noisy RGB-D scans into high-quality 3D scene reconstructions by inferring unobserved scene geometry. Our approach is fully self-supervised and can hence be trained solely on real-world,…

Computer Vision and Pattern Recognition · Computer Science 2020-03-26 Angela Dai , Christian Diller , Matthias Nießner

Scene text detection has witnessed rapid development in recent years. However, there still exists two main challenges: 1) many methods suffer from false positives in their text representations; 2) the large scale variance of scene texts…

Computer Vision and Pattern Recognition · Computer Science 2020-04-13 Yuxin Wang , Hongtao Xie , Zhengjun Zha , Mengting Xing , Zilong Fu , Yongdong Zhang

Depth completion from sparse LiDAR measurements and corresponding RGB images is a prerequisite for accurate 3D perception in robotic systems. Existing methods achieve high accuracy on standard benchmarks but rely on heavy backbone…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Johny J. Lopez , Md Meftahul Ferdaus , Mahdi Abdelguerfi , Anton Netchaev , Steven Sloan , Ken Pathak , Kendall N. Niles

Enforcing constraint satisfaction in neural network outputs is critical for safety, reliability, and physical fidelity in many control and decision-making applications. While soft-constrained methods penalize constraint violations during…

Machine Learning · Computer Science 2026-05-28 Andrea Goertzen , Kaveh Alim , Youngjae Min , Navid Azizan

We propose EscherNet++, a masked fine-tuned diffusion model that can synthesize novel views of objects in a zero-shot manner with amodal completion ability. Existing approaches utilize multiple stages and complex pipelines to first…

Computer Vision and Pattern Recognition · Computer Science 2025-07-11 Xinan Zhang , Muhammad Zubair Irshad , Anthony Yezzi , Yi-Chang Tsai , Zsolt Kira

In Fringe Projection Profilometry (FPP), achieving robust and accurate 3D reconstruction with a limited number of fringe patterns remains a challenge in structured light 3D imaging. Conventional methods require a set of fringe images, but…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Won-Hoe Kim , Bongjoong Kim , Hyung-Gun Chi , Jae-Sang Hyun

Single-view point cloud completion aims to recover the full geometry of an object based on only limited observation, which is extremely hard due to the data sparsity and occlusion. The core challenge is to generate plausible geometries to…

Computer Vision and Pattern Recognition · Computer Science 2022-10-05 Bowen Zhang , Xi Zhao , He Wang , Ruizhen Hu

Data acquired from multi-channel sensors is a highly valuable asset to interpret the environment for a variety of remote sensing applications. However, low spatial resolution is a critical limitation for previous sensors and the constituent…

Computer Vision and Pattern Recognition · Computer Science 2018-07-17 Savas Ozkan , Berk Kaya , Gozde Bozdagi Akar

We engage in the relatively underexplored task named thermal infrared image enhancement. Existing infrared image enhancement methods primarily focus on tackling individual degradations, such as noise, contrast, and blurring, making it…

Computer Vision and Pattern Recognition · Computer Science 2025-10-13 Jinyuan Liu , Zihang Chen , Zhu Liu , Zhiying Jiang , Long Ma , Xin Fan , Risheng Liu

This paper presents a novel technique for progressive online integration of uncalibrated image sequences with substantial geometric and/or photometric discrepancies into a single, geometrically and photometrically consistent image. Our…

Graphics · Computer Science 2019-09-11 Markus Kluge , Tim Weyrich , Andreas Kolb