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Monocular depth estimation and image deblurring are two fundamental tasks in computer vision, given their crucial role in understanding 3D scenes. Performing any of them by relying on a single image is an ill-posed problem. The recent…

计算机视觉与模式识别 · 计算机科学 2023-07-31 Saqib Nazir , Lorenzo Vaquero , Manuel Mucientes , Víctor M. Brea , Daniela Coltuc

Reconstructing 3D layouts from multiple $360^{\circ}$ panoramas has received increasing attention recently as estimating a complete layout of a large-scale and complex room from a single panorama is very difficult. The state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2022-10-24 Jheng-Wei Su , Chi-Han Peng , Peter Wonka , Hung-Kuo Chu

Depth estimation from a single image is a challenging problem in computer vision because binocular disparity or motion information is absent. Whereas impressive performances have been reported in this area recently using end-to-end trained…

计算机视觉与模式识别 · 计算机科学 2023-11-17 Yihong Wu , Yuwen Heng , Mahesan Niranjan , Hansung Kim

Distortion is widely existed in the images captured by popular wide-angle cameras and fisheye cameras. Despite the long history of distortion rectification, accurately estimating the distortion parameters from a single distorted image is…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Kang Liao , Chunyu Lin , Yao Zhao

Occlusion is one of the challenging issues when estimating 3D hand pose. This problem becomes more prominent when hand interacts with an object or two hands are involved. In the past works, much attention has not been given to these…

计算机视觉与模式识别 · 计算机科学 2025-03-28 Mallika Garg , Debashis Ghosh , Pyari Mohan Pradhan

Despite monocular 3D object detection having recently made a significant leap forward thanks to the use of pre-trained depth estimators for pseudo-LiDAR recovery, such two-stage methods typically suffer from overfitting and are incapable of…

计算机视觉与模式识别 · 计算机科学 2022-11-03 Yongzhi Su , Yan Di , Fabian Manhardt , Guangyao Zhai , Jason Rambach , Benjamin Busam , Didier Stricker , Federico Tombari

Monocular 3D detection is a challenging task due to the lack of accurate 3D information. Existing approaches typically rely on geometry constraints and dense depth estimates to facilitate the learning, but often fail to fully exploit the…

计算机视觉与模式识别 · 计算机科学 2023-05-26 Liang Peng , Junkai Xu , Haoran Cheng , Zheng Yang , Xiaopei Wu , Wei Qian , Wenxiao Wang , Boxi Wu , Deng Cai

Due to the current lack of large-scale datasets at the million-scale level, tasks involving panoramic images predominantly rely on existing two-dimensional pre-trained image benchmark models as backbone networks. However, these networks are…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Jingguo Liu , Han Yu , Shigang Li , Jianfeng Li

Neural implicit representations have become a popular choice for modeling surfaces due to their adaptability in resolution and support for complex topology. While previous works have achieved impressive reconstruction quality by training on…

计算机视觉与模式识别 · 计算机科学 2024-08-12 Lu Sang , Abhishek Saroha , Maolin Gao , Daniel Cremers

We investigate the problem of automatically placing an object into a background image for image compositing. Given a background image and a segmented object, the goal is to train a model to predict plausible placements (location and scale)…

计算机视觉与模式识别 · 计算机科学 2023-04-10 Sijie Zhu , Zhe Lin , Scott Cohen , Jason Kuen , Zhifei Zhang , Chen Chen

Sketch-based modeling strives to bring the ease and immediacy of drawing to the 3D world. However, while drawings are easy for humans to create, they are very challenging for computers to interpret due to their sparsity and ambiguity. We…

图形学 · 计算机科学 2018-06-20 Johanna Delanoy , Mathieu Aubry , Phillip Isola , Alexei A. Efros , Adrien Bousseau

3D instance segmentation, with a variety of applications in robotics and augmented reality, is in large demands these days. Unlike 2D images that are projective observations of the environment, 3D models provide metric reconstruction of the…

计算机视觉与模式识别 · 计算机科学 2020-04-29 Lei Han , Tian Zheng , Lan Xu , Lu Fang

We formalize concepts around geometric occlusion in 2D images (i.e., ignoring semantics), and propose a novel unified formulation of both occlusion boundaries and occlusion orientations via a pixel-pair occlusion relation. The former…

计算机视觉与模式识别 · 计算机科学 2020-07-24 Xuchong Qiu , Yang Xiao , Chaohui Wang , Renaud Marlet

This paper presents an algorithm for indoor layout estimation and reconstruction through the fusion of a sequence of captured images and LiDAR data sets. In the proposed system, a movable platform collects both intensity images and 2D LiDAR…

计算机视觉与模式识别 · 计算机科学 2020-01-16 Jieyu Li , Robert L Stevenson

Motion estimation is one of the core challenges in computer vision. With traditional dual-frame approaches, occlusions and out-of-view motions are a limiting factor, especially in the context of environmental perception for vehicles due to…

计算机视觉与模式识别 · 计算机科学 2020-11-05 René Schuster , Christian Unger , Didier Stricker

Buildings' segmentation is a fundamental task in the field of earth observation and aerial imagery analysis. Most existing deep learning-based methods in the literature can be applied to a fixed or narrow-range spatial resolution imagery.…

计算机视觉与模式识别 · 计算机科学 2023-10-04 Hasan Nasrallah , Mustafa Shukor , Ali J. Ghandour

Implicit function based surface reconstruction has been studied for a long time to recover 3D shapes from point clouds sampled from surfaces. Recently, Signed Distance Functions (SDFs) and Occupany Functions are adopted in learning-based…

计算机视觉与模式识别 · 计算机科学 2020-10-23 Meng Jia , Matthew Kyan

Depth information provides valuable insights into the 3D structure especially the outline of objects, which can be utilized to improve the semantic segmentation tasks. However, a naive fusion of depth information can disrupt feature and…

计算机视觉与模式识别 · 计算机科学 2024-08-20 Wei Sun , Yuan Li , Qixiang Ye , Jianbin Jiao , Yanzhao Zhou

The estimation of 3D human body shape and clothing measurements is crucial for virtual try-on and size recommendation problems in the fashion industry but has always been a challenging problem due to several conditions, such as lack of…

计算机视觉与模式识别 · 计算机科学 2022-05-31 Kundan Sai Prabhu Thota , Sungho Suh , Bo Zhou , Paul Lukowicz

With the advent of deep neural networks, learning-based approaches for 3D reconstruction have gained popularity. However, unlike for images, in 3D there is no canonical representation which is both computationally and memory efficient yet…

计算机视觉与模式识别 · 计算机科学 2019-05-01 Lars Mescheder , Michael Oechsle , Michael Niemeyer , Sebastian Nowozin , Andreas Geiger