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Modern large displacement optical flow algorithms usually use an initialization by either sparse descriptor matching techniques or dense approximate nearest neighbor fields. While the latter have the advantage of being dense, they have the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-30 Christian Bailer , Bertram Taetz , Didier Stricker

Latest diffusion models have shown promising results in category-level 6D object pose estimation by modeling the conditional pose distribution with depth image input. The existing methods, however, suffer from slow convergence during…

Computer Vision and Pattern Recognition · Computer Science 2025-10-07 Seunghyun Lee , Tae-Kyun Kim

Camera localization in 3D LiDAR maps has gained increasing attention due to its promising ability to handle complex scenarios, surpassing the limitations of visual-only localization methods. However, existing methods mostly focus on…

Robotics · Computer Science 2024-10-28 Huai Yu , Kuangyi Chen , Wen Yang , Sebastian Scherer , Gui-Song Xia

The problem of identifying the 3D pose of a known object from a given 2D image has important applications in Computer Vision. Our proposed method of registering a 3D model of a known object on a given 2D photo of the object has numerous…

Computer Vision and Pattern Recognition · Computer Science 2013-12-02 Srimal Jayawardena , Marcus Hutter , Nathan Brewer

We propose a weakly-supervised multi-view learning approach to learn category-specific surface mapping without dense annotations. We learn the underlying surface geometry of common categories, such as human faces, cars, and airplanes, given…

Computer Vision and Pattern Recognition · Computer Science 2021-05-05 Nishant Rai , Aidas Liaudanskas , Srinivas Rao , Rodrigo Ortiz Cayon , Matteo Munaro , Stefan Holzer

Feature matching plays a fundamental role in many computer vision tasks, yet existing methods heavily rely on scarce and clean multi-view image collections, which constrains their generalization to diverse and challenging scenarios.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-08 Yingping Liang , Yutao Hu , Wenqi Shao , Ying Fu

Hand-held light field (LF) cameras have unique advantages in computer vision such as 3D scene reconstruction and depth estimation. However, the related applications are limited by the ultra-small baseline, e.g., leading to the extremely low…

Computer Vision and Pattern Recognition · Computer Science 2022-02-01 Xiao Huo , Dongyang Jin , Saiping Zhang , Fuzheng Yang

We propose a new self-supervised approach to image feature learning from motion cue. This new approach leverages recent advances in deep learning in two directions: 1) the success of training deep neural network in estimating optical flow…

Computer Vision and Pattern Recognition · Computer Science 2019-01-10 Bin Ma , Shubao Liu , Yingxuan Zhi , Qi Song

Deformable image registration is able to achieve fast and accurate alignment between a pair of images and thus plays an important role in many medical image studies. The current deep learning (DL)-based image registration approaches…

Computer Vision and Pattern Recognition · Computer Science 2022-06-07 Xinke Ma , Yibo Yang , Yong Xia , Dacheng Tao

Determining accurate bird's eye view (BEV) positions of objects and tracks in a scene is vital for various perception tasks including object interactions mapping, scenario extraction etc., however, the level of supervision required to…

Computer Vision and Pattern Recognition · Computer Science 2022-12-08 Paridhi Singh , Gaurav Singh , Arun Kumar

Camera, and associated with its objects within the field of view, localization could benefit many computer vision fields, such as autonomous driving, robot navigation, and augmented reality (AR). In this survey, we first introduce specific…

Computer Vision and Pattern Recognition · Computer Science 2022-01-19 Meng Xu , Youchen Wang , Bin Xu , Jun Zhang , Jian Ren , Stefan Poslad , Pengfei Xu

In this paper, we present a new approach for improving 3D point and line mapping regression for camera re-localization. Previous methods typically rely on feature matching (FM) with stored descriptors or use a single network to encode both…

Computer Vision and Pattern Recognition · Computer Science 2025-03-03 Bach-Thuan Bui , Huy-Hoang Bui , Yasuyuki Fujii , Dinh-Tuan Tran , Joo-Ho Lee

We propose a novel method to estimate a driver's points-of-gaze using a pair of ordinary cameras mounted on the windshield and dashboard of a car. This is a challenging problem due to the dynamics of traffic environments with 3D scenes of…

Computer Vision and Pattern Recognition · Computer Science 2024-04-12 Dat Viet Thanh Nguyen , Anh Tran , Hoai Nam Vu , Cuong Pham , Minh Hoai

We present Location Field Descriptors, a novel approach for single image 3D model retrieval in the wild. In contrast to previous methods that directly map 3D models and RGB images to an embedding space, we establish a common low-level…

Computer Vision and Pattern Recognition · Computer Science 2019-08-09 Alexander Grabner , Peter M. Roth , Vincent Lepetit

Inferring the 6DoF pose of an object from a single RGB image is an important but challenging task, especially under heavy occlusion. While recent approaches improve upon the two stage approaches by training an end-to-end pipeline, they do…

Computer Vision and Pattern Recognition · Computer Science 2020-11-24 Anshul Gupta , Joydeep Medhi , Aratrik Chattopadhyay , Vikram Gupta

Among applications of deep learning (DL) involving low cost sensors, remote image classification involves a physical channel that separates edge sensors and cloud classifiers. Traditional DL models must be divided between an encoder for the…

Image and Video Processing · Electrical Eng. & Systems 2023-10-31 Siyu Qi , Achintha Wijesinghe , Lahiru D. Chamain , Zhi Ding

We propose a novel method for learning convolutional neural image representations without manual supervision. We use motion cues in the form of optical flow, to supervise representations of static images. The obvious approach of training a…

Computer Vision and Pattern Recognition · Computer Science 2018-07-17 Aravindh Mahendran , James Thewlis , Andrea Vedaldi

Recent research on learned visual descriptors has shown promising improvements in correspondence estimation, a key component of many 3D vision tasks. However, existing descriptor learning frameworks typically require ground-truth…

Computer Vision and Pattern Recognition · Computer Science 2024-01-30 Qianqian Wang , Xiaowei Zhou , Bharath Hariharan , Noah Snavely

Category-level 3D pose estimation is a fundamentally important problem in computer vision and robotics, e.g. for embodied agents or to train 3D generative models. However, so far methods that estimate the category-level object pose require…

Computer Vision and Pattern Recognition · Computer Science 2024-07-08 Leonhard Sommer , Artur Jesslen , Eddy Ilg , Adam Kortylewski

Despite impressive performance for high-level downstream tasks, self-supervised pre-training methods have not yet fully delivered on dense geometric vision tasks such as stereo matching or optical flow. The application of self-supervised…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Philippe Weinzaepfel , Thomas Lucas , Vincent Leroy , Yohann Cabon , Vaibhav Arora , Romain Brégier , Gabriela Csurka , Leonid Antsfeld , Boris Chidlovskii , Jérôme Revaud