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6D object pose estimation is an important task that determines the 3D position and 3D rotation of an object in camera-centred coordinates. By utilizing such a task, one can propose promising solutions for various problems related to scene…

Computer Vision and Pattern Recognition · Computer Science 2019-03-20 Caner Sahin , Guillermo Garcia-Hernando , Juil Sock , Tae-Kyun Kim

Depth map fusion is an essential part in both stereo and RGB-D based 3-D reconstruction pipelines. Whether produced with a passive stereo reconstruction or using an active depth sensor, such as Microsoft Kinect, the depth maps have noise…

Computer Vision and Pattern Recognition · Computer Science 2018-04-25 Markus Ylimäki , Juho Kannala , Janne Heikkilä

Learning a 3D representation of a scene has been a challenging problem for decades in computer vision. Recent advances in implicit neural representation from images using neural radiance fields(NeRF) have shown promising results. Some of…

Computer Vision and Pattern Recognition · Computer Science 2022-11-08 Arnab Dey , Andrew I. Comport

Visual odometry algorithms tend to degrade when facing low-textured scenes -from e.g. human-made environments-, where it is often difficult to find a sufficient number of point features. Alternative geometrical visual cues, such as lines,…

Computer Vision and Pattern Recognition · Computer Science 2021-11-08 Joan P. Company-Corcoles , Emilio Garcia-Fidalgo , Alberto Ortiz

This paper presents an efficient and accurate radar odometry pipeline for large-scale localization. We propose a radar filter that keeps only the strongest reflections per-azimuth that exceeds the expected noise level. The filtered radar…

Obtaining high-quality 3D reconstructions of room-scale scenes is of paramount importance for upcoming applications in AR or VR. These range from mixed reality applications for teleconferencing, virtual measuring, virtual room planing, to…

Computer Vision and Pattern Recognition · Computer Science 2022-03-16 Dejan Azinović , Ricardo Martin-Brualla , Dan B Goldman , Matthias Nießner , Justus Thies

In this paper, the problem of target localization in the presence of outlying sensors is tackled. This problem is important in practice because in many real-world applications the sensors might report irrelevant data unintentionally or…

Optimization and Control · Mathematics 2018-02-15 Alireza Zaeemzadeh , Mohsen Joneidi , Behzad Shahrasbi , Nazanin Rahnavard

Deep reinforcement learning has achieved great success in laser-based collision avoidance works because the laser can sense accurate depth information without too much redundant data, which can maintain the robustness of the algorithm when…

Robotics · Computer Science 2022-09-02 Jianchuan Ding , Lingping Gao , Wenxi Liu , Haiyin Piao , Jia Pan , Zhenjun Du , Xin Yang , Baocai Yin

One of the main limitations for the resolution of optical instruments is the size of the sensor's pixels. In this paper we introduce a new sub pixel resolution algorithm to enhance the resolution of images. This method is based on the…

Instrumentation and Detectors · Physics 2012-11-12 Siamak Khademi , Ahmad Darudi , Zahra Abbasi

Nearest neighbor (NN) graph based visual re-ranking has emerged as a powerful approach for improving retrieval accuracy, offering the advantages of effectively exploring high-dimensional manifolds without requiring additional fine-tuning.…

Computer Vision and Pattern Recognition · Computer Science 2025-07-09 Jaeyoon Kim , Yoonki Cho , Taeyoung Kim , Sung-Eui Yoon

We propose a novel approach for fast and accurate stereo visual Simultaneous Localization and Mapping (SLAM) independent of feature detection and matching. We extend monocular Direct Sparse Odometry (DSO) to a stereo system by optimizing…

Robotics · Computer Science 2021-12-06 Jiawei Mo , Md Jahidul Islam , Junaed Sattar

Conventional 2D Convolutional Neural Networks (CNN) extract features from an input image by applying linear filters. These filters compute the spatial coherence by weighting the photometric information on a fixed neighborhood without taking…

Computer Vision and Pattern Recognition · Computer Science 2020-09-24 Zongwei Wu , Guillaume Allibert , Christophe Stolz , Cedric Demonceaux

This paper proposes a method to compute camera 6Dof poses to achieve a user defined coverage. The camera placement problem is modeled as a combinatorial optimization where given the maximum number of cameras, a camera set is selected from a…

Computer Vision and Pattern Recognition · Computer Science 2022-03-22 Akshay Malhotra , Dhananjay Singh , Tushar Dadlani , Luis Yoichi Morales

3D object proposals, quickly detected regions in a 3D scene that likely contain an object of interest, are an effective approach to improve the computational efficiency and accuracy of the object detection framework. In this work, we…

Robotics · Computer Science 2018-06-27 Ramanpreet Singh Pahwa , Tian Tsong Ng , Minh N. Do

Recent 6D pose estimation methods demonstrate notable performance but still face some practical limitations. For instance, many of them rely heavily on sensor depth, which may fail with challenging surface conditions, such as transparent or…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Jiahui Wang , Haiyue Zhu , Haoren Guo , Abdullah Al Mamun , Cheng Xiang , Tong Heng Lee

Estimating the 6D pose of textureless objects from RGB images is an important problem in robotics. Due to appearance ambiguities, rotational symmetries, and severe occlusions, single-view based 6D pose estimators are still unable to handle…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Jun Yang , Wenjie Xue , Sahar Ghavidel , Steven L. Waslander

RGB-D scene parsing methods effectively capture both semantic and geometric features of the environment, demonstrating great potential under challenging conditions such as extreme weather and low lighting. However, existing RGB-D scene…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Jianxin Huang , Jiahang Li , Sergey Vityazev , Alexander Dvorkovich , Rui Fan

We present a new approach to approximate nearest-neighbor queries in fixed dimension under a variety of non-Euclidean distances. We are given a set $S$ of $n$ points in $\mathbb{R}^d$, an approximation parameter $\varepsilon > 0$, and a…

Computational Geometry · Computer Science 2023-06-28 Ahmed Abdelkader , Sunil Arya , Guilherme D. da Fonseca , David M. Mount

Object 6D pose estimation is an important research topic in the field of computer vision due to its wide application requirements and the challenges brought by complexity and changes in the real-world. We think fully exploring the…

Computer Vision and Pattern Recognition · Computer Science 2020-12-23 Weitong Hua , Jiaxin Guo , Yue Wang , Rong Xiong

Grounding referring expressions in RGBD image has been an emerging field. We present a novel task of 3D visual grounding in single-view RGBD image where the referred objects are often only partially scanned due to occlusion. In contrast to…

Computer Vision and Pattern Recognition · Computer Science 2021-03-18 Haolin Liu , Anran Lin , Xiaoguang Han , Lei Yang , Yizhou Yu , Shuguang Cui
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