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6D object pose estimation problem has been extensively studied in the field of Computer Vision and Robotics. It has wide range of applications such as robot manipulation, augmented reality, and 3D scene understanding. With the advent of…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Negar Nejatishahidin , Pooya Fayyazsanavi

Existing view-based methods excel at recognizing 3D objects from predefined viewpoints, but their exploration of recognition under arbitrary views is limited. This is a challenging and realistic setting because each object has different…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Linlong Fan , Ye Huang , Yanqi Ge , Wen Li , Lixin Duan

Recent camera-based 3D object detection is limited by the precision of transforming from image to 3D feature spaces, as well as the accuracy of object localization within the 3D space. This paper aims to address such a fundamental problem…

Computer Vision and Pattern Recognition · Computer Science 2024-02-08 Chaoqun Wang , Yiran Qin , Zijian Kang , Ningning Ma , Ruimao Zhang

Detecting and localizing objects in the real 3D space, which plays a crucial role in scene understanding, is particularly challenging given only a monocular image due to the geometric information loss during imagery projection. We propose…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Zengyi Qin , Jinglu Wang , Yan Lu

We consider the problem of category-level 6D pose estimation from a single RGB image. Our approach represents an object category as a cuboid mesh and learns a generative model of the neural feature activations at each mesh vertex to perform…

Computer Vision and Pattern Recognition · Computer Science 2022-09-14 Wufei Ma , Angtian Wang , Alan Yuille , Adam Kortylewski

There is much empirical evidence that item-item collaborative filtering works well in practice. Motivated to understand this, we provide a framework to design and analyze various recommendation algorithms. The setup amounts to online binary…

Machine Learning · Computer Science 2016-01-11 Guy Bresler , Devavrat Shah , Luis F. Voloch

In this paper, we introduce a new method for classifying 3D objects. Our main idea is to project a 3D object onto a spherical domain centered around its barycenter and develop neural network to classify the spherical projection. We…

Computer Vision and Pattern Recognition · Computer Science 2017-12-13 Zhangjie Cao , Qixing Huang , Karthik Ramani

A robust and accurate 3D detection system is an integral part of autonomous vehicles. Traditionally, a majority of 3D object detection algorithms focus on processing 3D point clouds using voxel grids or bird's eye view (BEV). Recent works,…

Computer Vision and Pattern Recognition · Computer Science 2020-09-18 Sumesh Thakur , Jiju Peethambaran

Depth cues are known to be useful for visual perception. However, direct measurement of depth is often impracticable. Fortunately, though, modern learning-based methods offer promising depth maps by inference in the wild. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2023-09-26 Zongwei Wu , Danda Pani Paudel , Deng-Ping Fan , Jingjing Wang , Shuo Wang , Cédric Demonceaux , Radu Timofte , Luc Van Gool

Regret in Large Language Models refers to their explicit regret expression when presented with evidence contradicting their previously generated misinformation. Studying the regret mechanism is crucial for enhancing model reliability and…

Computation and Language · Computer Science 2025-06-19 Xiangxiang Cui , Shu Yang , Tianjin Huang , Wanyu Lin , Lijie Hu , Di Wang

In this paper, we address the efficient implementation of moving horizon state estimation of constrained discrete-time linear systems. We propose a novel iteration scheme which employs a proximity-based formulation of the underlying…

Optimization and Control · Mathematics 2021-11-09 Meriem Gharbi , Bahman Gharesifard , Christian Ebenbauer

Many man-made objects are characterised by a shape that is symmetric along one or more planar directions. Estimating the location and orientation of such symmetry planes can aid many tasks such as estimating the overall orientation of an…

Computer Vision and Pattern Recognition · Computer Science 2021-07-01 Mihaela Cătălina Stoian , Tommaso Cavallari

Current RGB-based 6D object pose estimation methods have achieved noticeable performance on datasets and real world applications. However, predicting 6D pose from single 2D image features is susceptible to disturbance from changing of…

Computer Vision and Pattern Recognition · Computer Science 2022-07-04 Jun Wu , Lilu Liu , Yue Wang , Rong Xiong

Existing point-cloud based 3D object detectors use convolution-like operators to process information in a local neighbourhood with fixed-weight kernels and aggregate global context hierarchically. However, non-local neural networks and…

Computer Vision and Pattern Recognition · Computer Science 2021-08-23 Prarthana Bhattacharyya , Chengjie Huang , Krzysztof Czarnecki

In autonomous driving, 3D object detection is essential for accurately identifying and tracking objects. Despite the continuous development of various technologies for this task, a significant drawback is observed in most of them-they…

Computer Vision and Pattern Recognition · Computer Science 2025-02-05 Hsin-Cheng Lu , Chung-Yi Lin , Winston H. Hsu

Environmental perception obtained via object detectors have no predictable safety layer encoded into their model schema, which creates the question of trustworthiness about the system's prediction. As can be seen from recent adversarial…

Computer Vision and Pattern Recognition · Computer Science 2022-11-11 Abhishek Vivekanandan , Niels Maier , J. Marius Zoellner

We explore long-term temporal visual correspondence-based optimization for 3D video object detection in this work. Visual correspondence refers to one-to-one mappings for pixels across multiple images. Correspondence-based optimization is…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Jiawei He , Yuntao Chen , Naiyan Wang , Zhaoxiang Zhang

We study the problem of symmetry detection of 3D shapes from single-view RGB-D images, where severely missing data renders geometric detection approach infeasible. We propose an end-to-end deep neural network which is able to predict both…

Computer Vision and Pattern Recognition · Computer Science 2020-09-01 Yifei Shi , Junwen Huang , Hongjia Zhang , Xin Xu , Szymon Rusinkiewicz , Kai Xu

For non-rigid objects, predicting the 3D shape from 2D keypoint observations is ill-posed due to occlusions, and the need to disentangle changes in viewpoint and changes in shape. This challenge has often been addressed by embedding…

Computer Vision and Pattern Recognition · Computer Science 2025-04-29 Shalini Maiti , Lourdes Agapito , Benjamin Graham

Pose estimation is a widely explored problem, enabling many robotic tasks such as grasping and manipulation. In this paper, we tackle the problem of pose estimation for objects that exhibit rotational symmetry, which are common in man-made…

Computer Vision and Pattern Recognition · Computer Science 2018-10-16 Enric Corona , Kaustav Kundu , Sanja Fidler
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