English
Related papers

Related papers: 3D Object Classification via Spherical Projections

200 papers

3D scanning as a technique to digitize objects in reality and create their 3D models, is used in many fields and areas. Though the quality of 3D scans depends on the technical characteristics of the 3D scanner, the common drawback is the…

Computer Vision and Pattern Recognition · Computer Science 2023-04-14 Kseniya Cherenkova , Elona Dupont , Anis Kacem , Ilya Arzhannikov , Gleb Gusev , Djamila Aouada

Point cloud salient object detection has attracted the attention of researchers in recent years. Since existing works do not fully utilize the geometry context of 3D objects, blurry boundaries are generated when segmenting objects with…

Computer Vision and Pattern Recognition · Computer Science 2025-02-25 Chen Wang , Liyuan Zhang , Le Hui , Qi Liu , Yuchao Dai

Visual semantic correspondence is an important topic in computer vision and could help machine understand objects in our daily life. However, most previous methods directly train on correspondences in 2D images, which is end-to-end but…

Computer Vision and Pattern Recognition · Computer Science 2021-04-14 Yang You , Chengkun Li , Yujing Lou , Zhoujun Cheng , Lizhuang Ma , Cewu Lu , Weiming Wang

We develop new representations and algorithms for three-dimensional (3D) object detection and spatial layout prediction in cluttered indoor scenes. We first propose a clouds of oriented gradient (COG) descriptor that links the 2D appearance…

Computer Vision and Pattern Recognition · Computer Science 2019-06-12 Zhile Ren , Erik B. Sudderth

We introduce a framework for multi-camera 3D object detection. In contrast to existing works, which estimate 3D bounding boxes directly from monocular images or use depth prediction networks to generate input for 3D object detection from 2D…

Computer Vision and Pattern Recognition · Computer Science 2021-10-14 Yue Wang , Vitor Guizilini , Tianyuan Zhang , Yilun Wang , Hang Zhao , Justin Solomon

Orienting objects is a critical component in the automation of many packing and assembly tasks. We present an algorithm to orient novel objects given a depth image of the object in its current and desired orientation. We formulate a…

Robotics · Computer Science 2021-06-01 Shivin Devgon , Jeffrey Ichnowski , Ashwin Balakrishna , Harry Zhang , Ken Goldberg

Recently, end-to-end trainable deep neural networks have significantly improved stereo depth estimation for perspective images. However, 360{\deg} images captured under equirectangular projection cannot benefit from directly adopting…

Computer Vision and Pattern Recognition · Computer Science 2020-03-27 Ning-Hsu Wang , Bolivar Solarte , Yi-Hsuan Tsai , Wei-Chen Chiu , Min Sun

In this paper, we study the problem of 3D object detection from stereo images, in which the key challenge is how to effectively utilize stereo information. Different from previous methods using pixel-level depth maps, we propose employing…

Computer Vision and Pattern Recognition · Computer Science 2019-06-05 Zengyi Qin , Jinglu Wang , Yan Lu

In this article we describe a new convolutional neural network (CNN) to classify 3D point clouds of urban or indoor scenes. Solutions are given to the problems encountered working on scene point clouds, and a network is described that…

Computer Vision and Pattern Recognition · Computer Science 2018-04-11 Xavier Roynard , Jean-Emmanuel Deschaud , François Goulette

We present RoarNet, a new approach for 3D object detection from a 2D image and 3D Lidar point clouds. Based on two-stage object detection framework with PointNet as our backbone network, we suggest several novel ideas to improve 3D object…

Computer Vision and Pattern Recognition · Computer Science 2018-11-12 Kiwoo Shin , Youngwook Paul Kwon , Masayoshi Tomizuka

This paper investigates multi-scale feature approximation and transferable features for object detection from point clouds. Multi-scale features are critical for object detection from point clouds. However, multi-scale feature learning…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Hao Peng , Hong Sang , Yajing Ma , Ping Qiu , Chao Ji

We present a novel method for efficient acquisition of shape and spatially varying reflectance of 3D objects using polarization cues. Unlike previous works that have exploited polarization to estimate material or object appearance under…

Computer Vision and Pattern Recognition · Computer Science 2021-05-07 Valentin Deschaintre , Yiming Lin , Abhijeet Ghosh

We present a new and general framework for convolutional neural network operations on spherical (or omnidirectional) images. Our approach represents the surface as a graph of connected points that doesn't rely on a particular sampling…

Computer Vision and Pattern Recognition · Computer Science 2022-10-20 David Hart , Michael Whitney , Bryan Morse

Object detection is the identification of an object in the image along with its localisation and classification. It has wide spread applications and is a critical component for vision based software systems. This paper seeks to perform a…

Computer Vision and Pattern Recognition · Computer Science 2018-08-23 Karanbir Singh Chahal , Kuntal Dey

Object identification is one of the most fundamental and difficult issues in computer vision. It aims to discover object instances in real pictures from a huge number of established categories. In recent years, deep learning-based object…

Computer Vision and Pattern Recognition · Computer Science 2022-03-03 Venkata Beri

Category-level 6D object pose and size estimation is to predict full pose configurations of rotation, translation, and size for object instances observed in single, arbitrary views of cluttered scenes. In this paper, we propose a new method…

Computer Vision and Pattern Recognition · Computer Science 2021-08-17 Jiehong Lin , Zewei Wei , Zhihao Li , Songcen Xu , Kui Jia , Yuanqing Li

Inferring 3D structure of a generic object from a 2D image is a long-standing objective of computer vision. Conventional approaches either learn completely from CAD-generated synthetic data, which have difficulty in inference from real…

Computer Vision and Pattern Recognition · Computer Science 2021-04-05 Feng Liu , Luan Tran , Xiaoming Liu

Robotic manipulation systems operating in complex environments rely on perception systems that provide information about the geometry (pose and 3D shape) of the objects in the scene along with other semantic information such as object…

Robotics · Computer Science 2023-05-17 Shubham Agrawal , Nikhil Chavan-Dafle , Isaac Kasahara , Selim Engin , Jinwook Huh , Volkan Isler

We introduce a scalable approach for object pose estimation trained on simulated RGB views of multiple 3D models together. We learn an encoding of object views that does not only describe an implicit orientation of all objects seen during…

Computer Vision and Pattern Recognition · Computer Science 2020-04-06 Martin Sundermeyer , Maximilian Durner , En Yen Puang , Zoltan-Csaba Marton , Narunas Vaskevicius , Kai O. Arras , Rudolph Triebel

Convolutional neural networks are state-of-the-art for various segmentation tasks. While for 2D images these networks are also computationally efficient, 3D convolutions have huge storage requirements and require long training time. To…

Computer Vision and Pattern Recognition · Computer Science 2019-08-06 Christoph Angermann , Markus Haltmeier , Ruth Steiger , Sergiy Pereverzyev , Elke Gizewski