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This paper introduces an unsupervised technique to detect the changed region of multitemporal images on a same reference plane with the help of rough clustering. The proposed technique is a soft-computing approach, based on the concept of…

计算机视觉与模式识别 · 计算机科学 2014-04-25 Chandranath Adak

In this paper we introduce a system for unsupervised object discovery and segmentation of RGBD-images. The system models the sensor noise directly from data, allowing accurate segmentation without sensor specific hand tuning of measurement…

机器人学 · 计算机科学 2017-10-20 Johan Ekekrantz , Nils Bore , Rares Ambrus , John Folkesson , Patric Jensfelt

Learning an object detector or retrieval requires a large data set with manual annotations. Such data sets are expensive and time consuming to create and therefore difficult to obtain on a large scale. In this work, we propose to exploit…

计算机视觉与模式识别 · 计算机科学 2019-10-22 Elad Amrani , Rami Ben-Ari , Tal Hakim , Alex Bronstein

In this paper we study the application of convolutional neural networks for jointly detecting objects depicted in still images and estimating their 3D pose. We identify different feature representations of oriented objects, and energies…

计算机视觉与模式识别 · 计算机科学 2015-03-03 Francisco Massa , Mathieu Aubry , Renaud Marlet

To alleviate the cost of collecting and annotating large-scale point cloud datasets, we propose an unsupervised learning approach to learn features from unlabeled point cloud "3D object" dataset by using part contrasting and object…

计算机视觉与模式识别 · 计算机科学 2019-08-14 Ling Zhang , Zhigang Zhu

We consider the problem of 3D object pose estimation. While much recent work has focused on the RGB domain, the reliance on accurately annotated images limits their generalizability and scalability. On the other hand, the easily available…

计算机视觉与模式识别 · 计算机科学 2019-08-01 Georgios Georgakis , Srikrishna Karanam , Ziyan Wu , Jana Kosecka

A crucial task in scene understanding is 3D object detection, which aims to detect and localize the 3D bounding boxes of objects belonging to specific classes. Existing 3D object detectors heavily rely on annotated 3D bounding boxes during…

计算机视觉与模式识别 · 计算机科学 2020-07-29 Zengyi Qin , Jinglu Wang , Yan Lu

This paper introduces key machine learning operations that allow the realization of robust, joint 6D pose estimation of multiple instances of objects either densely packed or in unstructured piles from RGB-D data. The first objective is to…

机器人学 · 计算机科学 2019-10-14 Chaitanya Mitash , Bowen Wen , Kostas Bekris , Abdeslam Boularias

Unsupervised 3D object detection methods have emerged to leverage vast amounts of data without requiring manual labels for training. Recent approaches rely on dynamic objects for learning to detect mobile objects but penalize the detections…

计算机视觉与模式识别 · 计算机科学 2025-02-20 Ted Lentsch , Holger Caesar , Dariu M. Gavrila

In the industrial domain, the pose estimation of multiple texture-less shiny parts is a valuable but challenging task. In this particular scenario, it is impractical to utilize keypoints or other texture information because most of them are…

机器人学 · 计算机科学 2019-09-27 Chen Chen , Xin Jiang , Weiguo Zhou , Yun-Hui Liu

While 3D object detection and pose estimation has been studied for a long time, its evaluation is not yet completely satisfactory. Indeed, existing datasets typically consist in numerous acquisitions of only a few scenes because of the…

计算机视觉与模式识别 · 计算机科学 2018-06-22 Romain Brégier , Frédéric Devernay , Laetitia Leyrit , James Crowley

In this paper, we address the challenging task of estimating 6D object pose from a single RGB image. Motivated by the deep learning based object detection methods, we propose a concise and efficient network that integrate 6D object pose…

计算机视觉与模式识别 · 计算机科学 2020-02-21 Jianhan Mei , Henghui Ding , Xudong Jiang

This paper addresses the problem of unsupervised object localization in an image. Unlike previous supervised and weakly supervised algorithms that require bounding box or image level annotations for training classifiers in order to learn…

计算机视觉与模式识别 · 计算机科学 2017-06-30 Aditya Vora , Shanmuganathan Raman

We address the task of 6D pose estimation of known rigid objects from single input images in scenarios where the objects are partly occluded. Recent RGB-D-based methods are robust to moderate degrees of occlusion. For RGB inputs, no…

计算机视觉与模式识别 · 计算机科学 2018-06-19 Omid Hosseini Jafari , Siva Karthik Mustikovela , Karl Pertsch , Eric Brachmann , Carsten Rother

Accurate 6D object pose estimation is fundamental to robotic manipulation and grasping. Previous methods follow a local optimization approach which minimizes the distance between closest point pairs to handle the rotation ambiguity of…

计算机视觉与模式识别 · 计算机科学 2020-03-10 Meng Tian , Liang Pan , Marcelo H Ang , Gim Hee Lee

Transparent objects are common in day-to-day life and hence find many applications that require robot grasping. Many solutions toward object grasping exist for non-transparent objects. However, due to the unique visual properties of…

计算机视觉与模式识别 · 计算机科学 2022-11-16 Hrishikesh Gupta , Stefan Thalhammer , Markus Leitner , Markus Vincze

Unsupervised object discovery (UOD) refers to the task of discriminating the whole region of objects from the background within a scene without relying on labeled datasets, which benefits the task of bounding-box-level localization and…

计算机视觉与模式识别 · 计算机科学 2023-07-10 Yunqiu Lv , Jing Zhang , Nick Barnes , Yuchao Dai

We propose a method to detect and reconstruct multiple 3D objects from a single RGB image. The key idea is to optimize for detection, alignment and shape jointly over all objects in the RGB image, while focusing on realistic and physically…

计算机视觉与模式识别 · 计算机科学 2021-06-23 Francis Engelmann , Konstantinos Rematas , Bastian Leibe , Vittorio Ferrari

To determine the 3D orientation and 3D location of objects in the surroundings of a camera mounted on a robot or mobile device, we developed two powerful algorithms in object detection and temporal tracking that are combined seamlessly for…

计算机视觉与模式识别 · 计算机科学 2017-09-06 David Joseph Tan , Nassir Navab , Federico Tombari

This paper introduces an active object detection and localization framework that combines a robust untextured object detection and 3D pose estimation algorithm with a novel next-best-view selection strategy. We address the detection and…

计算机视觉与模式识别 · 计算机科学 2016-03-24 Marco Imperoli , Alberto Pretto