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Point clouds are a widely available and canonical data modality which convey the 3D geometry of a scene. Despite significant progress in classification and segmentation from point clouds, policy learning from such a modality remains…

Robotics · Computer Science 2022-11-17 Daniel Seita , Yufei Wang , Sarthak J. Shetty , Edward Yao Li , Zackory Erickson , David Held

In this paper, we propose a novel approach to 3D deformable object manipulation leveraging a deep neural network called DeformerNet. Controlling the shape of a 3D object requires an effective state representation that can capture the full…

Robotics · Computer Science 2021-07-20 Bao Thach , Alan Kuntz , Tucker Hermans

Point clouds provide a flexible geometric representation suitable for countless applications in computer graphics; they also comprise the raw output of most 3D data acquisition devices. While hand-designed features on point clouds have long…

Computer Vision and Pattern Recognition · Computer Science 2019-06-12 Yue Wang , Yongbin Sun , Ziwei Liu , Sanjay E. Sarma , Michael M. Bronstein , Justin M. Solomon

In many real-life tasks of application of supervised learning approaches, all the training data are not available at the same time. The examples are lifelong image classification or recognition of environmental objects during interaction of…

Machine Learning · Computer Science 2020-06-15 Miltiadis Poursanidis , Jenny Benois-Pineau , Akka Zemmari , Boris Mansenca , Aymar de Rugy

Learning-based approaches to robotic manipulation are limited by the scalability of data collection and accessibility of labels. In this paper, we present a multi-task domain adaptation framework for instance grasping in cluttered scenes by…

Machine Learning · Computer Science 2018-03-06 Kuan Fang , Yunfei Bai , Stefan Hinterstoisser , Silvio Savarese , Mrinal Kalakrishnan

3D object recognition accuracy can be improved by learning the multi-scale spatial features from 3D spatial geometric representations of objects such as point clouds, 3D models, surfaces, and RGB-D data. Current deep learning approaches…

Computer Vision and Pattern Recognition · Computer Science 2019-05-07 Sambit Ghadai , Xian Lee , Aditya Balu , Soumik Sarkar , Adarsh Krishnamurthy

In the absence of global positioning information, place recognition is a key capability for enabling localization, mapping and navigation in any environment. Most place recognition methods rely on images, point clouds, or a combination of…

Robotics · Computer Science 2018-04-26 Andrei Cramariuc , Renaud Dubé , Hannes Sommer , Roland Siegwart , Igor Gilitschenski

Point cloud classification refers to the process of assigning semantic labels or categories to individual points within a point cloud data structure. Recent works have explored the extension of pre-trained CLIP to 3D recognition. In this…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Shuvozit Ghose , Yang Wang

Point clouds provide a flexible and natural representation usable in countless applications such as robotics or self-driving cars. Recently, deep neural networks operating on raw point cloud data have shown promising results on supervised…

Machine Learning · Computer Science 2019-06-04 Jonathan Sauder , Bjarne Sievers

Standard methods for video recognition use large CNNs designed to capture spatio-temporal data. However, training these models requires a large amount of labeled training data, containing a wide variety of actions, scenes, settings and…

Computer Vision and Pattern Recognition · Computer Science 2021-03-31 AJ Piergiovanni , Michael S. Ryoo

What is the right object representation for manipulation? We would like robots to visually perceive scenes and learn an understanding of the objects in them that (i) is task-agnostic and can be used as a building block for a variety of…

Robotics · Computer Science 2018-09-10 Peter R. Florence , Lucas Manuelli , Russ Tedrake

Deep learning models as an emerging topic have shown great progress in various fields. Especially, visualization tools such as class activation mapping methods provided visual explanation on the reasoning of convolutional neural networks…

Computer Vision and Pattern Recognition · Computer Science 2023-08-24 Ali Caglayan , Nevrez Imamoglu , Oguzhan Guclu , Ali Osman Serhatoglu , Weimin Wang , Ahmet Burak Can , Ryosuke Nakamura

Objects rarely sit in isolation in human environments. As such, we'd like our robots to reason about how multiple objects relate to one another and how those relations may change as the robot interacts with the world. To this end, we…

Robotics · Computer Science 2023-03-20 Yixuan Huang , Adam Conkey , Tucker Hermans

Humans are adept at learning new tasks by watching a few instructional videos. On the other hand, robots that learn new actions either require a lot of effort through trial and error, or use expert demonstrations that are challenging to…

Robotics · Computer Science 2020-11-16 Vladimír Petrík , Makarand Tapaswi , Ivan Laptev , Josef Sivic

Classification and segmentation of 3D point clouds are important tasks in computer vision. Because of the irregular nature of point clouds, most of the existing methods convert point clouds into regular 3D voxel grids before they are used…

Computer Vision and Pattern Recognition · Computer Science 2018-12-05 Wei Zeng , Theo Gevers

Prior work on 6-DoF object pose estimation has largely focused on instance-level processing, in which a textured CAD model is available for each object being detected. Category-level 6-DoF pose estimation represents an important step toward…

Computer Vision and Pattern Recognition · Computer Science 2022-05-13 Yunzhi Lin , Jonathan Tremblay , Stephen Tyree , Patricio A. Vela , Stan Birchfield

In order to explore robotic grasping in unstructured and dynamic environments, this work addresses the visual perception phase involved in the task. This phase involves the processing of visual data to obtain the location of the object to…

Robotics · Computer Science 2021-03-02 Eduardo Godinho Ribeiro , Raul de Queiroz Mendes , Valdir Grassi

Category-level object pose estimation, which predicts the pose of objects within a known category without prior knowledge of individual instances, is essential in applications like warehouse automation and manufacturing. Existing methods…

Computer Vision and Pattern Recognition · Computer Science 2025-07-10 Yifan Yang , Peili Song , Enfan Lan , Dong Liu , Jingtai Liu

Object rearranging is one of the most common deformable manipulation tasks, where the robot needs to rearrange a deformable object into a goal configuration. Previous studies focus on designing an expert system for each specific task by…

Robotics · Computer Science 2023-02-22 Yuhong Deng , Chongkun Xia , Xueqian Wang , Lipeng Chen

This paper presents a new state-of-the-art for document image classification and retrieval, using features learned by deep convolutional neural networks (CNNs). In object and scene analysis, deep neural nets are capable of learning a…

Computer Vision and Pattern Recognition · Computer Science 2015-02-26 Adam W. Harley , Alex Ufkes , Konstantinos G. Derpanis