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We present an approach that learns to synthesize high-quality, novel views of 3D objects or scenes, while providing fine-grained and precise control over the 6-DOF viewpoint. The approach is self-supervised and only requires 2D images and…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Xu Chen , Jie Song , Otmar Hilliges

Recent object detection systems rely on two critical steps: (1) a set of object proposals is predicted as efficiently as possible, and (2) this set of candidate proposals is then passed to an object classifier. Such approaches have been…

Computer Vision and Pattern Recognition · Computer Science 2015-09-02 Pedro O. Pinheiro , Ronan Collobert , Piotr Dollar

As autonomous robots interact and navigate around real-world environments such as homes, it is useful to reliably identify and manipulate articulated objects, such as doors and cabinets. Many prior works in object articulation…

Robotics · Computer Science 2022-01-04 Vicky Zeng , Tabitha Edith Lee , Jacky Liang , Oliver Kroemer

Segmenting object parts such as cup handles and animal bodies is important in many real-world applications but requires more annotation effort. The largest dataset nowadays contains merely two hundred object categories, implying the…

Computer Vision and Pattern Recognition · Computer Science 2023-05-29 Tai-Yu Pan , Qing Liu , Wei-Lun Chao , Brian Price

This paper tackles the problem of semi-supervised video object segmentation, that is, segmenting an object in a sequence given its mask in the first frame. One of the main challenges in this scenario is the change of appearance of the…

Computer Vision and Pattern Recognition · Computer Science 2018-07-19 Sergi Caelles , Yuhua Chen , Jordi Pont-Tuset , Luc Van Gool

Despite their irresistible success, deep learning algorithms still heavily rely on annotated data. On the other hand, unsupervised settings pose many challenges, especially about determining the right inductive bias in diverse scenarios.…

Computer Vision and Pattern Recognition · Computer Science 2021-03-11 Beril Besbinar , Pascal Frossard

Neural Radiance Fields (NeRFs) have revolutionized the reconstruction of static scenes and objects in 3D, offering unprecedented quality. However, extending NeRFs to model dynamic objects or object articulations remains a challenging…

Computer Vision and Pattern Recognition · Computer Science 2024-09-11 Archana Swaminathan , Anubhav Gupta , Kamal Gupta , Shishira R. Maiya , Vatsal Agarwal , Abhinav Shrivastava

Video object segmentation is challenging due to the factors like rapidly fast motion, cluttered backgrounds, arbitrary object appearance variation and shape deformation. Most existing methods only explore appearance information between two…

Computer Vision and Pattern Recognition · Computer Science 2016-12-28 Kaihua Zhang , Xuejun Li , Qingshan Liu

Object pose estimation is a prominent task in computer vision. The object pose gives the orientation and translation of the object in real-world space, which allows various applications such as manipulation, augmented reality, etc. Various…

Computer Vision and Pattern Recognition · Computer Science 2024-10-18 Varun Burde , Artem Moroz , Vit Zeman , Pavel Burget

Part models of object categories are essential for challenging recognition tasks, where differences in categories are subtle and only reflected in appearances of small parts of the object. We present an approach that is able to learn part…

Computer Vision and Pattern Recognition · Computer Science 2015-12-08 Marcel Simon , Erik Rodner

This paper presents a "learning to learn" approach to figure-ground image segmentation. By exploring webly-abundant images of specific visual effects, our method can effectively learn the visual-effect internal representations in an…

Computer Vision and Pattern Recognition · Computer Science 2018-12-21 Ding-Jie Chen , Jui-Ting Chien , Hwann-Tzong Chen , Tyng-Luh Liu

Segmentation of objects in microscopy images is required for many biomedical applications. We introduce object-centric embeddings (OCEs), which embed image patches such that the spatial offsets between patches cropped from the same object…

Machine Learning · Computer Science 2023-10-13 Steffen Wolf , Manan Lalit , Henry Westmacott , Katie McDole , Jan Funke

The objective of this paper is self-supervised representation learning, with the goal of solving semi-supervised video object segmentation (a.k.a. dense tracking). We make the following contributions: (i) we propose to improve the existing…

Computer Vision and Pattern Recognition · Computer Science 2020-06-23 Fangrui Zhu , Li Zhang , Yanwei Fu , Guodong Guo , Weidi Xie

Taking an image of an object is at its core a lossy process. The rich information about the three-dimensional structure of the world is flattened to an image plane and decisions such as viewpoint and camera parameters are final and not…

Computer Vision and Pattern Recognition · Computer Science 2016-08-16 Konstantinos Rematas , Chuong Nguyen , Tobias Ritschel , Mario Fritz , Tinne Tuytelaars

Unsupervised learning from visual data is one of the most difficult challenges in computer vision, being a fundamental task for understanding how visual recognition works. From a practical point of view, learning from unsupervised visual…

Computer Vision and Pattern Recognition · Computer Science 2017-04-03 Ioana Croitoru , Simion-Vlad Bogolin , Marius Leordeanu

Unsupervised video object segmentation has often been tackled by methods based on recurrent neural networks and optical flow. Despite their complexity, these kinds of approaches tend to favour short-term temporal dependencies and are thus…

Computer Vision and Pattern Recognition · Computer Science 2019-10-25 Zhao Yang , Qiang Wang , Luca Bertinetto , Weiming Hu , Song Bai , Philip H. S. Torr

Actively planning sensor views during object reconstruction is crucial for autonomous mobile robots. An effective method should be able to strike a balance between accuracy and efficiency. In this paper, we propose a seamless integration of…

Robotics · Computer Science 2024-05-29 Dongyu Yan , Jianheng Liu , Fengyu Quan , Haoyao Chen , Mengmeng Fu

Articulated objects are common in the real world, yet modeling their structure and motion remains a challenging task for 3D reconstruction methods. In this work, we introduce Part$^{2}$GS, a novel framework for modeling articulated digital…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Tianjiao Yu , Vedant Shah , Muntasir Wahed , Ying Shen , Kiet A. Nguyen , Ismini Lourentzou

The goal of many computer vision systems is to transform image pixels into 3D representations. Recent popular models use neural networks to regress directly from pixels to 3D object parameters. Such an approach works well when supervision…

Computer Vision and Pattern Recognition · Computer Science 2020-01-07 Nadine Rueegg , Christoph Lassner , Michael J. Black , Konrad Schindler

Robots deployed in human-centric environments may need to manipulate a diverse range of articulated objects, such as doors, dishwashers, and cabinets. Articulated objects often come with unexpected articulation mechanisms that are…

Robotics · Computer Science 2023-01-19 Nick Heppert , Toki Migimatsu , Brent Yi , Claire Chen , Jeannette Bohg
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