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Neural Radiance Fields (NeRF) have achieved photorealistic novel views synthesis; however, the requirement of accurate camera poses limits its application. Despite analysis-by-synthesis extensions for jointly learning neural 3D…

Computer Vision and Pattern Recognition · Computer Science 2023-03-06 Yue Chen , Xingyu Chen , Xuan Wang , Qi Zhang , Yu Guo , Ying Shan , Fei Wang

Learning from Demonstration (LfD) provides an intuitive and fast approach to program robotic manipulators. Task parameterized representations allow easy adaptation to new scenes and online observations. However, this approach has been…

Robotics · Computer Science 2021-09-10 An T. Le , Meng Guo , Niels van Duijkeren , Leonel Rozo , Robert Krug , Andras G. Kupcsik , Mathias Buerger

Transparent objects are ubiquitous in industry, pharmaceuticals, and households. Grasping and manipulating these objects is a significant challenge for robots. Existing methods have difficulty reconstructing complete depth maps for…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Bardienus P. Duisterhof , Yuemin Mao , Si Heng Teng , Jeffrey Ichnowski

Neural radiance fields (NeRFs) are a widely accepted standard for synthesizing new 3D object views from a small number of base images. However, NeRFs have limited generalization properties, which means that we need to use significant…

Computer Vision and Pattern Recognition · Computer Science 2024-02-05 Paweł Batorski , Dawid Malarz , Marcin Przewięźlikowski , Marcin Mazur , Sławomir Tadeja , Przemysław Spurek

Text-driven localized editing of 3D objects is particularly difficult as locally mixing the original 3D object with the intended new object and style effects without distorting the object's form is not a straightforward process. To address…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Hyeonseop Song , Seokhun Choi , Hoseok Do , Chul Lee , Taehyeong Kim

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

Articulated objects (e.g., doors and drawers) exist everywhere in our life. Different from rigid objects, articulated objects have higher degrees of freedom and are rich in geometries, semantics, and part functions. Modeling different kinds…

Computer Vision and Pattern Recognition · Computer Science 2023-11-22 Yushi Du , Ruihai Wu , Yan Shen , Hao Dong

Appearance-based generic object recognition is a challenging problem because all possible appearances of objects cannot be registered, especially as new objects are produced every day. Function of objects, however, has a comparatively small…

Computer Vision and Pattern Recognition · Computer Science 2017-09-13 Tadashi Matsuo , Nobutaka Shimada

It is extremely challenging to create an animatable clothed human avatar from RGB videos, especially for loose clothes due to the difficulties in motion modeling. To address this problem, we introduce a novel representation on the basis of…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Zerong Zheng , Han Huang , Tao Yu , Hongwen Zhang , Yandong Guo , Yebin Liu

This work aims to learn how to perform complex robot manipulation tasks that are composed of several, consecutively executed low-level sub-tasks, given as input a few visual demonstrations of the tasks performed by a person. The sub-tasks…

Robotics · Computer Science 2022-03-09 Junchi Liang , Bowen Wen , Kostas Bekris , Abdeslam Boularias

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

Object detection is a fundamental task for robots to operate in unstructured environments. Today, there are several deep learning algorithms that solve this task with remarkable performance. Unfortunately, training such systems requires…

Computer Vision and Pattern Recognition · Computer Science 2021-06-30 Federico Ceola , Elisa Maiettini , Giulia Pasquale , Lorenzo Rosasco , Lorenzo Natale

NeRF is a popular model that efficiently represents 3D objects from 2D images. However, vanilla NeRF has some important limitations. NeRF must be trained on each object separately. The training time is long since we encode the object's…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Dominik Zimny , Artur Kasymov , Adam Kania , Jacek Tabor , Maciej Zięba , Marcin Mazur , Przemysław Spurek

Recent advances in Neural Radiance Fields (NeRF) have demonstrated promising results in 3D scene representations, including 3D human representations. However, these representations often lack crucial information on the underlying human pose…

Computer Vision and Pattern Recognition · Computer Science 2024-04-10 Arnab Dey , Di Yang , Rohith Agaram , Antitza Dantcheva , Andrew I. Comport , Srinath Sridhar , Jean Martinet

We present a learning-based method for synthesizing novel views of complex scenes using only unstructured collections of in-the-wild photographs. We build on Neural Radiance Fields (NeRF), which uses the weights of a multilayer perceptron…

Computer Vision and Pattern Recognition · Computer Science 2021-01-07 Ricardo Martin-Brualla , Noha Radwan , Mehdi S. M. Sajjadi , Jonathan T. Barron , Alexey Dosovitskiy , Daniel Duckworth

Imitation learning has proven to be highly effective in teaching robots dexterous manipulation skills. However, it typically relies on large amounts of human demonstration data, which limits its scalability and applicability in dynamic,…

Robotics · Computer Science 2025-03-03 Minjie Zhu , Yichen Zhu , Jinming Li , Zhongyi Zhou , Junjie Wen , Xiaoyu Liu , Chaomin Shen , Yaxin Peng , Feifei Feng

We present NeRF-Det, a novel method for indoor 3D detection with posed RGB images as input. Unlike existing indoor 3D detection methods that struggle to model scene geometry, our method makes novel use of NeRF in an end-to-end manner to…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Chenfeng Xu , Bichen Wu , Ji Hou , Sam Tsai , Ruilong Li , Jialiang Wang , Wei Zhan , Zijian He , Peter Vajda , Kurt Keutzer , Masayoshi Tomizuka

Neural Radiance Fields (NeRF) have transformed novel view synthesis by modeling scene-specific volumetric representations directly from images. While generalizable NeRF models can generate novel views across unknown scenes by learning…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 You Wang , Li Fang , Hao Zhu , Fei Hu , Long Ye , Zhan Ma

Visual localization to compute 6DoF camera pose from a given image has wide applications such as in robotics, virtual reality, augmented reality, etc. Two kinds of descriptors are important for the visual localization. One is global…

Computer Vision and Pattern Recognition · Computer Science 2020-09-24 Pengju Zhang , Yihong Wu , Bingxi Liu

The ability to plan for multi-step manipulation tasks in unseen situations is crucial for future home robots. But collecting sufficient experience data for end-to-end learning is often infeasible in the real world, as deploying robots in…

Robotics · Computer Science 2022-05-18 Chen Wang , Danfei Xu , Li Fei-Fei