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We investigate the problem of learning category-specific 3D shape reconstruction from a variable number of RGB views of previously unobserved object instances. Most approaches for multiview shape reconstruction operate on sparse shape…

Computer Vision and Pattern Recognition · Computer Science 2019-12-10 Srinath Sridhar , Davis Rempe , Julien Valentin , Sofien Bouaziz , Leonidas J. Guibas

We present EmbodiedMAE, a unified 3D multi-modal representation for robot manipulation. Current approaches suffer from significant domain gaps between training datasets and robot manipulation tasks, while also lacking model architectures…

Robotics · Computer Science 2025-05-16 Zibin Dong , Fei Ni , Yifu Yuan , Yinchuan Li , Jianye Hao

We introduce Perception Encoder (PE), a state-of-the-art vision encoder for image and video understanding trained via simple vision-language learning. Traditionally, vision encoders have relied on a variety of pretraining objectives, each…

Incorporating group symmetries via equivariance into neural networks has emerged as a robust approach for overcoming the efficiency and data demands of modern deep learning. While most existing approaches, such as group convolutions and…

Self-supervised deep learning methods have leveraged stereo images for training monocular depth estimation. Although these methods show strong results on outdoor datasets such as KITTI, they do not match performance of supervised methods on…

Computer Vision and Pattern Recognition · Computer Science 2021-06-28 Benjamin Keltjens , Tom van Dijk , Guido de Croon

In the training of deep learning models, how the model parameters are initialized greatly affects the model performance, sample efficiency, and convergence speed. Representation learning for model initialization has recently been actively…

Computer Vision and Pattern Recognition · Computer Science 2021-09-03 Keumgang Cha , Junghoon Seo , Yeji Choi

In this paper, we propose a scene-level inverse rendering framework that uses multi-view images to decompose the scene into geometry, SVBRDF, and 3D spatially-varying lighting. While multi-view images have been widely used for object-level…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 JunYong Choi , SeokYeong Lee , Haesol Park , Seung-Won Jung , Ig-Jae Kim , Junghyun Cho

We study the task of embodied visual active learning, where an agent is set to explore a 3d environment with the goal to acquire visual scene understanding by actively selecting views for which to request annotation. While accurate on some…

Computer Vision and Pattern Recognition · Computer Science 2020-12-18 David Nilsson , Aleksis Pirinen , Erik Gärtner , Cristian Sminchisescu

Accurately modeling agent behaviors is an important task in self-driving. It is also a task with many symmetries, such as equivariance to the order of agents and objects in the scene or equivariance to arbitrary roto-translations of the…

Robotics · Computer Science 2026-04-03 Scott Xu , Dian Chen , Kelvin Wong , Chris Zhang , Kion Fallah , Raquel Urtasun

One core challenge in object pose estimation is to ensure accurate and robust performance for large numbers of diverse foreground objects amidst complex background clutter. In this work, we present a scalable framework for accurately…

Computer Vision and Pattern Recognition · Computer Science 2018-10-09 Chi Li , Jin Bai , Gregory D. Hager

Deep learning has shown to be effective for depth inference in multi-view stereo (MVS). However, the scalability and accuracy still remain an open problem in this domain. This can be attributed to the memory-consuming cost volume…

Computer Vision and Pattern Recognition · Computer Science 2019-12-30 Qingshan Xu , Wenbing Tao

In many imaging modalities, objects of interest can occur in a variety of locations and poses (i.e. are subject to translations and rotations in 2d or 3d), but the location and pose of an object does not change its semantics (i.e. the…

Computer Vision and Pattern Recognition · Computer Science 2023-01-05 Alireza Nasiri , Tristan Bepler

3D shape completion methods typically assume scans are pre-aligned to a canonical frame. This leaks pose and scale cues that networks may exploit to memorize absolute positions rather than inferring intrinsic geometry. When such alignment…

Computer Vision and Pattern Recognition · Computer Science 2025-12-12 Yuqing Wang , Zhaiyu Chen , Xiao Xiang Zhu

Numerous studies have recently focused on incorporating different variations of equivariance in Convolutional Neural Networks (CNNs). In particular, rotation-equivariance has gathered significant attention due to its relevance in many…

Computer Vision and Pattern Recognition · Computer Science 2024-12-13 Robin Ghyselinck , Valentin Delchevalerie , Bruno Dumas , Benoît Frénay

Image-level weakly supervised semantic segmentation is a challenging problem that has been deeply studied in recent years. Most of advanced solutions exploit class activation map (CAM). However, CAMs can hardly serve as the object mask due…

Computer Vision and Pattern Recognition · Computer Science 2020-04-10 Yude Wang , Jie Zhang , Meina Kan , Shiguang Shan , Xilin Chen

As the development of deep neural networks, 3D object recognition is becoming increasingly popular in computer vision community. Many multi-view based methods are proposed to improve the category recognition accuracy. These approaches…

Computer Vision and Pattern Recognition · Computer Science 2019-06-18 Qi Xuan , Fuxian Li , Yi Liu , Yun Xiang

Previous multi-view normal integration methods typically sample a single ray per pixel, without considering the spatial area covered by each pixel, which varies with camera intrinsics and the camera-to-object distance. Consequently, when…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Tongyu Yang , Heng Guo , Yasuyuki Matsushita , Fumio Okura , Yu Luo , Xin Fan

Recent advances in 3D deep learning have shown that it is possible to train highly effective deep models for 3D shape generation, directly from 2D images. This is particularly interesting since the availability of 3D models is still limited…

Computer Vision and Pattern Recognition · Computer Science 2019-11-05 Shichen Liu , Shunsuke Saito , Weikai Chen , Hao Li

This paper presents a differential geometric control approach that leverages SE(3) group invariance and equivariance to increase transferability in learning robot manipulation tasks that involve interaction with the environment.…

Modeling global geometric context while maintaining equivariance is crucial for accurate predictions in many fields such as biology, chemistry, or vision. Yet, this is challenging due to the computational demands of processing…

Machine Learning · Computer Science 2024-08-14 Artem Moskalev , Mangal Prakash , Rui Liao , Tommaso Mansi
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