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We present iNeRF, a framework that performs mesh-free pose estimation by "inverting" a Neural RadianceField (NeRF). NeRFs have been shown to be remarkably effective for the task of view synthesis - synthesizing photorealistic novel views of…

计算机视觉与模式识别 · 计算机科学 2021-08-11 Lin Yen-Chen , Pete Florence , Jonathan T. Barron , Alberto Rodriguez , Phillip Isola , Tsung-Yi Lin

Reliable robotic grasping, especially with deformable objects such as fruits, remains a challenging task due to underactuated contact interactions with a gripper, unknown object dynamics and geometries. In this study, we propose a…

机器人学 · 计算机科学 2023-07-25 Yunhai Han , Kelin Yu , Rahul Batra , Nathan Boyd , Chaitanya Mehta , Tuo Zhao , Yu She , Seth Hutchinson , Ye Zhao

In this paper, we propose an efficient end-to-end algorithm to tackle the problem of estimating the 6D pose of objects from a single RGB image. Our system trains a fully convolutional network to regress the 3D rotation and the 3D…

计算机视觉与模式识别 · 计算机科学 2019-02-07 Jin Liu , Sheng He

FPGAs provide a flexible and efficient platform to accelerate rapidly-changing algorithms for computer vision. The majority of existing work focuses on accelerating image classification, while other fundamental vision problems, including…

图像与视频处理 · 电气工程与系统科学 2020-03-25 Qijing Huang , Dequan Wang , Yizhao Gao , Yaohui Cai , Zhen Dong , Bichen Wu , Kurt Keutzer , John Wawrzynek

Predicting the object's 6D pose from a single RGB image is a fundamental computer vision task. Generally, the distance between transformed object vertices is employed as an objective function for pose estimation methods. However, projective…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Jaewoo Park , Nam Ik Cho

We present an algorithm for focusing inversion of electrical resistivity tomography (ERT) data. ERT is a typical example of ill-posed problem. Regularization is the most common way to face this kind of problems; it basically consists in…

地球物理 · 物理学 2007-05-23 G. Pagliara , G. Vignoli

Video-based 3D human pose and shape estimations are evaluated by intra-frame accuracy and inter-frame smoothness. Although these two metrics are responsible for different ranges of temporal consistency, existing state-of-the-art methods…

计算机视觉与模式识别 · 计算机科学 2023-03-28 Xiaolong Shen , Zongxin Yang , Xiaohan Wang , Jianxin Ma , Chang Zhou , Yi Yang

Absolute Pose Regression (APR) has emerged as a compelling paradigm for visual localization. However, APR models typically operate as black boxes, directly regressing a 6-DoF pose from a query image, which can lead to memorizing training…

计算机视觉与模式识别 · 计算机科学 2026-05-20 Changyang Li , Xuejian Ma , Lixiang Liu , Zhan Li , Qingan Yan , Yi Xu

Structure from Motion (SfM) is a critical task in computer vision, aiming to recover the 3D scene structure and camera motion from a sequence of 2D images. The recent pose-only imaging geometry decouples 3D coordinates from camera poses and…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Xinrui Li , Qi Cai , Yuanxin Wu

This paper presents a novel Transformer-based facial landmark localization network named Localization Transformer (LOTR). The proposed framework is a direct coordinate regression approach leveraging a Transformer network to better utilize…

In this paper, we introduce a novel approach for ground plane normal estimation of wheeled vehicles. In practice, the ground plane is dynamically changed due to braking and unstable road surface. As a result, the vehicle pose, especially…

计算机视觉与模式识别 · 计算机科学 2022-12-09 Jiaxin Zhang , Wei Sui , Qian Zhang , Tao Chen , Cong Yang

Numerical simulation is an essential tool in many areas of science and engineering, but its performance often limits application in practice or when used to explore large parameter spaces. On the other hand, surrogate deep learning models,…

机器学习 · 计算机科学 2022-05-18 Mario Lino , Stati Fotiadis , Anil A. Bharath , Chris Cantwell

The difficult problem of relating the static structure of glassy liquids and their dynamics is a good target for Machine Learning, an approach which excels at finding complex patterns hidden in data. Indeed, this approach is currently a hot…

软凝聚态物质 · 物理学 2024-05-29 Francesco Saverio Pezzicoli , Guillaume Charpiat , François P. Landes

In the landscape of spatio-temporal data analytics, effective trajectory representation learning is paramount. To bridge the gap of learning accurate representations with efficient and flexible mechanisms, we introduce Efflex, a…

机器学习 · 计算机科学 2024-04-22 Ming Cheng , Ziyi Zhou , Bowen Zhang , Ziyu Wang , Jiaqi Gan , Ziang Ren , Weiqi Feng , Yi Lyu , Hefan Zhang , Xingjian Diao

Deep convolutional neural networks accuracy is heavily impacted by rotations of the input data. In this paper, we propose a convolutional predictor that is invariant to rotations in the input. This architecture is capable of predicting the…

计算机视觉与模式识别 · 计算机科学 2021-05-24 Rosemberg Rodriguez Salas , Eva Dokladalova , Petr Dokládal

The great success of Deep Neural Networks (DNNs) has inspired the algorithmic development of DNN-based Fixed-Point (DNN-FP) for computer vision tasks. DNN-FP methods, trained by Back-Propagation Through Time or computing the inaccurate…

计算机视觉与模式识别 · 计算机科学 2023-01-31 Peng Qiao , Sidun Liu , Tao Sun , Ke Yang , Yong Dou

Local Feature Matching, an essential component of several computer vision tasks (e.g., structure from motion and visual localization), has been effectively settled by Transformer-based methods. However, these methods only integrate…

计算机视觉与模式识别 · 计算机科学 2023-10-23 Xinyu Zhang , Li Wang , Zhiqiang Jiang , Kun Dai , Tao Xie , Lei Yang , Wenhao Yu , Yang Shen , Jun Li

Neural Radiance Fields (NeRF) achieves impressive novel view rendering performance by learning implicit 3D representation from sparse view images. However, it is difficult to reconstruct a sharp NeRF from blurry input that often occurs in…

计算机视觉与模式识别 · 计算机科学 2025-11-26 Yunshan Qi , Jia Li , Yifan Zhao , Yu Zhang , Lin Zhu

We present a new method that views object detection as a direct set prediction problem. Our approach streamlines the detection pipeline, effectively removing the need for many hand-designed components like a non-maximum suppression…

计算机视觉与模式识别 · 计算机科学 2020-05-29 Nicolas Carion , Francisco Massa , Gabriel Synnaeve , Nicolas Usunier , Alexander Kirillov , Sergey Zagoruyko

Deep neural networks have long been criticized for being black-box. To unveil the inner workings of modern neural architectures, a recent work \cite{yu2024white} proposed an information-theoretic objective function called Sparse Rate…

机器学习 · 计算机科学 2024-11-27 Yunzhe Hu , Difan Zou , Dong Xu