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We propose a nonconvex estimator for joint multivariate regression and precision matrix estimation in the high dimensional regime, under sparsity constraints. A gradient descent algorithm with hard thresholding is developed to solve the…

机器学习 · 统计学 2016-06-03 Jinghui Chen , Quanquan Gu

We propose an heterogeneous multi-task learning framework for human pose estimation from monocular image with deep convolutional neural network. In particular, we simultaneously learn a pose-joint regressor and a sliding-window body-part…

计算机视觉与模式识别 · 计算机科学 2014-06-16 Sijin Li , Zhi-Qiang Liu , Antoni B. Chan

Generating high quality uncertainty estimates for sequential regression, particularly deep recurrent networks, remains a challenging and open problem. Existing approaches often make restrictive assumptions (such as stationarity) yet still…

机器学习 · 计算机科学 2021-07-26 Jiri Navratil , Matthew Arnold , Benjamin Elder

High-dimensional functional time series (HDFTS) are often characterized by nonlinear trends and high spatial dimensions. Such data poses unique challenges for modeling and forecasting due to the nonlinearity, nonstationarity, and high…

机器学习 · 统计学 2025-03-28 Haixu Wang , Jiguo Cao

Human shape estimation is an important task for video editing, animation and fashion industry. Predicting 3D human body shape from natural images, however, is highly challenging due to factors such as variation in human bodies, clothing and…

计算机视觉与模式识别 · 计算机科学 2018-08-21 Gül Varol , Duygu Ceylan , Bryan Russell , Jimei Yang , Ersin Yumer , Ivan Laptev , Cordelia Schmid

Recent results in nonparametric regression show that for deep learning, i.e., for neural network estimates with many hidden layers, we are able to achieve good rates of convergence even in case of high-dimensional predictor variables,…

统计理论 · 数学 2019-12-12 Alina Braun , Michael Kohler , Adam Krzyzak

We present a novel solution to the camera pose estimation problem, where rotation and translation of a camera between two views are estimated from matched feature points in the images. The camera pose estimation problem is traditionally…

计算机视觉与模式识别 · 计算机科学 2018-07-31 Kaveh Fathian , J. Pablo Ramirez-Paredes , Emily A. Doucette , J. Willard Curtis , Nicholas R. Gans

The estimation of the camera poses associated with a set of images commonly relies on feature matches between the images. In contrast, we are the first to address this challenge by using objectness regions to guide the pose estimation…

计算机视觉与模式识别 · 计算机科学 2022-07-22 Matteo Taiana , Matteo Toso , Stuart James , Alessio Del Bue

With many practical applications in human life, including manufacturing surveillance cameras, analyzing and processing customer behavior, many researchers are noticing face detection and head pose estimation on digital images. A large…

计算机视觉与模式识别 · 计算机科学 2021-11-24 Hoang Nguyen Viet , Linh Nguyen Viet , Tuan Nguyen Dinh , Duc Tran Minh , Long Tran Quoc

Model-based human pose estimation is currently approached through two different paradigms. Optimization-based methods fit a parametric body model to 2D observations in an iterative manner, leading to accurate image-model alignments, but are…

计算机视觉与模式识别 · 计算机科学 2019-09-30 Nikos Kolotouros , Georgios Pavlakos , Michael J. Black , Kostas Daniilidis

We propose a simple and effective method to estimate the uncertainty of closed-source deep neural network image classification models. Given a base image, our method creates multiple transformed versions and uses them to query the top-1…

计算机视觉与模式识别 · 计算机科学 2024-05-24 Konstantinos Pitas , Julyan Arbel

The advances in monocular 3D human pose estimation are dominated by supervised techniques that require large-scale 2D/3D pose annotations. Such methods often behave erratically in the absence of any provision to discard unfamiliar…

计算机视觉与模式识别 · 计算机科学 2022-03-30 Jogendra Nath Kundu , Siddharth Seth , Pradyumna YM , Varun Jampani , Anirban Chakraborty , R. Venkatesh Babu

Regressing rotations on SO(3) manifold using deep neural networks is an important yet unsolved problem. The gap between the Euclidean network output space and the non-Euclidean SO(3) manifold imposes a severe challenge for neural network…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Jiayi Chen , Yingda Yin , Tolga Birdal , Baoquan Chen , Leonidas Guibas , He Wang

In this paper, we present a new bottom-up one-stage method for whole-body pose estimation, which we call "hierarchical point regression," or HPRNet for short. In standard body pose estimation, the locations of $\sim 17$ major joints on the…

计算机视觉与模式识别 · 计算机科学 2021-08-24 Nermin Samet , Emre Akbas

Convolutional networks are successful due to their equivariance/invariance under translations. However, rotatable data such as images, volumes, shapes, or point clouds require processing with equivariance/invariance under rotations in cases…

机器学习 · 计算机科学 2021-11-23 Luca Della Libera , Vladimir Golkov , Yue Zhu , Arman Mielke , Daniel Cremers

We introduce CenDerNet, a framework for 6D pose estimation from multi-view images based on center and curvature representations. Finding precise poses for reflective, textureless objects is a key challenge for industrial robotics. Our…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Peter De Roovere , Rembert Daems , Jonathan Croenen , Taoufik Bourgana , Joris de Hoog , Francis Wyffels

Ship detection is of great importance and full of challenges in the field of remote sensing. The complexity of application scenarios, the redundancy of detection region, and the difficulty of dense ship detection are all the main obstacles…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Xue Yang , Hao Sun , Xian Sun , Menglong Yan , Zhi Guo , Kun Fu

This study investigates the application of deep residual networks for predicting the dynamics of interacting three-dimensional rigid bodies. We present a framework combining a 3D physics simulator implemented in C++ with a deep learning…

计算机视觉与模式识别 · 计算机科学 2025-07-18 Abiodun Finbarrs Oketunji

Accurate 6D object pose estimation is fundamental to robotic manipulation and grasping. Previous methods follow a local optimization approach which minimizes the distance between closest point pairs to handle the rotation ambiguity of…

计算机视觉与模式识别 · 计算机科学 2020-03-10 Meng Tian , Liang Pan , Marcelo H Ang , Gim Hee Lee

Deep learning-based, single-view depth estimation methods have recently shown highly promising results. However, such methods ignore one of the most important features for determining depth in the human vision system, which is motion. We…

计算机视觉与模式识别 · 计算机科学 2019-04-16 Rui Wang , Stephen M. Pizer , Jan-Michael Frahm