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A large field-of-view fisheye camera allows for capturing a large area with minimal numbers of cameras when they are mounted on a high position facing downwards. This top-view omnidirectional setup greatly reduces the work and cost for…

计算机视觉与模式识别 · 计算机科学 2023-04-18 Jingrui Yu , Ana Cecilia Perez Grassi , Gangolf Hirtz

Deep neural networks (DNNs) trained on large-scale datasets have recently achieved impressive improvements in face recognition. But a persistent challenge remains to develop methods capable of handling large pose variations that are…

计算机视觉与模式识别 · 计算机科学 2017-08-17 Xi Peng , Xiang Yu , Kihyuk Sohn , Dimitris Metaxas , Manmohan Chandraker

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

We propose a new self-supervised method for predicting 3D human body pose from a single image. The prediction network is trained from a dataset of unlabelled images depicting people in typical poses and a set of unpaired 2D poses. By…

计算机视觉与模式识别 · 计算机科学 2023-04-06 Jose Sosa , David Hogg

In this paper, a feature boosting network is proposed for estimating 3D hand pose and 3D body pose from a single RGB image. In this method, the features learned by the convolutional layers are boosted with a new long short-term…

计算机视觉与模式识别 · 计算机科学 2019-05-16 Jun Liu , Henghui Ding , Amir Shahroudy , Ling-Yu Duan , Xudong Jiang , Gang Wang , Alex C. Kot

Applications of deep learning to synthetic media generation allow the creation of convincing forgeries, called DeepFakes, with limited technical expertise. DeepFake detection is an increasingly active research area. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2021-08-31 Kevin Lutz , Robert Bassett

The fisheye camera, with its unique wide field of view and other characteristics, has found extensive applications in various fields. However, the fisheye camera suffers from significant distortion compared to pinhole cameras, resulting in…

计算机视觉与模式识别 · 计算机科学 2024-05-14 Jian Xu , De-Wei Han , Kang Li , Jun-Jie Li , Zhao-Yuan Ma

We present a novel method to fuse the power of deep networks with the computational efficiency of geometric and probabilistic localization algorithms. In contrast to other methods that completely replace a classical visual estimator with a…

计算机视觉与模式识别 · 计算机科学 2022-07-06 Valentin Peretroukhin , Jonathan Kelly

Like many computer vision problems, human pose estimation is a challenging problem in that recognizing a body part requires not only information from local area but also from areas with large spatial distance. In order to spatially pass…

计算机视觉与模式识别 · 计算机科学 2019-04-08 Te Qi , Bayram Bayramli , Usman Ali , Qinchuan Zhang , Hongtao Lu

A new distortion correction algorithm for fisheye lens with equidistant mapping function is considered in the present study. The algorithm is much more data lossless and accurate than such a classical approach like Brown-Conrady model

图像与视频处理 · 电气工程与系统科学 2020-10-21 Dmitry Pozdnyakov

The majority of image processing approaches assume images are in or can be rectified to a perspective projection. However, in many applications it is beneficial to use non conventional cameras, such as fisheye cameras, that have a larger…

计算机视觉与模式识别 · 计算机科学 2024-04-15 Ryan Griffiths , Donald G. Dansereau

Fisheye cameras prove a convenient means in surveillance and automotive applications as they provide a very wide field of view for capturing their surroundings. Contrary to typical rectilinear imagery, however, fisheye video sequences…

图像与视频处理 · 电气工程与系统科学 2022-12-05 Andrea Eichenseer , Michel Bätz , André Kaup

In this paper, we address the problem of estimating a 3D human pose from a single image, which is important but difficult to solve due to many reasons, such as self-occlusions, wild appearance changes, and inherent ambiguities of 3D…

计算机视觉与模式识别 · 计算机科学 2019-10-08 Geonho Cha , Minsik Lee , Jungchan Cho , Songhwai Oh

We address the problem of camera pose estimation in visual localization. Current regression-based methods for pose estimation are trained and evaluated scene-wise. They depend on the coordinate frame of the training dataset and show a low…

计算机视觉与模式识别 · 计算机科学 2020-11-24 Boris Chidlovskii , Assem Sadek

The human visual system processes images with varied degrees of resolution, with the fovea, a small portion of the retina, capturing the highest acuity region, which gradually declines toward the field of view's periphery. However, the…

计算机视觉与模式识别 · 计算机科学 2023-04-13 Beatriz Paula , Plinio Moreno

The eye fixation patterns of human observers are a fundamental indicator of the aspects of an image to which humans attend. Thus, manipulating fixation patterns to guide human attention is an exciting challenge in digital image processing.…

计算机视觉与模式识别 · 计算机科学 2017-12-19 Leon A. Gatys , Matthias Kümmerer , Thomas S. A. Wallis , Matthias Bethge

Human pose estimation (HPE) has attracted a significant amount of attention from the computer vision community in the past decades. Moreover, HPE has been applied to various domains, such as human-computer interaction, sports analysis, and…

计算机视觉与模式识别 · 计算机科学 2023-08-29 Gongjin Lan , Yu Wu , Fei Hu , Qi Hao

Human pose estimation (HPE) in the top-view using fisheye cameras presents a promising and innovative application domain. However, the availability of datasets capturing this viewpoint is extremely limited, especially those with…

计算机视觉与模式识别 · 计算机科学 2024-04-25 Jingrui Yu , Dipankar Nandi , Roman Seidel , Gangolf Hirtz

Articulated hand pose estimation plays an important role in human-computer interaction. Despite the recent progress, the accuracy of existing methods is still not satisfactory, partially due to the difficulty of embedded high-dimensional…

计算机视觉与模式识别 · 计算机科学 2016-12-28 Liuhao Ge , Hui Liang , Junsong Yuan , Daniel Thalmann

We present an end-to-end head-pose estimation network designed to predict Euler angles through the full range head yaws from a single RGB image. Existing methods perform well for frontal views but few target head pose from all viewpoints.…

计算机视觉与模式识别 · 计算机科学 2020-09-24 Yijun Zhou , James Gregson