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In this paper, we introduce a Grasp Manifold Estimator (GraspME) to detect grasp affordances for objects directly in 2D camera images. To perform manipulation tasks autonomously it is crucial for robots to have such graspability models of…

机器人学 · 计算机科学 2021-07-06 Janik Hager , Ruben Bauer , Marc Toussaint , Jim Mainprice

The objective of this work is to estimate 3D human pose from a single RGB image. Extracting image representations which incorporate both spatial relation of body parts and their relative depth plays an essential role in accurate3D pose…

计算机视觉与模式识别 · 计算机科学 2016-09-20 Mona Fathollahi Ghezelghieh , Rangachar Kasturi , Sudeep Sarkar

Grasping of novel objects in pick and place applications is a fundamental and challenging problem in robotics, specifically for complex-shaped objects. It is observed that the well-known strategies like \textit{i}) grasping from the…

机器人学 · 计算机科学 2020-01-08 Mohit Vohra , Ravi Prakash , Laxmidhar Behera

Pose estimation of an uncooperative space resident object is a key asset towards autonomy in close proximity operations. In this context monocular cameras are a valuable solution because of their low system requirements. However, the…

计算机视觉与模式识别 · 计算机科学 2022-06-24 Alessandro Lotti , Dario Modenini , Paolo Tortora , Massimiliano Saponara , Maria A. Perino

In this paper, we evaluate a synthetic framework to be used in the field of gaze estimation employing deep learning techniques. The lack of sufficient annotated data could be overcome by the utilization of a synthetic evaluation framework…

计算机视觉与模式识别 · 计算机科学 2020-06-15 Gonzalo Garde , Andoni Larumbe-Bergera , Benoît Bossavit , Rafael Cabeza , Sonia Porta , Arantxa Villanueva

Calibrating sports cameras is important for autonomous broadcasting and sports analysis. Here we propose a highly automatic method for calibrating sports cameras from a single image using synthetic data. First, we develop a novel camera…

计算机视觉与模式识别 · 计算机科学 2018-10-26 Jianhui Chen , James J. Little

General Visual Inspection is a manual inspection process regularly used to detect and localise obvious damage on the exterior of commercial aircraft. There has been increasing demand to perform this process at the boarding gate to minimise…

We present an approach for estimating the pose of an external camera with respect to a robot using a single RGB image of the robot. The image is processed by a deep neural network to detect 2D projections of keypoints (such as joints)…

机器人学 · 计算机科学 2020-04-27 Timothy E. Lee , Jonathan Tremblay , Thang To , Jia Cheng , Terry Mosier , Oliver Kroemer , Dieter Fox , Stan Birchfield

It is well known that human gaze carries significant information about visual attention. However, there are three main difficulties in incorporating the gaze data in an attention mechanism of deep neural networks: 1) the gaze fixation…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Kyle Min , Jason J. Corso

Estimating the location and orientation of humans is an essential skill for service and assistive robots. To achieve a reliable estimation in a wide area such as an apartment, multiple RGBD cameras are frequently used. Firstly, these setups…

机器人学 · 计算机科学 2020-07-29 Daniel Rodriguez-Criado , Pilar Bachiller , Pablo Bustos , George Vogiatzis , Luis J. Manso

For certain manipulation tasks, object pose estimation from head-mounted cameras may not be sufficiently accurate. This is at least in part due to our inability to perfectly calibrate the coordinate frames of today's high degree of freedom…

机器人学 · 计算机科学 2022-04-12 Patrick Lancaster , Boling Yang , Joshua R. Smith

Human pose estimation, particularly in athletes, can help improve their performance. However, this estimation is difficult using existing methods, such as human annotation, if the subjects wear loose-fitting clothes such as ski/snowboard…

计算机视觉与模式识别 · 计算机科学 2022-12-12 Takayoshi Yamaguchi , Dan Mikami , Seiji Matsumura , Naoki Saijo , Makio Kashino

A driver's gaze is critical for determining their attention, state, situational awareness, and readiness to take over control from partially automated vehicles. Estimating the gaze direction is the most obvious way to gauge a driver's state…

计算机视觉与模式识别 · 计算机科学 2021-06-17 Akshay Rangesh , Bowen Zhang , Mohan M. Trivedi

Existing eye trackers use cameras based on thick compound optical elements, necessitating the cameras to be placed at focusing distance from the eyes. This results in the overall bulk of wearable eye trackers, especially for augmented and…

图像与视频处理 · 电气工程与系统科学 2025-01-28 Purvam Jain , Althaf M. Nazar , Salman S. Khan , Kaushik Mitra , Praneeth Chakravarthula

3D gaze information is important for scene-centric attention analysis but accurate estimation and analysis of 3D gaze in real-world environments remains challenging. We present a novel 3D gaze estimation method for monocular head-mounted…

人机交互 · 计算机科学 2017-02-07 Mohsen Mansouryar , Julian Steil , Yusuke Sugano , Andreas Bulling

State-of-the-art appearance-based gaze estimation methods, usually based on deep learning techniques, mainly rely on static features. However, temporal trace of eye gaze contains useful information for estimating a given gaze point. For…

计算机视觉与模式识别 · 计算机科学 2020-05-26 Cristina Palmero , Oleg V. Komogortsev , Sachin S. Talathi

State-of-the-art computer vision algorithms often achieve efficiency by making discrete choices about which hypotheses to explore next. This allows allocation of computational resources to promising candidates, however, such decisions are…

计算机视觉与模式识别 · 计算机科学 2017-04-12 Alexander Krull , Eric Brachmann , Sebastian Nowozin , Frank Michel , Jamie Shotton , Carsten Rother

Camera with a fisheye or ultra-wide lens covers a wide field of view that cannot be modeled by the perspective projection. Serious fisheye lens distortion in the peripheral region of the image leads to degraded performance of the existing…

计算机视觉与模式识别 · 计算机科学 2024-04-11 Bing Li , Dong Zhang , Cheng Huang , Yun Xian , Ming Li , Dah-Jye Lee

By borrowing the wisdom of human in gaze following, we propose a two-stage solution for gaze point prediction of the target persons in a scene. Specifically, in the first stage, both head image and its position are fed into a gaze direction…

计算机视觉与模式识别 · 计算机科学 2019-07-05 Dongze Lian , Zehao Yu , Shenghua Gao

Visual localization is the task of accurate camera pose estimation in a known scene. It is a key problem in computer vision and robotics, with applications including self-driving cars, Structure-from-Motion, SLAM, and Mixed Reality.…

计算机视觉与模式识别 · 计算机科学 2019-03-19 Torsten Sattler , Qunjie Zhou , Marc Pollefeys , Laura Leal-Taixe