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Humans perceive the world by interacting with objects, which often happens in a dynamic way. For example, a human would shake a bottle to guess its content. However, it remains a challenge for robots to understand many dynamic signals…

Robotics · Computer Science 2022-05-19 Hung-Jui Huang , Xiaofeng Guo , Wenzhen Yuan

Humans display the remarkable ability to sense the world through tools and other held objects. For example, we are able to pinpoint impact locations on a held rod and tell apart different textures using a rigid probe. In this work, we…

Most currently used object detection methods are learning-based, and can detect objects under varying appearances. Those models require training and a training dataset. We focus on use cases with less data variation, but the requirement of…

Computer Vision and Pattern Recognition · Computer Science 2026-03-23 Valentin Braeutigam , Matthias Stock , Bernhard Egger

Defect detection in the manufacturing industry is of utmost importance for product quality inspection. Recently, optical defect detection has been investigated as an anomaly detection using different deep learning methods. However, the…

Computer Vision and Pattern Recognition · Computer Science 2021-11-29 Ammar Mansoor Kamoona , Amirali Khodadadian Gostar , Alireza Bab-Hadiashar , Reza Hoseinnezhad

Tactile texture refers to the tangible feel of a surface and visual texture refers to see the shape or contents of the image. In the image processing, the texture can be defined as a function of spatial variation of the brightness intensity…

Computer Vision and Pattern Recognition · Computer Science 2019-04-16 Laleh Armi , Shervan Fekri-Ershad

Similar and indeterminate defect detection of solar cell surface with heterogeneous texture and complex background is a challenge of solar cell manufacturing. The traditional manufacturing process relies on human eye detection which…

Computer Vision and Pattern Recognition · Computer Science 2018-12-18 Haiyong Chen , Yue Pang , Qidi Hu , Kun Liu

In this paper, a capacitive flexible tactile sensor was designed to measure the pressure of objects based on MEMS technology. This sensor is a structure of a 4x4 array, with metal Ag as the capacitive electrode, which forms the tactile…

Materials Science · Physics 2021-11-02 Dandan Yuan , Haoxin Shu , Yulong Bao , Bin Xu , Huan Wang

Simulation is widely used in robotics for system verification and large-scale data collection. However, simulating sensors, including tactile sensors, has been a long-standing challenge. In this paper, we propose Taxim, a realistic and…

Robotics · Computer Science 2021-12-15 Zilin Si , Wenzhen Yuan

Increasing the performance of tactile sensing in robots enables versatile, in-hand manipulation. Vision-based tactile sensors have been widely used as rich tactile feedback has been shown to be correlated with increased performance in…

Robotics · Computer Science 2022-03-10 Won Kyung Do , Monroe Kennedy

In this paper, to address the sensitivity and durability trade-off of Vision-based Tactile Sensor (VTSs), we introduce a hyper-sensitive and high-fidelity VTS called HySenSe. We demonstrate that by solely changing one step during the…

Robotics · Computer Science 2022-11-10 Ozdemir Can Kara , Naruhiko Ikoma , Farshid Alambeigi

Defect detection aims to detect and localize regions out of the normal distribution.Previous approaches model normality and compare it with the input to identify defective regions, potentially limiting their generalizability.This paper…

Computer Vision and Pattern Recognition · Computer Science 2023-11-30 Jiang Lin , Yaping Yan

Tactile predictive models can be useful across several robotic manipulation tasks, e.g. robotic pushing, robotic grasping, slip avoidance, and in-hand manipulation. However, available tactile prediction models are mostly studied for…

Robotics · Computer Science 2024-05-13 Willow Mandil , Kiyanoush Nazari , Amir Ghalamzan E

Tactile sensors provide useful contact data during the interaction with an object which can be used to accurately learn to determine the stability of a grasp. Most of the works in the literature represented tactile readings as plain feature…

In this study, state-of-the-art unsupervised detection models were evaluated for the purpose of automated anomaly inspection of wool carpets. A custom dataset of four unique types of carpet textures was created to thoroughly test the models…

Computer Vision and Pattern Recognition · Computer Science 2024-07-29 Briony Forsberg , Dr Henry Williams , Prof Bruce MacDonald , Tracy Chen , Dr Kirstine Hulse

Force estimation is the core indicator for evaluating the performance of tactile sensors, and it is also the key technical path to achieve precise force feedback mechanisms. This study proposes a design method for a visual tactile sensor…

Robotics · Computer Science 2025-04-01 Jianhua Shan , Jie Zhao , Jiangduo Liu , Xiangbo Wang , Ziwei Xia , Guangyuan Xu , Bin Fang

We investigate the transduction of tactile information during active exploration of finely textured surfaces using a novel tactile sensor mimicking the human fingertip. The sensor has been designed by integrating a linear array of 10…

Soft Condensed Matter · Physics 2010-07-30 Raphaël Candelier , Georges Debrégeas , Alexis Prevost

Robotic disassembly involves contact-rich interactions in which successful manipulation depends not only on geometric alignment but also on force-dependent state transitions. While vision-based policies perform well in structured settings,…

The existence of tactile afferents sensitive to slip-related mechanical transients in the human hand augments the robustness of grasping through secondary force modulation protocols. Despite this knowledge and the fact that tactile-based…

Robotics · Computer Science 2018-06-28 Karl Van Wyk , Joe Falco

While visuomotor policy learning has advanced robotic manipulation, precisely executing contact-rich tasks remains challenging due to the limitations of vision in reasoning about physical interactions. To address this, recent work has…

Robotics · Computer Science 2024-10-29 Venkatesh Pattabiraman , Yifeng Cao , Siddhant Haldar , Lerrel Pinto , Raunaq Bhirangi

Reconstruction-based anomaly detection via denoising diffusion model has limitations in determining appropriate noise parameters that can degrade anomalies while preserving normal characteristics. Also, normal regions can fluctuate…

Computer Vision and Pattern Recognition · Computer Science 2025-08-20 Eunwoo Kim , Un Yang , Cheol Lae Roh , Stefano Ermon