English
Related papers

Related papers: Biomimetic Space-Variant Sampling in a Vision Pros…

200 papers

Spatial scheduling of electrode activation ("rastering") is essential for safely operating high-density retinal implants, yet its perceptual consequences remain poorly understood. This study systematically evaluates the impact of raster…

Human-Computer Interaction · Computer Science 2025-06-25 Justin M. Kasowski , Apurv Varshney , Roksana Sadeghi , Michael Beyeler

Reinforcement learning has been demonstrated as a flexible and effective approach for learning a range of continuous control tasks, such as those used by robots to manipulate objects in their environment. But in robotics particularly,…

Robotics · Computer Science 2022-10-25 Tuluhan Akbulut , Max Merlin , Shane Parr , Benedict Quartey , Skye Thompson

Objective: The effect of camera viewpoint was studied when performing visually obstructed psychomotor targeting tasks. Background: Previous research in laparoscopy and robotic teleoperation found that complex perceptual-motor adaptations…

Human-Computer Interaction · Computer Science 2022-04-18 Bailey Ramesh , Anna Konstant , Pragathi Praveena , Emmanuel Senft , Michael Gleicher , Bilge Mutlu , Michael Zinn , Robert G. Radwin

Classic computer vision algorithms, instance segmentation, and semantic segmentation can not provide a holistic understanding of the surroundings for the visually impaired. In this paper, we utilize panoptic segmentation to assist the…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Wei Mao , Jiaming Zhang , Kailun Yang , Rainer Stiefelhagen

Spatial sampling is traditionally studied in a static setting where static sensors scattered around space take measurements of the spatial field at their locations. In this paper we study the emerging paradigm of sampling and reconstructing…

Multimedia · Computer Science 2015-06-12 Jayakrishnan Unnikrishnan , Martin Vetterli

To extend the application of vision-language models (VLMs) from web images to sensor-mediated physical environments, we propose Multi-View Physical-prompt for Test-Time Adaptation (MVP), a forward-only framework that moves test-time…

Computer Vision and Pattern Recognition · Computer Science 2026-02-02 Boyeong Im , Wooseok Lee , Yoojin Kwon , Hyung-Sin Kim

Intuitive control of prostheses relies on training algorithms to correlate biological recordings to motor intent. The quality of the training dataset is critical to run-time performance, but it is difficult to label hand kinematics…

Robotics · Computer Science 2020-01-27 Jacob A. George , Troy N. Tully , Paul C. Colgan , Gregory A. Clark

Visual prompting infuses visual information into the input image to adapt models toward specific predictions and tasks. Recently, manually crafted markers such as red circles are shown to guide the model to attend to a target region on the…

Computer Vision and Pattern Recognition · Computer Science 2024-06-06 Razieh Rezaei , Masoud Jalili Sabet , Jindong Gu , Daniel Rueckert , Philip Torr , Ashkan Khakzar

Historically, feature-based approaches have been used extensively for camera-based robot perception tasks such as localization, mapping, tracking, and others. Several of these approaches also combine other sensors (inertial sensing, for…

Robotics · Computer Science 2023-10-11 Kartikeya Singh , Charuvaran Adhivarahan , Karthik Dantu

Challenges in the field of retinal prostheses motivate the development of retinal models to accurately simulate Retinal Ganglion Cells (RGCs) responses. The goal of retinal prostheses is to enable blind individuals to solve complex,…

Image and Video Processing · Electrical Eng. & Systems 2022-02-08 Nikolas Papadopoulos , Nikos Melanitis , Antonio Lozano , Cristina Soto-Sanchez , Eduardo Fernandez , Konstantina S Nikita

Objects in aerial images have greater variations in scale and orientation than in typical images, so detection is more difficult. Convolutional neural networks use a variety of frequency- and orientation-specific kernels to identify objects…

Computer Vision and Pattern Recognition · Computer Science 2021-11-08 Guo-Ye Yang , Xiang-Li Li , Ralph R. Martin , Shi-Min Hu

Recently, plain vision Transformers (ViTs) have shown impressive performance on various computer vision tasks, thanks to their strong modeling capacity and large-scale pretraining. However, they have not yet conquered the problem of image…

Computer Vision and Pattern Recognition · Computer Science 2023-06-01 Jingfeng Yao , Xinggang Wang , Shusheng Yang , Baoyuan Wang

Spatial Transformer Networks (STNs) estimate image transformations that can improve downstream tasks by `zooming in' on relevant regions in an image. However, STNs are hard to train and sensitive to mis-predictions of transformations. To…

Machine Learning · Computer Science 2022-06-16 Pola Schwöbel , Frederik Warburg , Martin Jørgensen , Kristoffer H. Madsen , Søren Hauberg

Producing agents that can generalize to a wide range of visually different environments is a significant challenge in reinforcement learning. One method for overcoming this issue is visual domain randomization, whereby at the start of each…

Machine Learning · Computer Science 2020-03-09 Reda Bahi Slaoui , William R. Clements , Jakob N. Foerster , Sébastien Toth

Masked image modeling (MIM) pre-training for large-scale vision transformers (ViTs) has enabled promising downstream performance on top of the learned self-supervised ViT features. In this paper, we question if the \textit{extremely simple}…

Computer Vision and Pattern Recognition · Computer Science 2024-05-28 Jin Gao , Shubo Lin , Shaoru Wang , Yutong Kou , Zeming Li , Liang Li , Congxuan Zhang , Xiaoqin Zhang , Yizheng Wang , Weiming Hu

Barten's model of spatio-temporal contrast sensitivity function of human visual system is embedded in a multi-slice channelized Hotelling observer. This is done by 3D filtering of the stack of images with the spatio-temporal contrast…

Computer Vision and Pattern Recognition · Computer Science 2013-04-05 Ali N. Avanaki , Kathryn S. Espig , Cedric Marchessoux , Elizabeth A. Krupinski , Predrag R. Bakic , Tom R. L. Kimpe , Andrew D. A. Maidment

Multimodal representation learning techniques typically rely on paired samples to learn common representations, but paired samples are challenging to collect in fields such as biology where measurement devices often destroy the samples.…

Machine Learning · Computer Science 2024-10-30 Johnny Xi , Jana Osea , Zuheng Xu , Jason Hartford

Downsampling is widely adopted to achieve a good trade-off between accuracy and latency for visual recognition. Unfortunately, the commonly used pooling layers are not learned, and thus cannot preserve important information. As another…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Ho Man Kwan , Shenghui Song

The precise segmentation of retinal blood vessels is of great significance for early diagnosis of eye-related diseases such as diabetes and hypertension. In this work, we propose a lightweight network named Spatial Attention U-Net (SA-UNet)…

Image and Video Processing · Electrical Eng. & Systems 2020-10-22 Changlu Guo , Márton Szemenyei , Yugen Yi , Wenle Wang , Buer Chen , Changqi Fan

Pick-and-place robots are commonly used in modern industrial manufacturing. For complex devices/parts like camera modules used in smartphones, which contain optical parts, electrical components and interfacing connectors, the placement…