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Cortical visual prostheses aim to restore sight by electrically stimulating neurons in early visual cortex (V1). With the emergence of high-density and flexible neural interfaces, electrode placement within three-dimensional cortex has…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Galen Pogoncheff , Alvin Wang , Jacob Granley , Michael Beyeler

Visual prostheses are designed to restore partial functional vision in patients with total vision loss. Retinal visual prostheses provide limited capabilities as a result of low resolution, limited field of view and poor dynamic range.…

Human-Computer Interaction · Computer Science 2025-01-30 Melani Sanchez-Garcia , Ruben Martinez-Cantin , Jesus Bermudez-Cameo , Jose J. Guerrero

This study proposes a retinal prosthetic simulation framework driven by visual fixations, inspired by the saccade mechanism, and assesses performance improvements through end-to-end optimization in a classification task. Salient patches are…

Computer Vision and Pattern Recognition · Computer Science 2026-02-23 Yuli Wu , Do Dinh Tan Nguyen , Henning Konermann , Rüveyda Yilmaz , Peter Walter , Johannes Stegmaier

Retinal prostheses restore limited visual perception, but low spatial resolution and temporal persistence make reading difficult. In sequential letter presentation, the afterimage of one symbol can interfere with perception of the next,…

Computer Vision and Pattern Recognition · Computer Science 2026-05-14 Jasmine Lesner , Michael Beyeler

Objective. Patients implanted with the PRIMA photovoltaic subretinal prosthesis in geographic atrophy report form vision with the average acuity matching the 100um pixel size. Although this remarkable outcome enables them to read and write,…

Human-Computer Interaction · Computer Science 2026-01-09 Anna Kochnev Goldstein , Jungyeon Park , Yueming Zhuo , Nathan Jensen , Daniel Palanker

State-of-the-art upper limb myoelectric prostheses often use pattern recognition (PR) control systems that translate electromyography (EMG) signals into desired movements. As prosthesis movement complexity increases, users often struggle to…

Prosthetic vision is being applied to partially recover the retinal stimulation of visually impaired people. However, the phosphenic images produced by the implants have very limited information bandwidth due to the poor resolution and lack…

Computer Vision and Pattern Recognition · Computer Science 2025-01-30 Melani Sanchez-Garcia , Ruben Martinez-Cantin , Jose J. Guerrero

Current deep learning-based object detection for Synthetic Aperture Radar (SAR) imagery mainly adopts optical image methods, treating targets as texture patches while ignoring inherent electromagnetic scattering mechanisms. Though…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Jiacheng Chen , Yuxuan Xiong , Haipeng Wang

The visual functions of visual prostheses such as field of view, resolution and dynamic range, seriously restrict the person's ability to navigate in unknown environments. Implanted patients still require constant assistance for navigating…

Computer Vision and Pattern Recognition · Computer Science 2021-10-01 Melani Sanchez-Garcia , Alejandro Perez-Yus , Ruben Martinez-Cantin , Jose J. Guerrero

Implantable retinal prostheses offer a promising solution to restore partial vision by circumventing damaged photoreceptor cells in the retina and directly stimulating the remaining functional retinal cells. However, the information…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Yuli Wu , Julian Wittmann , Peter Walter , Johannes Stegmaier

Sensory substitution has influenced the design of many tactile visual substitution systems with the aim of offering visual aids for the blind. This paper focuses on whether a novel electromagnetic vibrotactile display, a four by four…

Human-Computer Interaction · Computer Science 2021-05-28 Michael J. Proulx , Theodoros Eracleous , Ben Spencer , Anna Passfield , Alexandra de Sousa , Ali Mohammadi

Visual neuroprostheses (bionic eye) aim to restore a rudimentary form of vision by translating camera input into patterns of electrical stimulation. To improve scene understanding under extreme resolution and bandwidth constraints, prior…

Human-Computer Interaction · Computer Science 2025-07-16 Justin M. Kasowski , Apurv Varshney , Michael Beyeler

Intelligent and low-power retinal prostheses are highly demanded in this era, where wearable and implantable devices are used for numerous healthcare applications. In this paper, we propose an energy-efficient dynamic scenes processing…

Neural and Evolutionary Computing · Computer Science 2022-09-19 Chuanqing Wang , Chaoming Fang , Yong Zou , Jie Yang , Mohamad Sawan

Environment awareness is crucial for enhancing walking safety and stability of amputee wearing powered prosthesis when crossing uneven terrains such as stairs and obstacles. However, existing environmental perception systems for prosthesis…

Robotics · Computer Science 2024-04-30 Chuheng Chen , Xinxing Chen , Shucong Yin , Yuxuan Wang , Binxin Huang , Yuquan Leng , Chenglong Fu

Retinal implants aim to restore functional vision despite photoreceptor degeneration, yet are fundamentally constrained by low resolution electrode arrays and patient-specific perceptual distortions. Most deployed encoders rely on…

Image and Video Processing · Electrical Eng. & Systems 2026-02-12 Henning Konermann , Yuli Wu , Emil Mededovic , Volkmar Schulz , Peter Walter , Johannes Stegmaier

Synthetic control methods are commonly used in panel data settings to evaluate the effect of an intervention. In many of these cases, the treated and control units correspond to spatial units such as regions or neighborhoods. Our approach…

Methodology · Statistics 2026-03-27 Giulio Grossi , Alessandra Mattei , Georgia Papadogeorgou

Visual Place Recognition (VPR) is fundamental for the global re-localization of robots and devices, enabling them to recognize previously visited locations based on visual inputs. This capability is crucial for maintaining accurate mapping…

Computer Vision and Pattern Recognition · Computer Science 2024-09-13 Oliver Grainge , Michael Milford , Indu Bodala , Sarvapali D. Ramchurn , Shoaib Ehsan

Endoluminal reconstruction using flow diverters represents a novel paradigm for the minimally invasive treatment of intracranial aneurysms. The configuration assumed by these very dense braided stents once deployed within the parent vessel…

Computational Engineering, Finance, and Science · Computer Science 2023-01-23 Beatrice Bisighini , Miquel Aguirre , Marco Evangelos Biancolini , Federica Trovalusci , David Perrin , Stephane Avril , Baptiste Pierrat

Bionic vision uses neuroprostheses to restore useful vision to people living with incurable blindness. However, a major outstanding challenge is predicting what people 'see' when they use their devices. The limited field of view of current…

Human-Computer Interaction · Computer Science 2022-03-14 Justin Kasowski , Michael Beyeler

Visual attention mechanisms have proven to be integrally important constituent components of many modern deep neural architectures. They provide an efficient and effective way to utilize visual information selectively, which has shown to be…

Computer Vision and Pattern Recognition · Computer Science 2019-05-24 Siddhesh Khandelwal , Leonid Sigal
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