A review of assistive spatial orientation and navigation technologies for the visually impaired

H Fernandes, P Costa, V Filipe, H Paredes… - Universal Access in the …, 2019 - Springer
The overall objective of this work is to review the assistive technologies that have been
proposed by researchers in recent years to address the limitations in user mobility posed by …

Real-time visual feedback for user positioning with respect to a camera and a display

A Bud, A Newell, J Palmer - US Patent 9,412,169, 2016 - Google Patents
Systems, methods, and computer program products provide near real-time feedback to a
user of a camera-enabled device to guide the user to capture self-imagery when the user is …

A marker-less registration approach for mixed reality–aided maxillofacial surgery: a pilot evaluation

A Pepe, GF Trotta, P Mohr-Ziak, C Gsaxner… - Journal of digital …, 2019 - Springer
As of common routine in tumor resections, surgeons rely on local examinations of the
removed tissues and on the swiftly made microscopy findings of the pathologist, which are …

Real-time visual feedback for user positioning with respect to a camera and a display

A Bud, A Newell, J Palmer - US Patent 10,691,934, 2020 - Google Patents
Abstract Systems, methods, and computer program products provide near real-time
feedback to a user of a camera-enabled device to guide the user to capture self-imagery …

Handsee: enabling full hand interaction on smartphone with front camera-based stereo vision

C Yu, X Wei, S Vachher, Y Qin, C Liang… - Proceedings of the …, 2019 - dl.acm.org
We present HandSee, a novel sensing technique that can capture the state and movement
of the user's hands touching or grip** a smartphone. We place a right angle prism mirror …

Depth measurement based on stereo vision with integrated camera rotation

HY Lin, CL Tsai - IEEE Transactions on Instrumentation and …, 2021 - ieeexplore.ieee.org
Measuring the distance is one of the main objectives for sensor development. In this article,
we present a new sensor system design for depth recovery. It is based on stereopsis with the …

Multi-view faces detection using Viola-Jones method

E Winarno, W Hadikurniawati… - Journal of Physics …, 2018 - iopscience.iop.org
Face detection has arrested attention because it has many applications in computer vision.
Face detection is widely used in many digital image processing as a basis for recognizing …

A deep neural network sensor for visual servoing in 3d spaces

P Durdevic, D Ortiz-Arroyo - Sensors, 2020 - mdpi.com
This paper describes a novel stereo vision sensor based on deep neural networks, that can
be used to produce a feedback signal for visual servoing in unmanned aerial vehicles such …

[BOEK][B] Vision-aided pedestrian navigation for challenging GNSS environments

L Ruotsalainen - 2013 - trepo.tuni.fi
There is a strong need for an accurate pedestrian navigation system, functional also in
GNSS challenging environments, namely urban areas and indoors, for improved safety and …

Single-image distance measurement by a smart mobile device

S Chen, X Fang, J Shen, L Wang… - IEEE transactions on …, 2016 - ieeexplore.ieee.org
Existing distance measurement methods either require multiple images and special
photographing poses or only measure the height with a special view configuration. We …