CMOS vision sensors: embedding computer vision at imaging front-ends

A Rodriguez-Vazquez… - IEEE Circuits and …, 2018 - ieeexplore.ieee.org
CMOS Image Sensors (CIS) are key for imaging technologies. These chips are conceived
for capturing optical scenes focused on their surface, and for delivering electrical images …

Feature computation in a sensor element array

EP Gousev, A Govil, SY Kim, N Rasquinha… - US Patent …, 2017 - Google Patents
Techniques describe computing computer vision (CV) fea tures based on sensor readings
from a sensor and detecting macro-features based on the CV features. The sensor may …

Low-power always-on face detection, tracking, recognition and/or analysis using events-based vision sensor

EP Gousev, A Govil, J Maitan, N Rasquinha… - US Patent …, 2017 - Google Patents
Techniques disclosed herein utilize a vision sensor that integrates a special-purpose
camera with dedicated com puter vision (CV) computation hardware and a dedicated low …

Low-power CMOS vision sensor for Gaussian pyramid extraction

M Suarez, VM Brea, J Fernandez-Berni… - IEEE Journal of Solid …, 2016 - ieeexplore.ieee.org
This paper introduces a CMOS vision sensor chip in a standard 0.18 μm CMOS technology
for Gaussian pyramid extraction. The Gaussian pyramid provides computer vision algorithms …

Low power data generation for iris-related detection and authentication

E Gousev, L Shen, V Chan, EC Park… - US Patent 10,984,235, 2021 - Google Patents
US10984235B2 - Low power data generation for iris-related detection and authentication -
Google Patents US10984235B2 - Low power data generation for iris-related detection and …

Single-processor computer vision hardware control and application execution

E Gousev, A Govil, J Maitan, N Rasquinha… - US Patent …, 2019 - Google Patents
Apparatuses, methods, and systems are presented for react ing to scene-based
occurrences. Such an apparatus may comprise dedicated computer vision (CV) computation …

Scanning window for isolating pixel values in hardware for computer vision operations

A Govil, V Rangan, N Rasquinha, HJ Seo - US Patent 9,940,533, 2018 - Google Patents
An apparatus includes a hardware sensor array including a plurality of pixels arranged
along at least a first dimension and a second dimension of the array, each of the pixels …

Light source modulation for iris size adjustment

E Gousev, L Shen, V Chan, EC Park… - US Patent 10,614,332, 2020 - Google Patents
Use of pupillary response to visible light for iris authenti cation is disclosed. One example
involves (a) capturing an initial image of an eye including an inner circular boundary …

Focal-plane sensing-processing: A power-efficient approach for the implementation of privacy-aware networked visual sensors

J Fernández-Berni, R Carmona-Galán, R Río… - Sensors, 2014 - mdpi.com
The capture, processing and distribution of visual information is one of the major challenges
for the paradigm of the Internet of Things. Privacy emerges as a fundamental barrier to …

Apparatus and method for low-power object-detection in images using hardware scanning window

A Govil, EP Gousev, V Rangan… - US Patent 9,471,840, 2016 - Google Patents
2004/O1551. 75 A1 8, 2004 2009/0020612 A1 1/2009 2009 OO60383 A1 3, 2009 2009.
O1577O7 A1 6, 2009 2010, 0182468 A1 7, 2010 2010/0316254 A1 12, 2010 2011 O128428 …