Frederick Brady
University of Rochester
8 Papers
43 Citations
Frederick Brady is an academic researcher from University of Rochester. The author has contributed to research in topics: Image sensor & Pixel. The author has an hindex of 6, co-authored 8 publications.
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Papers
5.10 A 1280×720 Back-Illuminated Stacked Temporal Contrast Event-Based Vision Sensor with 4.86µm Pixels, 1.066GEPS Readout, Programmable Event-Rate Controller and Compressive Data-Formatting Pipeline
Thomas Finateu,Atsumi Niwa,Daniel Matolin,Koya Tsuchimoto,Andrea Mascheroni,Etienne Reynaud,Pooria Mostafalu,Frederick Brady,Ludovic Chotard,Florian LeGoff,Hirotsugu Takahashi,Hayato Wakabayashi,Yusuke Oike,Christoph Posch +13 more
- 01 Feb 2020
TL;DR: Event-based vision sensors pixel-individually detect temporal contrast exceeding a preset relative threshold to follow the temporal evolution of relative light changes and to define sampling points for frame-free pixel-level measurement of absolute intensity.
240
Patent
Conversion gain modulation using charge sharing pixel
Thomas Richard Ayers,Frederick Brady,Jinsuk Kang,Hwang Sungin,Sen Yu +4 more
- 21 Dec 2011
TL;DR: In this paper, an image sensor including an array of pixel elements is operated according to two operation modes to modulate the conversion gain of the pixel to operate the image sensor based on the impinging light conditions.
29
Patent
CMOS image sensors implementing full frame digital correlated double sampling with global shutter
Thomas Richard Ayers,Frederick Brady,Jinsuk Kang,Ping Wah Wong +3 more
- 27 Mar 2013
TL;DR: In this article, an active pixel CMOS image sensor implements full frame digital correlated double sampling (CDS) with global shutter where all the pixels in the image sensor are reset at substantially the same time and all the points in the sensor integrate incident light at substantially different times and for substantially different time duration.
14
Patent
Imaging devices and imaging apparatuses, and methods for the same
Pooria Mostafalu,Hwang Sungin,Frederick Brady +2 more
- 11 Mar 2021
TL;DR: In this article, an imaging device includes a first pixel including a photoelectric conversion region disposed in a first substrate and that converts incident light into first electric charges, and a first readout circuit including a first converter that converts the first electric charge into a first logarithmic voltage signal.
Patent
Solid-state imaging device and imaging device with shared circuit elements
Frederick Brady,Pooria Mostafalu,Mi Hongyi +2 more
- 11 Mar 2021
TL;DR: In this paper, a plurality of unit pixels are disposed into pixel groups that are separated from one another by isolation structures and share circuit elements, and at least a portion of the isolation structures between unit pixels within a pixel group are deep trench isolation structures.