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Mostrando ítems 1-10 de 13
Artículo
A 3-D Chip Architecture for Optical Sensing and Concurrent Processing
(SPIE, 2010)
This paper presents an architecture for the implementation of vision chips in 3-D integration technologies. This architecture employs the multi-functional pixel concept to achieve full parallel processing of the information ...
Artículo
Low-Power CMOS Vision Sensor for Gaussian Pyramid Extraction
(Institute of Electrical and Electronics Engineers, 2017)
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 with scale invariance, which permits having ...
Ponencia
Switched-capacitor networks for scale-space generation
(Institute of Electrical and Electronics Engineers, 2011)
In scale-space filtering signals are represented at several scales, each conveying different details of the original signal. Every new scale is the result of a smoothing operator on a former scale. In image processing, ...
Ponencia
In-pixel generation of gaussian pyramid images by block reusing in 3D-CMOS
(Institute of Electrical and Electronics Engineers, 2012)
This paper introduces an architecture of a switched-capacitor network for Gaussian pyramid generation. Gaussian pyramids are used in modern scale- and rotation-invariant feature detectors or in visual attention. Our ...
Ponencia
Form Factor Improvement of Smart-Pixels for Vision Sensors through 3-D Vertically- Integrated Technologies
(Institute of Electrical and Electronics Engineers, 2014)
While conventional CMOS active pixel sensors embed only the circuitry required for photo-detection, pixel addressing and voltage buffering, smart pixels incorporate also circuitry for data processing, data storage and ...
Ponencia
Gaussian Pyramid Extraction with a CMOS Vision Sensor
(Institute of Electrical and Electronics Engineers, 2014)
This paper addresses a CMOS vision sensor with 176 × 120 pixels in standard 0.18 μm CMOS technology that computes the Gaussian pyramid. The Gaussian pyramid is extracted with a double-Euler switched-capacitor network, ...
Artículo
Smart imaging for power-efficient extraction of Viola-Jones local descriptors
(Society of Photo-Optical Instrumentation Engineers, 2014)
In computer vision, local descriptors permit to summarize relevant visual cues through feature vectors. These vectors constitute inputs for trained classifiers which in turn enable different high-level vision tasks. While ...
Ponencia
Offset-compensated comparator with full-input range in 150nm FDSOI CMOS-3d technology
(Institute of Electrical and Electronics Engineers, 2010)
This paper addresses an offset-compensated comparator with full-input range in the 150nm FDSOI CMOS- 3D technology from MIT- Lincoln Laboratory. The comparator discussed here makes part of a vision system. Its architecture ...
Artículo
CMOS-3D smart imager architectures for feature detection
(Institute of Electrical and Electronics Engineers, 2012)
This paper reports a multi-layered smart image sensor architecture for feature extraction based on detection of interest points. The architecture is conceived for 3-D integrated circuit technologies consisting of two layers ...
Ponencia
A CMOS-3D reconfigurable architecture with in-pixel processing for feature detectors
(Institute of Electrical and Electronics Engineers, 2012)
This paper introduces a two-tier CMOS-3D architecture for generation of Gaussian pyramids, detection of extrema, and calculation of spatial derivatives in an image. Such tasks are included in modern feature detectors, which ...