Rajeev Ramanath

Works (8)

Updated: July 5th, 2023 16:00

2005 journal article

Sensing spectral stimuli: Sensor functions and number

COLOR RESEARCH AND APPLICATION, 31(1), 30–37.

By: R. Kuehni n & R. Ramanath n

author keywords: color vision; color sensors; color spectra
TL;DR: Using synthesized and real spectra this article addresses questions regarding the degree to which synthetic and real sensor systems with one, two, and three sensors can distinguish among stimuli and can reconstruct the original spectra to draw the conclusion that distinguishability was a more important goal of evolution than reconstructability. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2004 journal article

Comparing observers

COLOR RESEARCH AND APPLICATION, 29(3), 183–186.

By: R. Kuehni n & R. Ramanath n

author keywords: color perception; color-matching functions; metamerism
Source: Web Of Science
Added: August 6, 2018

2003 journal article

A comparative analysis of structural risk minimization by support vector machines and nearest neighbor rule

PATTERN RECOGNITION LETTERS, 25(1), 63–71.

By: B. Karacali *, R. Ramanath n & W. Snyder n

author keywords: nearest neighbor; structural risk minimization; support vector machines; kernel operator; prototype selection
TL;DR: Experimental results indicate that the NNSRM formulation is not only computationally less expensive, but also much more robust to varying data representations than SVMs. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2003 journal article

Adaptive demosaicking

JOURNAL OF ELECTRONIC IMAGING, 12(4), 633–642.

By: R. Ramanath n & W. Snyder

TL;DR: This work proposes an adaptive demosaicking technique in the framework of bilateral filtering that provides a means to denoise, sharpen, and demosaic the image simultaneously and is run on synthetic images and real-world images for comparative purposes. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2003 journal article

Spectral spaces and color spaces

COLOR RESEARCH AND APPLICATION, 29(1), 29–37.

By: R. Ramanath n, R. Kuehni n, W. Snyder n & D. Hinks n

author keywords: color spaces; metamerism; Munsell system; spectral spaces; spectrophotometry
TL;DR: This article compares color spaces, perceptual or based on dimensionality reduction using color matching functions and additional operations (uniform color space), to spectral spaces derived with a variety ofdimensionality reduction techniques. (via Semantic Scholar)
Source: Web Of Science
Added: August 6, 2018

2002 article

Demosaicking as a bilateral filtering process

IMAGE PROCESSING: ALGORITHMS AND SYSTEMS, Vol. 4667, pp. 236–244.

By: R. Ramanath n & W. Snyder n

author keywords: bilateral filtering; color filter array; demosaicing; demosaicking; digital still camera; interpolation
TL;DR: This paper approaches the process of demosaicking as a bilateral filtering process which is a combination of spatial domain filtering and filtering based on similarity measures, and implemented a variety of kernel combinations while performing demosaicked. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2002 journal article

Demosaicking methods for Bayer color arrays

JOURNAL OF ELECTRONIC IMAGING, 11(3), 306–315.

By: R. Ramanath n, W. Snyder n, G. Bilbro n & W. Sander*

TL;DR: This paper introduces and compares a few commonly used demosaicking methods using error metrics like mean squared error in the RGB color space and perceivederror in the CIELAB color space. (via Semantic Scholar)
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Source: Web Of Science
Added: August 6, 2018

2002 chapter

Image comparison measure for digital still color cameras

In 2002 International Conference on Image Processing: proceedings: ICIP: 22-25 September, 2002, Rochester Riverside Convention Center, Rochester, New York, USA: Vol. 1 (Vol. 1, pp. 629–632). Piscataway, NJ: IEEE.

By: A. Ramanath, B. Snyder & C. Hinks

Source: NC State University Libraries
Added: August 6, 2018

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