Search Results for author: Artyom M. Grigoryan

Found 6 papers, 0 papers with code

An Efficient Calculation of Quaternion Correlation of Signals and Color Images

no code implementations10 May 2022 Artyom M. Grigoryan, Sos S. Agaian

This paper describes an effective method of calculating the correlation function of signals and color images in quaternion algebra.

Color-Coded Symbology and New Computer Vision Tool to Predict the Historical Color Pallets of the Renaissance Oil Artworks

no code implementations27 Feb 2021 Artyom M. Grigoryan, Sos S. Agaian

We believe that framework might be very useful in the prediction of color palletes of the Renaissance oil artworks and other artworks.

Image Enhancement

A Novel Color Image Enhancement Method by the Transformation of Color Images to 2-D Grayscale Images

no code implementations20 Jul 2018 Artyom M. Grigoryan, Aparna John, Sos S. Agaian

A novel method of color image enhancement is proposed, in which three or four color channels of the image are transformed to one channel 2-D grayscale image.

Image Enhancement

Alpha-rooting color image enhancement method by two-side 2-D quaternion discrete Fourier transform followed by spatial transformation

no code implementations20 Jul 2018 Artyom M. Grigoryan, Aparna John, Sos S. Agaian

This new method is referred as the alpha-rooting method of color image enhancement by the two-dimensional quaternion discrete Fourier transform (2-D QDFT) followed by a spatial transformation.

Image Enhancement

Modified Alpha-Rooting Color Image Enhancement Method On The Two-Side 2-D Quaternion Discrete Fourier Transform And The 2-D Discrete Fourier Transform

no code implementations15 Jul 2017 Artyom M. Grigoryan, Aparna John, Sos S. Agaian

This paper proposes an implementation of the quaternion approach of enhancement algorithm for enhancing color images and is referred as the modified alpha-rooting by the two-dimensional quaternion discrete Fourier transform (2-D QDFT).

Image Enhancement

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