Luma-chroma separated processing for fast flow-based image abstraction on mobile devices

Jin Woo Kim, Se Weon Jeon, Tack Don Han

Research output: Contribution to journalArticle

Abstract

A fast method to generate cartoon-style images is presented. The cartoon-style image construction procedure consists of two processes: outline detection followed by colour filling. The outline detection operation is sensitive to image luminance (luma) and the colour-filling operation is sensitive to chrominance (chroma). Using this feature, a fast method is proposed for generating cartoon-style images based on luminance-chrominance (luma-chroma) separated processing. This method decreases the number of operations required for colour filling using a UV chroma component extracted from the YUV colour space. This approach is suitable for camera image formats and mobile SIMD units. Experimental tests demonstrate that the proposed method exhibits 221% faster processing time as compared to naïve methods. Moreover, the mean absolute error between naïve methods and the proposed method is < 1%.

Original languageEnglish
Pages (from-to)1838-1839
Number of pages2
JournalElectronics Letters
Volume50
Issue number24
DOIs
Publication statusPublished - 2014 Nov 1

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Mobile devices
Color
Processing
Luminance
Cameras

All Science Journal Classification (ASJC) codes

  • Electrical and Electronic Engineering

Cite this

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abstract = "A fast method to generate cartoon-style images is presented. The cartoon-style image construction procedure consists of two processes: outline detection followed by colour filling. The outline detection operation is sensitive to image luminance (luma) and the colour-filling operation is sensitive to chrominance (chroma). Using this feature, a fast method is proposed for generating cartoon-style images based on luminance-chrominance (luma-chroma) separated processing. This method decreases the number of operations required for colour filling using a UV chroma component extracted from the YUV colour space. This approach is suitable for camera image formats and mobile SIMD units. Experimental tests demonstrate that the proposed method exhibits 221{\%} faster processing time as compared to na{\"i}ve methods. Moreover, the mean absolute error between na{\"i}ve methods and the proposed method is < 1{\%}.",
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Luma-chroma separated processing for fast flow-based image abstraction on mobile devices. / Kim, Jin Woo; Jeon, Se Weon; Han, Tack Don.

In: Electronics Letters, Vol. 50, No. 24, 01.11.2014, p. 1838-1839.

Research output: Contribution to journalArticle

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