# A Color Image Hidden in a Grey-Level Image

1 ICAR - Image & Interaction
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier
Abstract : In this paper, we propose a method to embed the color information of an image in a corresponding grey-level image. The objective of this work is to allow free access to the grey-level image and give color image access only if you own a secret key. This method is made of three major steps which are the color quantization, the ordering and the data hiding. The originality of this paper is to build an {\em indexed image} which is, in the same time, a semantically intelligible grey-level image. In order to obtain this particular {\em indexed image}, which should be robust to data hiding, we propose an original $K$ color ordering algorithm called the {\em layer running algorithm}.
Type de document :
Communication dans un congrès
CGIV: Colour in Graphics, Imaging and Vision, Jun 2006, Leeds, United Kingdom. 3rd European Conference on Colour in Graphics, Imaging and Vision, pp.226-231, 2006
Domaine :

Littérature citée [8 références]

https://hal-lirmm.ccsd.cnrs.fr/lirmm-00123583
Contributeur : William Puech <>
Soumis le : mercredi 10 janvier 2007 - 14:20:08
Dernière modification le : jeudi 11 janvier 2018 - 06:26:18
Document(s) archivé(s) le : mercredi 7 avril 2010 - 02:01:48

### Identifiants

• HAL Id : lirmm-00123583, version 1

### Citation

Marc Chaumont, William Puech. A Color Image Hidden in a Grey-Level Image. CGIV: Colour in Graphics, Imaging and Vision, Jun 2006, Leeds, United Kingdom. 3rd European Conference on Colour in Graphics, Imaging and Vision, pp.226-231, 2006. 〈lirmm-00123583〉

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