ABSTRACT- A innovative Double Faced watermarking scheme Using histogram changing inflection which flexible takes care of the confined specification of the picture contented. By registering it to the picture calculation-problems and by making an allowance for their next locality, the techniques we used to placing information in textured areas that should be encrypted & decrypted properly. in addition, our methods makes utilize of a categorization process for notifying the parts of the picture so it has been watermarkened with the nearly everyone suitable double faced (spasmodic) intonation. These categorization can be done on a orientation picture derived from the original picture itself, a predict of which have the resources of being relative to the watermark embeded. In this method, these watermark implanted plus extractor stay coordinated for message removal and image rebuilding. The test arrangement happening on a number of general images and on medicinal picture as of variety of modalities, our plan can include more data with subordinate twist than any existing method with lower twist than any existing technique In histogram changing the pixel can be well-organized and lesser difficulty than applying it on calculation- errors. since, the histogram maxima corresponds to the void gray value; capability is increased and underflow are simply evade by changing pixel value to the correct, i.e. by adding up a productive gray scale value. Keyword - Double Faced , Proportional, Histogram Changing, DWT. At present digital acoustic watermark have been recognized as latent as well as sensible answer toward the problem of the acoustic reasonable assets right guard and acknowledged extensive attraction [1, 2]. The majority of the acoustic watermark techniques uses the permanent values devoid of some optimization inside the text [3-6]. As an alternative can be used by permanent parameter, one more trend is witness clever systems in addition to inventing algorithms are included into watermark technique to optimize the variables [7- 12]. A popular intellectual devoid of using its incline, If SPASMODIC WATERMARKING OF COMPARATIVE IMAGES USING DISCRETE WAVELET TRANSFORM (DWT) AND HISTOGRAM CHANGING S.Venkatesh 1 , Dr.M.A.Dorairangaswamy 2 1 Research Scholar, Faculty of Computer Science and Engineering Sathyabama University, Chennai, Tamilnadu. 2 Professor and Registrar, St Peter’s University, Avadi Chennai, Tamilnadu. 1 venkyjep@gmail.com 2 drdorairs@yahoo.co.in International Journal of Computer Science and Information Security (IJCSIS), Vol. 16, No. 7, July 2018 179 https://sites.google.com/site/ijcsis/ ISSN 1947-5500