Analysis of Data Hiding Using Digital Image Signal Processing

Author(s):  
Sumedha Sirsikar ◽  
Jagruti Salunkhe
Author(s):  
Abhishek Basu ◽  
Susmita Talukdar

In this paper, a saliency and phase congruency based digital image watermarking scheme has been projected. The planned technique implants data at least significant bits (LSBs) by means of adaptive replacement. Here more information is embedded into less perceptive areas within the original image determined by a combination of spectral residual saliency map and phase congruency map. The position of pixels with less perceptibility denotes the most unimportant region for data hiding from the point of visibility within an image. Therefore any modification within these regions will be less perceptible to one observer. The model gives a concept of the areas which has excellent data hiding capacity within an image. Superiority of the algorithm is tested through imperceptibility, robustness, along with data hiding capacity.


1989 ◽  
Vol 17 (2) ◽  
pp. 185-186
Author(s):  
C. Braccini

2014 ◽  
Vol 8 (2) ◽  
pp. 55-68 ◽  
Author(s):  
Vinay Kumar ◽  
Abhishek Bansal ◽  
Sunil Kumar Muttoo

Data hiding is an emerging field of research for secure data transmission over internet, ensuring ownership identification and copyright protection. A couple of techniques have been proposed based on pixel value differencing (PVD) and eight queens' solutions. In this paper, a new data hiding method based on inter-block difference in eight queen's solutions is presented. The result of inter-block difference is XORED with ASCII code of character from the message and the resultant value is embedded in LSB position. The presented approach is more efficient and it provides a more capacity with good imperceptibility. The approach supports different digital image file formats such as bmp, png and tiff.


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