search

etfovac / watermark

Robustness of DWT vs DCT is graded based on the quality of extracted watermark. The measure used is the Correlation coefficient (0-100%).
https://etfovac.github.io/watermark/
MIT License
12 stars 4 forks source link

Create digital watermark #11

Closed varshi1228 closed 1 year ago

varshi1228 commented 1 year ago

Not marked. Watermark method: None. Attack: None C:\Users\dzoni\Documents\GitHub\watermark\output\marked\Marked_image_None.tif Not detected. Watermark method: None.

Correlation Coefficient of the watermarks NaN Normalized Correlation of the watermarks 0.000000 Correlation Coefficient of the images 1.000000 Normalized Correlation of the images 1.000000

Num of bit errors in detected watermark 2635
BER [%] for detected watermark 64.331055

varshi1228 commented 1 year ago

image

varshi1228 commented 1 year ago

Method: DCT Attack: None C:\Users\dzoni\Documents\GitHub\watermark\output\marked\Marked_image_DCT.tif

Correlation Coefficient of the watermarks 0.995758 Normalized Correlation of the watermarks 0.996964 Correlation Coefficient of the images 0.999543 Normalized Correlation of the images 0.999996

Num of bit errors in detected watermark 8
BER [%] for detected watermark 0.195313

Method: DWT Attack: None C:\Users\dzoni\Documents\GitHub\watermark\output\marked\Marked_image_DWT.tif

Correlation Coefficient of the watermarks 1.000000 Normalized Correlation of the watermarks 1.000000 Correlation Coefficient of the images 0.998351 Normalized Correlation of the images 1.000107

Num of bit errors in detected watermark 0
BER [%] for detected watermark 0.000000