Peter U. Eze

3 Questions 6 Answers 0 Followers

Questions related from Peter U. Eze

How do I maintain and correctly extract watermark in DICOM using NSCT or DWT?

I use NSCT or DWT for watermarking DICOM image thus: coeffs = nsctdec( double(im), nlevels, dfilter, pfilter ); % NSCT Decomposition level14_1 =...

03 March 2018 9,376 0 View

Is there a MATLAB function for JPEG Compression attack on an image at a given quality factor?

I am looking for a single MATLAB function that allows one to perform a JPEG compression on an image at a given quality factor. Like: compressed = JPEGCompression(Image, 'Quality Factor');

11 November 2017 7,470 3 View

Good one but how do you measure compression loss in this case?

. I mean what results do you have in terms of image quality after compression?

01 January 1970 6,070 3 View