Watermarking does not always work when cropping

syvaidya / openstego

OpenStego is a steganography application that provides two functionalities: a) Data Hiding: It can hide any data within an image file. b) Watermarking: Watermarking image files with an invisible signature. It can be used to detect unauthorized file copying.

https://www.openstego.com

GNU General Public License v2.0

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Watermarking does not always work when cropping #1

Closed timd93 closed 8 years ago

timd93 commented 9 years ago

When you crop an image and you cut off the top portion of the image, the watermark is not detected anymore (0%).

syvaidya commented 9 years ago

Does it happen for all images?
What is the percentage of area cropped?
Can you attach sample image where this happens?

syvaidya commented 8 years ago

Closing, as no response.