Browse Prior Art Database

Window Moving Method for Illegal Image Capturing Prevention

IP.com Disclosure Number: IPCOM000123988D
Original Publication Date: 1999-Sep-01
Included in the Prior Art Database: 2005-Apr-05
Document File: 2 page(s) / 71K

Publishing Venue

IBM

Related People

Miyamoto, K: AUTHOR

Abstract

A program is disclosed that restricts the visible portion of a still or motion digital image. The visibility is restricted at all times to prevent illegal copying of the image by means of capturing or otherwise such as printing or taking picture. Illegal capture prevention is required in many cases since many copyright owners of the images do not want their images to be captured and misused, but do want to show their images in good quality for commercial or non-commercial purposes.

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This is the abbreviated version, containing approximately 52% of the total text.

Window Moving Method for Illegal Image Capturing Prevention

A program is disclosed that restricts the visible portion
of a still or motion digital image.  The visibility is restricted at
all times to prevent illegal copying of the image by means of
capturing or otherwise such as printing or taking picture.  Illegal
capture prevention is required in many cases since many copyright
owners of the images do not want their images to be captured and
misused, but do want to show their images in good quality for
commercial or non-commercial purposes.

   Visible portion(s) may be regarded as a "window".  The
window will move within the image in a certain random fashion where
it is difficult to predict the next position of the window.

   Previous methods of image capturing prevention either
degraded the quality of the image or lacked portability and/or
lacked security.

   Typical implementaion of this method are as follows:
  1) The window will theoretically cover all the portions of
     the image over a finite period of time, assuring there
     are no portions that will never be seen.
  2) The window will move in a near random fashion.
  3) The window will move relatively to the previous position,
     so that human eyes can follow the window rather easily.
  4) The number of the window is single, so human eyes will not
     be disturbed by multiple moving windows.
  5) The shape of the window maybe of any shape but preferably
     rectangle to offload the calculation required.
  6) The image does not move from its original position in any
     way, so that user will know where in position the window...