RONI Based Secured and Authenticated Indexing of Lung CT Images

Algorithm 1

RONI detection from lung CT images.

Input: Raw lung CT image.

Output: Index position of RONI detected.

begin

  eliminate unwanted details by cropping.

  isolate lung tissue.

  remove artifact attached to the border.

  detect lung lobes based on region area properties.

  identify position between the lung lobes.

  return the RONI index positions

end