US 2012/0121813 A1
Apparatus and method for printing in both image and aroma domains intelligently
Eastman Kodak Company
Algorithms for detecting objects within images have advanced rapidly in recent years. Many of today’s digital cameras detect faces, flowers, trees and so on, so that the correct exposure and other settings can be automatically made. The idea here is to use the same technology to evaluate photos being printed in a photofinishing system, and to add an appropriate scent to the image.
In the workflow, object recognition algorithms search for eyes in an image, determine the contour of a boundary, assesses whether the image is human, etc. Other algorithms can detect flowers in the image, and so on. Once the nature of the image has been determined the appropriate scent, if any is chosen.
The suggested classification of scents of that of M Edwards, who in 1983 developed a ‘fragrance wheel’ shown overleaf. Five different fragrance types are characterised as floral, oriental, woody, fougère (fern-like) and fresh. The patent application points out that although the preferably prints appealing or attractive scents on to an image, any kind of scent including non-appealing ones can also be printed.
The preferred method of depositing the scents is using ink jet printheads. The scent can be printed in the image areas where the object represented will be printed, as long as the scents will not react with the ink. This is true for pigment-based inks.
If the scent will react with the inks the scent can be printed in border areas or even the back of the print.