From df6cf2174abd28760a5efc484f532353ffd6ddc3 Mon Sep 17 00:00:00 2001 From: cristy Date: Wed, 29 Jan 2014 18:06:41 +0000 Subject: [PATCH] --- README.txt | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/README.txt b/README.txt index dbf5794e9..56a57fd8e 100644 --- a/README.txt +++ b/README.txt @@ -53,8 +53,9 @@ Features and Capabilities * Image calculator: apply a mathematical expression to an image or image channels. * Discrete Fourier transform: implements the forward and inverse DFT. - * Percetual hash: detect similar or duplicate images by analyzing and - comparing their features. + * Perceptual hash: maps visually identical images to the same or similar + image hash-- useful in image retrieval, authentication, indexing, or + copy detection as well as digital watermarking. * Color management: accurate color management with color profiles or in lieu of-- built-in gamma compression or expansion as demanded by the colorspace. -- 2.40.0