FCTH - Fuzzy Color and Texture Histogram - results from the combination of 3 fuzzy systems. FCTH is intended for use in image retrieval systems. This new feature is suitable for accurately retrieving images even in distortion cases such as deformations, noise and smoothing. It is tested on a large number of images selected from proprietary image databases or randomly retrieved from popular search engines. The retrieval rate of a system that implements FCTH, approximates 40 images per second, assuming no prior stored feature information in the searched image databases. To evaluate the performance of the proposed feature, the objective measure called ANMRR is used.
An extension of this feature so as to incorporate spatial information is also proposed. This new feature is called Spatial FCTM (Fuzzy Color and Texture Matrix).
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