Fuzzy color signatures
نویسندگان
چکیده
With the large and increasing amount of visual information available in digital libraries and the Web, efficient and robust systems for image retrieval are urgently needed. In this paper a compact color descriptor scheme and an efficient metric to compare and retrieve images is presented. An image adaptive color clustering method, called fuzzy color signature, is proposed. The original image colors are mapped into a small number of representative colors using a peaks detection function derived from the color distribution. Fuzzy color signatures are then used as image descriptors. To compare image descriptors the Earth Mover’s Distance is used. The cost associated with the estimation of this metric was modified by applying fuzzy logic. Several experiments have been conducted to assess the performance of the proposed technique.
منابع مشابه
A Unified Fuzzy Feature Indexing Scheme for Region Based Online Image Querying
This paper describes a novel indexing and retrieval methodology integrating color, texture and shape information for content-based image retrieval in online image databases. This methodology, called PicSearcher, applies unsupervised image segmentation to partition an image into a set of regions, then fuzzy color histogram as well as fuzzy texture and shape properties of each region is calculate...
متن کاملAn Efficient Clustering-Based Fuzzy Matching Approach for Image Database Retrieval
This paper describes a novel indexing and retrieval methodology integrating color, texture and shape information for content-based image retrieval in image databases. This methodology applies unsupervised image segmentation to partition an image into a set of regions and extracts texture and shape information of each region to be part of their signatures. In addition, fuzzy histogram of each re...
متن کاملRanking Images Using Customized Fuzzy Dominant Color Descriptors
In this paper we describe an approach for defining customized color descriptors for image retrieval. In particular, a customized fuzzy dominant color descriptor is proposed on the basis of a finite collection of fuzzy colors designed specifically for a certain user. Fuzzy colors modeling the semantics of a color name are defined as fuzzy subsets of colors on an ordinary color space, filling the...
متن کاملGeneralized reasoning about faults based on the diagnostic matrix
This paper introduces a set of comprehensive general reasoning rules about single faults based on a diagnostic matrix. The reasoning scheme unifies inference about faults based on a conventional binary diagnostic matrix, a twoand three-valued fault isolation system as well as on their fuzzy counterparts. There are introduced and defined notions of alternative and dominant fault signatures, fuzz...
متن کاملFuzzy Set Theoretical Analysis of Human Membership Values on the Color Triangle - Mapping from the Color Triangle (Antecedent) via the Color Triangle (Consequent) to the Tone Triangle
The present study considers a fuzzy color system in which three membership functions are constructed on the RGB color triangle. This system can process a fuzzy input (as the membership values of subjects) to an RGB system and output the center of gravity of three weights associated with respective grades. Three membership functions are applied to the RGB color triangle relationship. By treating...
متن کامل