نتایج جستجو برای: content based image retrieval

تعداد نتایج: 3494522  

2011
Gerald Schaefer

Image collections are growing at a rapid rate, motivating the need for efficient and effective tools to search through these databases. Content-based image retrieval (CBIR) techniques extract features directly from image data and use these to query image collections. In this paper, we focus on some more advanced issues in CBIR, namely the extraction of image features from compressed images, the...

2015
Jaykrishna Joshi Dattatray Bade

The need for efficient content-based image retrieval system has increased hugely. Efficient and effective retrieval techniques of images are desired because of the explosive growth of digital images. Content based image retrieval (CBIR) is a promising approach because of its automatic indexing retrieval based on their semantic features and visual appearance. In this proposed system we investiga...

2004
Xiaojun Qi Yutao Han

This paper proposes an effective and efficient approach to content-based image retrieval by integrating global visual features and fuzzy region-based color and texture features. The Cauchy function is utilized to fuzzify each independent regional color and texture feature for addressing the issues associated with the color/texture inaccuracies and segmentation uncertainties. The overall similar...

Journal: :J. Inf. Sci. Eng. 2008
Wei-Ho Tsai Hung-Ming Yu Hsin-Min Wang

Automatic extraction of information from music data is an important and challenging issue in the field of content-based music retrieval. As part of the research effort, this study presents a technique that automatically identifies cover versions of songs specified by users. The technique enables users to search for songs with an identical tune, but performed by different singers, in different l...

Journal: :iranian journal of medical physics 0
abolfazl lakdashti ph.d. student of computer engineering, islamic azad university, research and science branch, tehran, iran mohammad shahram moin assistant professor and director of multimedia research group, it faculty, iran telecom research center, tehran, iran kambiz badie associate professor and director of it faculty, iran telecom research center, tehran, iran

introduction: content based image retrieval (cbir) is a method of image searching and retrieval in a  database. in medical applications, cbir is a tool used by physicians to compare the previous and current  medical images associated with patients pathological conditions. as the volume of pictorial information  stored in medical image databases is in progress, efficient image indexing and retri...

Journal: :International Journal of Advanced Computer Science and Applications 2015

2004
Jean-François Omhover Marcin Detyniecki

This paper introduces a new CBIR system based on segmented images and fuzzy similarity measures. It gives the possibility to the user to specify a set of regions, and to retrieve images containing these regions in an approximate spatial configuration. It also supports competitive queries, and allows the expert-user to manipulate the parameters of the functions involved. In this manuscript we fo...

2008
Guillaume Joutel Véronique Eglin Hubert Emptoz

This paper presents a general architecture for ancient handwriting documents content description and retrieval. It is based on the Curvelets decomposition of images for indexing linear singularities of handwritten shapes. As it belongs to the Wavelets family, its representation is used at several scales of details. The proposed scheme for handwritten shape characterization targets to detect ori...

2004
Sameer K. Antani Xiaoqian Xu L. Rodney Long George R. Thoma

Efficient content-based image retrieval (CBIR) of biomedical images is a challenging problem. Feature representation algorithms used in indexing medical images on the pathology of interest have to address conflicting goals of reducing feature dimensionality while retaining important and often subtle biomedical features. In case of the vertebra, its shape effectively describes various pathologie...

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