نتایج جستجو برای: based retrieval

تعداد نتایج: 2980695  

2003
Aster Wardhani

Searching for an object in a general image collection using current image retrieval systems, is still a problem. The retrieval results contain many unrelated images. In providing an effective and robust image database, objects in an image need to be extracted. Since the number of stored images can be very large, automation is an important aspect. Image indexing is a technique that extracts obje...

2004
Avinash Tiwari Veena Bansal

A patent always contains some images along with the text. Many text based systems have been developed to search the patent database. In this paper, we describe PATSEEK that is an image based search system for US patent database. The objective is to let the user check the similarity of his query image with the images that exist in US patents. The user can specify a set of key words that must exi...

2005
Mahmoud R. Hejazi Woontack Woo Yo-Sung Ho

Current image retrieval techniques have shortcomings that make it difficult to search for images based on a semantic understanding of what the image is about. Since an image is normally associated with multiple contexts (e.g. when and where a picture was taken,) the knowledge of these contexts can enhance the quantity of semantic understanding of an image. In this paper, we present a context-aw...

2014
A. Malcom Marshall

The Image retrieval plays a key role in day-to-days world. This work is a review of various references of various image retrieval methods. This paper starts with discussing the working conditions of text based image retrieval then the content-based retrieval: patterns of use, levels, the role of semantics, and the semantic gap. We briefly discuss about various techniques of content based image ...

Background and aim: The aim of this study was to identify the factors affecting on students' performance in information retrieval based on fuzzy logic method compared to traditional method. Materials and methods: This survey-descriptive study was performed using quantitative approach. The research population was 34 PhD students, and the researcher-made questionnaire was used. Data were analyzed...

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...

2016
Linda Mary John Kiran Ashok Bhandari

Satellite images play an important role for collection of geographical information. However, the use of such images is limited to a greater extent due to its retrieval complexities. Traditional methods using text have also failed to yield desired and time-saving results. Therefore, Content based image retrieval using high semantic features has been developed to overcome problems related to text...

Journal: :Electronic Letters on Computer Vision and Image Analysis 2021

Searching for an image in a database is important different applications; hence, many algorithms have been proposed to identify the contents of image. In some applications, but not all, identifying content as whole can offer good results. object inside more most applications than whole. Therefore, studies focused on segmenting into small sub-images and identified their contents. view concepts h...

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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