نتایج جستجو برای: image clustering

تعداد نتایج: 471490  

2012
Debabrata Samanta Goutam Sanyal

Image Classification is the evolution of separating or grouping an image into different parts. The good act of recognition algorithms based on the quality of classified image. The good feat of recognition algorithms based on the quality of classified image. An important problem in SAR image application is accurate classification. Image segmentation is the mainly practical loom among virtually a...

2011
N. Naveen Kumar S. Ramakrishna

In Web Search Engine, Clustering is an efficient way of reaching information from raw data and K-means is a basic method for it. Although it is easy to implement and understand, but it has serious drawbacks. So we go for some other techniques for filtering process like greedy global algorithm. These types of algorithms are also work as a text mining techniques over the web and also cluster the ...

2008
Dimitrios K. Iakovidis Nikos Pelekis Evangelos E. Kotsifakos Ioannis Kopanakis

Intuitionistic fuzzy sets are generalized fuzzy sets whose elements are characterized by a membership, as well as a non-membership value. The membership value indicates the degree of belongingness, whereas the nonmembership value indicates the degree of non-belongingness of an element to that set. The utility of intuitionistic fuzzy sets theory in computer vision is increasingly becoming appare...

2014
Arunkumar Rajendran Thamarai Muthusamy

In this paper an optimized method for unsupervised image clustering is proposed. Generally a Novel Fuzzy C Means (FCM) or FCM based clustering algorithm are used for clustering based image segmentation but these algorithms have a disadvantage of depending upon supervised user inputs such as number of clusters. Our proposed algorithm enhances an unsupervised preliminary process known as Double C...

2005
YUK YING CHUNG

Digital images are useful media for storing spatial, spectral and temporal components of information. Large image databases often store the images in compressed format, JPEG for example. This paper examines the algorithms of direct extraction of low level features from compressed images, working with three different clustering techniques. Results indicate that a K-Harmonic means clustering algo...

2006
E. A. Zanaty

Classical and clustering techniques for image segmentation are important tools in medical sciences. Classical techniques include histogram, region growing, watershed, and contour. The more recent clustering techniques include standard fuzzy c-means clustering, kernelized c-means, spatial constrained fuzzy c-means, and k-means clustering. These methods are applied on different images, synthetic ...

2013
Kohei Arai

A new method for image clustering with density maps derived from Self-Organizing Maps (SOM) is proposed together with a clarification of learning processes during a construction of clusters. Simulation studies and the experiments with remote sensing satellite derived imagery data are conducted. It is found that the proposed SOM based image clustering method shows much better clustered result fo...

Journal: :CoRR 2010
S. Zulaikha Beevi M. Mohammed Sathik K. Senthamaraikannan

Medical image segmentation demands an efficient and robust segmentation algorithm against noise. The conventional fuzzy c-means algorithm is an efficient clustering algorithm that is used in medical image segmentation. But FCM is highly vulnerable to noise since it uses only intensity values for clustering the images. This paper aims to develop a novel and efficient fuzzy spatial c-means cluste...

Journal: :Soft Comput. 2007
Korris Fu-Lai Chung Shitong Wang Min Xu Dewen Hu Qing Lin

Rooted at the exponential possibility model recently developed by Tanaka and his colleagues, a new clustering criterion or concept is introduced and a possibility theoretic clustering algorithm is proposed. The new algorithm is characterized by a novel formulation and is distinctive in determining an appropriate number of clusters for a given dataset while obtaining a quality clustering result....

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