46,984 Hits in 4.3 sec

Visual Information Retrieval Based on Shape Similarity [chapter]

Jong-Seung Park
2004 Lecture Notes in Computer Science  
An effective and fast shape description and retrieval method is presented for huge image databases.  ...  A fast computational method for the similarity of skeletons is also proposed by using the moment invariants.  ...  In this paper, to improve the retrieval effectiveness of a content-based image retrieval system, a shape-based similarity comparison method is presented.  ... 
doi:10.1007/978-3-540-30544-6_51 fatcat:6fwjwjz5q5b43p7vm7h4o3jsfu

Edge-Based Feature Extraction Method for Image Retrieval(Sessions5 Image Processing)(IWAIT2002)

2002 ITE Technical Report  
Slk) propose a new feature extraction method for contentbased irnage retrieval using a graphical rough sketch, The proposal image feature is based on the shape and the texture of the object This edge-based  ...  Then, as a result of applying the method to 3,20e images from COREL photo gallery, we found that the proposal feature is effective for image retrieval.  ...  feature of shape and texture description is important for image retrieval [7, 8] .  ... 
doi:10.11485/itetr.26.4.0_1 fatcat:ejrvfpc2r5dkxg57dcggiepy7e

An Effective Image Retrieval Method Based on Multi-features

Lang Sun, Yan Tang, Hong Zhang
2014 Journal of Software  
To improve the accuracy of image retrieval methods, an effective image retrieval method based on multifeatures is proposed.  ...  The color feature of the image is extracted by constructing a (16:4:4) quantization scheme of image color.  ...  ACKNOWLEDGMENT The authors are grateful to the anonymous referees for their constructive and valuable comments, which improved the manuscript.This work was supported in part by the foundation of Chunhui  ... 
doi:10.4304/jsw.9.4.931-937 fatcat:lvqq2hioanh3rfpnvti63hwv7u

A Content-based Image Retrieval System Based on Polar Raster Edge Sampling Signature

2014 Acta Polytechnica Hungarica  
Content Based Image Retrieval (CBIR) is used to effectively retrieve required images from fairly large databases.  ...  The retrieval efficiency is also evaluated by determining precision-recall values for the retrieval results.  ...  Identifying a suitable feature set that would ensure retrieval efficiency has been a challenge in Content Based Image Retrieval. Rotation and Scale invariance too have not been addressed effectively.  ... 
doi:10.12700/aph.11.03.2014.03.2 fatcat:mbqb7xkb6fdafhloqyvjxeqen4

Shape measures for content based image retrieval: A comparison

Babu M. Mehtre, Mohan S. Kankanhalli, Wing Foon Lee
1997 Information Processing & Management  
In this paper, we discuss effectiveness of several shape measures for content based similarity retrieval of images.  ...  We have tested all of the above shape features for image retrieval on a database of 500 trademark images.  ...  We also thank the reviewers for the encouragement and their perceptive comments which have improved the quality of the paper.  ... 
doi:10.1016/s0306-4573(96)00069-6 fatcat:twamw3lk7feobctd57np47mt7i

A Survey on Feature Extraction Techniques for Shape based Object Recognition

Mitisha Narottambhai, Purvi Tandel
2016 International Journal of Computer Applications  
Some of those feature extraction techniques, with their invariance properties are discussed here for the image retrieval system.  ...  So, feature extraction techniques are one of the important part of the image retrieval systems.  ...  The distribution of edges is useful for image to image matching. But this descriptor is not effective for the rotation invariance.  ... 
doi:10.5120/ijca2016908782 fatcat:px4da5ytpvcpdi3yh6ik6l4cey

Affine invariant compact centroid distance shape descriptor for image retrieval

P. Arjun, T. T. Mirnalinee
2015 Applied Mathematical Sciences  
Simple and fast feature extraction methods are in need today for Content Based Image Retrieval (CBIR) and object recognition applications.  ...  The experiments are conducted in MPEG-7 CE Shape-1 Part-B dataset images to test affine invariance property and image retrieval accuracy.  ...  The CCD descriptor for shape retrieval In this work an efficient shape descriptor is proposed for image retrieval task.  ... 
doi:10.12988/ams.2015.53214 fatcat:zxbauihguzdwbbiklbeuoueznm

Query-by-Sketch Image Retrieval Using Edge Relation Histogram

Yoshiki KUMAGAI, Gosuke OHASHI
2013 IEICE transactions on information and systems  
There has recently been much research on content-based image retrieval (CBIR) that uses image features including color, shape, and texture.  ...  Experimental results showed that it was an effective means of retrieving images. key words: image retrieval, feature extraction, edge image, sketch image  ...  The edge-based features of shape and texture are very useful in this type of retrieval.  ... 
doi:10.1587/transinf.e96.d.340 fatcat:fzsupgsjrzhcvmobse74xdfmt4

An Image Retrieval Method Based on Hu Invariant Moment and Improved Annular Histogram

F. Xiang, H. Yong, S. Dandan, Z. Jiexian
2014 Elektronika ir Elektrotechnika  
Experiment results show that the proposed method can improve the image retrieval precision effectively. Index Terms-Image retrieval, Hu invariant moment, annular histogram, shape information.  ...  1 Abstract-Image retrieval methods based on annular histogram of feature points are calculation efficient, invariant to image rotation and translation transform.  ...  For the reason that the methods based on feature points cannot describe the shape information of object. Hu invariant moments of edge are used to describe the shape feature in the next step.  ... 
doi:10.5755/j01.eee.20.4.6888 fatcat:hsvs3kmk5jg6dptzhm2skphmo4

Color and Shape Index for Region-Based Image Retrieval [chapter]

B.G. Prasad, S.K. Gupta, K.K. Biswas
2001 Lecture Notes in Computer Science  
Most CBIR systems use low-level visual features for representation and retrieval of images.  ...  This paper focuses on a low-dimensional color and shape based indexing technique for achieving efficient and effective retrieval performance.  ...  Our shape indexing feature and similarity measure is different and shown to be effective in retrieval.  ... 
doi:10.1007/3-540-45129-3_66 fatcat:gjnkh5houvfvjeoe6gerxx6e2m

A New Algorithm for Trademark Image Retrieval Based on Sub-block of Polar Coordinates [chapter]

Bei-ji Zou, Yi Yao, Ling Zhang
2007 Lecture Notes in Computer Science  
The sub-block-based image retrieval method utilizes global and local image features to retrieve trademarks through separating individual an images into some blocks.  ...  This paper proposes a sub-block-based trademark image retrieval algorithm under the polar coordinate system.  ...  Therefore, in this paper only shape feature is utilized for data retrieval. After pretreatment, a binary trademark image can be obtained.  ... 
doi:10.1007/978-3-540-74873-1_12 fatcat:3grxsnbikbdf7es564eealirie

Comparison of the effectiveness of alternative feature sets in shape retrieval of multicomponent images

John P. Eakins, Jonathan D. Edwards, K. Jonathan Riley, Paul L. Rosin, Minerva M. Yeung, Chung-Sheng Li, Rainer W. Lienhart
2001 Storage and Retrieval for Media Databases 2001  
Many different kinds of feature have been used as the basis for shape retrieval from image databases.  ...  for effective shape retrieval in multi-component image collections such as trademark registries.  ...  ACKNOWLEDGEMENTS The financial assistance of Resource (formerly the UK Library and Information Commission) and the UK Patent Office for part of this project is gratefully acknowledged.  ... 
doi:10.1117/12.410929 dblp:conf/spieSR/EakinsERR01 fatcat:erqoer4mu5avxif22bolidrsba

Descriptor Trends in Texture Classification for Material Recognition

Hayder Ayad, Mohammed Hasan Abdulameer, Loay E. George, Nidaa F. Hassan
2015 Research Journal of Applied Sciences Engineering and Technology  
Recent rapid growth in the demand for technology and image investigation in many applications, such as image retrieval systems and Visual Object Categorization (VOC), effective management of these applications  ...  Content-based image retrieval is considered an extremely challenging issue and has remained an open research area.  ...  Combination feature: Content-based image retrieval is still an open area for research for the purpose of finding several techniques to perform the CBIR and to increase its performance.  ... 
doi:10.19026/rjaset.10.1878 fatcat:t5otsiofs5ee7b2whaofus6gu4

Three feature functions based on Radon transform for image retrieval and object recognition

Ziping Ma, Baosheng Kang, Bin Xiao, Jinlin Ma
2013 Journal of Software  
In this paper we propose a novel approach called three feature functions based on Radon transform directly.  ...  The corresponding features are defined as the symmetry of the shape, the width of contour, the fullness of the shape.  ...  The feature descriptor extracting with proposed moments can describe effectively the shapes and invariant to rotation.  ... 
doi:10.4304/jsw.8.2.397-403 fatcat:hhv6iydemjaxjpcuqym5huut3m

A Comparative Evaluation of Feature Extraction and Similarity Measurement Methods for Content-based Image Retrieval

S.M. Mohidul Islam, Computer Science and Engineering Discipline, Khulna University, Khulna, Bangladesh, Rameswar Debnath
2020 International Journal of Image Graphics and Signal Processing  
Content-based image retrieval is the popular approach for image data searching because in this case, the searching process analyses the actual contents of the image rather than the metadata associated  ...  Our research objective is to find out the most effective feature extraction method(s) and similarity measurement method(s) in case of content based image retrieval, which will help the future researchers  ...  To find the Image invariant moment based shape feature, we calculate the Hu's seven invariant moments [18] for each image.  ... 
doi:10.5815/ijigsp.2020.06.03 fatcat:kvzvv7epnrax5o6rwxk2yileiy
« Previous Showing results 1 — 15 out of 46,984 results