NDLI: Building descriptive and discriminative visual codebook for large-scale image applications

Content Provider	Springer Nature Link
Author	Tian, Qi Zhang, Shiliang Zhou, Wengang Ji, Rongrong Ni, Bingbing Sebe, Nicu
Copyright Year	2010
Abstract	Inspired by the success of textual words in large-scale textual information processing, researchers are trying to extract visual words from images which function similar as textual words. Visual words are commonly generated by clustering a large amount of image local features and the cluster centers are taken as visual words. This approach is simple and scalable, but results in noisy visual words. Lots of works are reported trying to improve the descriptive and discriminative ability of visual words. This paper gives a comprehensive survey on visual vocabulary and details several state-of-the-art algorithms. A comprehensive review and summarization of the related works on visual vocabulary is first presented. Then, we introduce our recent algorithms on descriptive and discriminative visual word generation, i.e., latent visual context analysis for descriptive visual word identification [74], descriptive visual words and visual phrases generation [68], contextual visual vocabulary which combines both semantic contexts and spatial contexts [69], and visual vocabulary hierarchy optimization [18]. Additionally, we introduce two interesting post processing strategies to further improve the performance of visual vocabulary, i.e., spatial coding [73] is proposed to efficiently remove the mismatched visual words between images for more reasonable image similarity computation; user preference based visual word weighting [44] is developed to make the image similarity computed based on visual words more consistent with users’ preferences or habits.
Starting Page	441
Ending Page	477
Page Count	37
File Format	PDF
ISSN	13807501
Journal	Multimedia Tools and Applications
Volume Number	51
Issue Number	2
e-ISSN	15737721
Language	English
Publisher	Springer US
Publisher Date	2010-11-18
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Visual vocabulary Large-scale image retrieval Image search re-ranking Feature space quantization Special Purpose and Application-Based Systems Data Structures, Cryptology and Information Theory Computer Communication Networks Multimedia Information Systems
Content Type	Text
Resource Type	Article
Subject	Computer Networks and Communications Hardware and Architecture Software Media Technology

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