Handwritten document image retrieval

... access these imaged documents effectively and efficiently, similar to retrieving text format documents produced by computer software Information retrieval for handwritten document images is more ... nowadays, imaged documents are stored as image format without complete recognition and conversion by OCR, but with adequate index for access and retrieval To achieve document image ret...

Ngày tải lên: 09/09/2015, 11:07

... approach from the Tobacco-800 document image database [1, 16] Matching and Retrieval 4.1 Overview Given a query logo instance and a database of detected logos, our goal of logo matching is to compute ... underlying transformations (affine for linear and TPS for non-linear transformation), which improves shape matching and discrimination Shape contexts method gives the best...

Ngày tải lên: 31/12/2014, 06:07

... network and HMM,” in 5th IEEE International Conference on Cognitive Informatics, 2006, pp 73–78 [9] W Wang, Y Yu, and S Jiang, Image retrieval by emotional semantics: a study of emotional space and ... performance analysis is more complex We tested the system against many factors: various query images, image databases, learning sets and finally we evaluated difference in performance given...

Ngày tải lên: 28/04/2014, 10:00

... Section A COLOR IMAGE DESCRIPTOR: A STATISTICAL SIGNATURE In order to retrieve visually similar images to a query image using color information, a proper color descriptor for the images should ... the directed HD between two point sets 3.2 Perceptually modified Hausdorff distance In this paper, we propose a novel dissimilarity, called perceptually modified Hausdorff distance (PMH...

Ngày tải lên: 22/06/2014, 00:20

... Section A COLOR IMAGE DESCRIPTOR: A STATISTICAL SIGNATURE In order to retrieve visually similar images to a query image using color information, a proper color descriptor for the images should ... the directed HD between two point sets 3.2 Perceptually modified Hausdorff distance In this paper, we propose a novel dissimilarity, called perceptually modified Hausdorff distance (PMH...

Ngày tải lên: 22/06/2014, 06:20

... cascaded combination They aimed at combining the output of five different expert classifiers trained using three different low-level features In the system introduced in [12], several low-level image primitives ... be contained in a single object and large enough to convey information about the underlying semantic object The proposed framework for object-based semantic imag...

Ngày tải lên: 22/06/2014, 06:20

... V Lavrenko, and R Manmatha, “Automatic image annotation and retrieval using cross-media relevance models,” in Proceedings of the 26th Annual International ACM SIGIR Conference on Research and ... photo images All images can be partitioned into over 70 000 regions with two scales of image segmentation These images contain a wide range of contents, such as landscapes, animals, plants, a...

Ngày tải lên: 22/06/2014, 19:20

... or 30◦ according to the room dimensions The first database contains 240 images and the second 586 images The size of A Chaari et al Offline phase Database indexing Index databases Image databases ... view) 2.2 Image retrieval systems Content- based image retrieval (CBIR) systems have been essentially developed because the digitalised images databases are increasingly bulky These ima...

Ngày tải lên: 22/06/2014, 19:20

... Zaji´ , I Reljin, c c c and B Reljin, “An image retrieval system with user’s relevance feedback,” in Proceedings of the 7th International Workshop on Image Analysis for Multimedia Interactive Services ... taken into account in our CBIR system with a feature vector reduction 3.2 Feature vector reduction In our CBIR system, we started with 556 components describin...

Ngày tải lên: 22/06/2014, 20:20

... images they are searching for Clustering techniques can be used to organize visually similar images into groups and minimize the number of undesired images shown to the user (ii) Navigation with ... Atlantic University His research interests and publications have been focused on image processing, analysis, annotation, search, and retrieval; human and computer vision; video pr...

Ngày tải lên: 22/06/2014, 23:20

... similar histograms can have dramatically different appearance The inaccuracy raised in the color histogram approach is caused by the total loss of spatial information of pixels in the images To attempt ... different images A Robust Color Object Analysis Approach to Image Retrieval 879 Figure 3: Sample images in the testing database The images in each column are assigned t...

Ngày tải lên: 23/06/2014, 01:20

... times, each time using a different and randomly selected key image belonging to the desired class Comparison (Figures 11 and 12) reveals Region-Based Image Retrieval Using an Object Ontology 897 (a) ... rose and (b) red car; and dual -object queries (c) brown horse and grass and (d) bald eagle and blue sky, after the second round of relevance feedback that ev...

Ngày tải lên: 23/06/2014, 01:20

... and document image super-resolution [11] In this thesis, we focus on three aspects of the document enhancement techniques: document image binarization, web image enhancement and document image ... ways of image distortion could lead to the same degraded document image This thesis focuses on three aspects of the document enhancement techniques including document...

Ngày tải lên: 09/09/2015, 10:06

... further boost the attribute- based image retrieval by exploiting the hierarchy We present a novel Attribute- augmented Semantic Hierarchy (A2 SH) that further bridges the semantic and intention gaps ... devices; and they would like to use the images they snapped as queries to immediately search for relevant images This demands the development of another retrieva...

Ngày tải lên: 10/09/2015, 09:08