Segmentation using Codebook Index Statistics for Vector Quantized Images
Journal Title: International Journal of Advanced Computer Science & Applications - Year 2016, Vol 7, Issue 12
Abstract
In this paper, the segmentation using codebook index statistics (SUCIS) method is proposed for vector-quantized images. Three different codebooks are constructed according to the statistical characteristics (mean, variance, and gradient) of the codewords. Then they are employed to generate three different index images, which can be used to analyze the image contents including the homogeneous, edge, and texture blocks. An adaptive thresholding method is proposed to assign all image blocks in the compressed image to several disjoint regions with different characteristics. In order to make the segmentation result more accurate, two post-processing methods: the region merging and boundary smoothing schemes, are proposed. Finally, the pixel-wise segmentation result can be obtained by partitioning the image blocks at the single-pixel level. Experimental results demonstrate the effectiveness of the proposed SUCIS method on image segmentation, especially for the applications on object extraction.
Authors and Affiliations
Hsuan T. Chang, Jian-Tein Su
The Impact of Black-Hole Attack on ZRP Protocol
lack of infrastructure in ad hoc networks makes their deployment easier. Each node in an ad hoc network can route data using a routing protocol, which decreases the level of security. Ad hoc networks are exposed to sever...
A Robust Approach for Action Recognition Based on Spatio-Temporal Features in RGB-D Sequences
Recognizing human action is attractive research topic in computer vision since it plays an important role on the applications such as human-computer interaction, intelligent surveillance, human actions retrieval system,...
Experimental Evaluation of Security Requirements Engineering Benefits
Security Requirements Engineering (SRE) approaches are designed to improve information system security by thinking about security requirements at the beginning of the software development lifecycle. This paper is a quant...
Design and Implementation of a Communication System and Device Aimed at the Inclusion of People with Oral Communication Disabilities
Disability is part of human condition; it discriminates people who have this complication. The present work was carried out due to this and an experience in our research center. A prototype was designed and build that al...
Steoporosis Detection using Important Shape-Based Features of the Porous Trabecular Bone on the Dental X-Ray Images
Osteoporosis screening using dental X-Ray images has been growing an interesting research. Existing methods for osteoporosis screening have been performed using the dental periapical or panoramic in X-Ray images. There w...