Automatic Segmentation of scaling in 2-D psoriasis skin images using a semi supervised algorithm
Journal Title: International Journal of Modern Engineering Research (IJMER) - Year 2014, Vol 4, Issue 7
Abstract
Psoriasis is a chronic inflammatory skin disease that affects over 3% of the population. Various methods are currently used to evaluate psoriasis severity and to monitor therapeutic response. The PASI system of scoring is widely used for evaluating psoriasis severity. It employs a visual analogue scale to score the thickness, redness (erythema), and scaling of psoriasis lesions. However, PASI scores are subjective and suffer from poor inter- and intra-observer concordance. As an integral part of developing a reliable evaluation method for psoriasis, an algorithm is presented for segmenting scaling in 2-D digital images. The algorithm is believed to be the first to localize scaling directly in 2-D digital images. The scaling segmentation problem is treated as a classification and parameter estimation problem. A Markov random field (MRF) is used to smooth a pixel-wise classification from a support vector machine (SVM) that utilizes a features pace derived from image color and scaling texture. The training sets for the SVM are collected directly from the image being analyzed giving the algorithm more resilience to variations in lighting and skin type. The algorithm is shown to give reliable segmentation results when evaluated with images with different lighting conditions, skin types, and psoriasis types.
Authors and Affiliations
Puneeth G J , Girisha H
Keywords
Related Articles
- EP ID EP88797
- DOI -
- Views 73
- Downloads 0
Modelling and Simulation of High Step up Dc-Dc Converter for Micro Grid Application
Abstract: The distributed generation (DG) systems based on the renewable energy sources have rapidly developed in recent years. These DG systems are powered by micro sources such as fuel cells, photovoltaic (PV) sy...
A mechanistic study of the initial stage of the sintering of sol-gel derived silica nanoparticles
Abstract: Dried silica gel powders were prepared by acid catalyzed controlled hydrolysis followed by polycondensation of tetraethyl orthosilicate (TEOS) in 1:1 by volume water-alcohol solution. The dried powders we...
Integration of Struts & Spring & Hibernate for Enterprise Applications
The proposal of this paper is to present Spring Framework which is widely used in developing enterprise applications. Considering the current state where applications are developed using the EJB model, Spring Frame...
Effectiveness of Mnemonics on Achievement of Students in Mathematics at Highschool Level
This research is an experimental study which is intended to findout the effectiveness of mnemonics in teaching mathematics. The method adopted here is pretest post test nonequivalent group experimental de...
ortizontal Aggregation in SQL for Data Mining Analysis to Prepare Data Sets
: Preparing a data set for analysis is generally the most time consuming task in a data mining project, requiring many complex SQL queries, joining tables and aggregating columns. Existing SQL aggregations have lim...