The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
This paper proposes a novel method to enhance the edges of the image using intuitionistic fuzzy set theoretic approach. It uses a rank ordered filter to enhance the boundaries by calculating a total variation between the pixels in the image window and the median. If the boundaries are enhanced, then accurate edges are detected. As medical images are poorly illuminated, many important structures become...
Concerning the images of low contrast ratio, this paper presents a new defining approach for the partial contrast ratio. A new enhancement exponential function is used to measure the enhancement degree, while the fuzzy entropy is taken to weigh the partial detailed information. Given the entire contrast information, the enhancement index is determined, and then the fuzzy contrast transformation is...
This paper proposes a new fuzzy multiscale color edge detection approach using power law transformation. The proposed approach involves two stages. In the first stage, color transformation is carried out from RGB color space to HLS color space. The HLS color space posses lightness information much than the RGB color space. Hence, the second stage computes fuzzy symmetry color spread index for each...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.