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Although many three-dimensional (3D) medical imaging visualization methods exist, 3D volume slicing remains the most commonly used technique for visualizing medical data from modalities such as CT, MRI, and PET. We propose to extend the possibilities of oblique slicing to developable curved...
A new pipelined architecture for colonoscopic image segmentation based on Otsu thresholding and fuzzy region growing techniques has been proposed in this paper. The computed center of mass and the segmented colon lumen of interest are used to guide the colonoscope to maneuver smoothly in the...
This paper describes a database collecting natural color images, called the Natural Image Database, and shows how it is used for illuminant estimation problems. First, we present significant features of the database. This database is not only a collection of color images of natural scenes, but...
This paper presents a data model for images immersed in the world wide web and that derive their meaning from visual similarity, from the connection with the text of the pages that contain them, and from the link structure of the web. I will model images on the web as a graph whose nodes are...
We propose a new and fast full search (FS) motion estimation algorithm to reduce the amount of computation of the FS algorithm. Computational reduction of our FS motion estimation algorithm comes from fast elimination of unlikely motion vectors. We obtain faster elimination of inappropriate...
In this paper, we propose color design criteria for uniform color textures, and present a new colorant-based color halftoning technique which meets these criteria, and hence generates high quality color halftones. The basic idea behind our halftoning method is to control the quality of each...
This Special Section Guest Editorial provides an overview of the topical area and an introduction to the articles featured in the special section.
Efficient edge operators such as those based on partial derivatives fail to return continuous edge maps. To address this, a supplementary edge linking step is required to complete initial edge information. In this paper we propose a fast and efficient algorithm for edge linking using local...
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