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A novel two-stage algorithm for constructing the orthogonal concavity tree (OCT) of a digital object is proposed. In Stage I, it derives the minimum-area orthogonal cover of the object. In Stage II, it constructs the orthogonal hull from the ortho-cover, and while doing so, extracts the orthogonal concavities in an iterative manner. Nested concavities, if any, are obtained by considering each concavity...
A novel approach towards word segmentation and baseline detection in a handwritten document is proposed. It is based on certain structural properties of isothetic covers tightly enclosing the words in a handwritten document. For an appropriate grid size, the isothetic covers successfully segregates the words so that each cover corresponds to a particular word. By analyzing the horizontal chords of...
In his seminal paper published in 2002, Passino pointed out how individual and groups of bacteria forage for nutrients and how to model it as a distributed optimization process, which he called the bacterial foraging optimization algorithm (BFOA). One of the major driving forces of BFOA is the chemotactic movement of a virtual bacterium that models a trial solution of the optimization problem. This...
Some researchers have illustrated how individual and groups of bacteria forage for nutrients and to model it as a distributed optimization process, which is called the bacterial foraging optimization (BFOA). One of the major driving forces of BFOA is the chemotactic movement of a virtual bacterium, which models a trial solution of the optimization problem. In this article, we analyze the chemotactic...
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