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Directional difference filter (DDF) is a nonlinear filter for reducing impulse noise. It does not employ order statistics unlike median filter and can reduce impulse noise effectively. However, it has some parameters and we need to set them appropriately based on empirical control. So far, there are few studies to evaluate the appropriateness of the parameter setting of DDF. Parameter setting problem...
In this paper, we propose a neural network with a mental rotation function composed of two, rotation and comparison functions, and discuss its feasibility. The proposed network will output its result of judgment concerning their coincidence or non-coincidence, when two figures are input. If they coincide, the network will output the angle of difference between the two figures. The training for learning...
Diabetic-retinopathy contributes to serious health problem in many parts of the world. With the motivation of the needs of the medical community system for early screening of diabetics and other diseases a computer aided diagnosis system is proposed. This work is aimed to develop an automated system to analyze the retinal images for important features of diabetic retinopathy using image processing...
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