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The fuzzy set theory is applied to the Signal Detection Theory to develop a new approach called the Fuzzy Signal Detection Theory (FSDT). First, linguistic variables are provided for the observer to describe his belief about the presence of a signal. Then, based on the assumptions that the judgment criterion (X c ) and sensitivity (d ) are both fuzzy, we use fuzzy integration to derive...
This paper introduces a new image thresholding method based on minimizing the measures of fuzziness of an input image. The membership function in the thresholding method is used to denote the characteristic relationship between a pixel and its belonging region (the object or the background). In addition, based on the measure of fuzziness, a fuzzy range is defined to find the adequate threshold value...
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