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In t h e case of a marine casualty occurs, the detection of the rescue target such as life rafts depends on the visual search by man as yet. However, human eyes sometimes lose its sight owing to a long flight and wide views. In order to carry out the prompt rescue of human life, development of t h e searching system in place of t h e human eyes is surely required. This paper deals with a new search method for detection of the rescue target using image processing techniques. To detect t h e small target in t h e wide views over t h e sea, we have proposed a new method including t h e image processing techniques based on t h e color information and t h e c o m p o s i t e image sensor which increases about t h emeasurement accuracy and the image processing speed at actual field. A t t h e first step of t h e study, we attempt ta extract the image data o f t h e rescue target with t h e orange color i n an experimental sea.

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Abstract-In a current study of environmental information, it is important to detect the particular object from environmental h a g s under various conditions for security such as navigation system of ships. bird-watching for the prevention of various damages, invaders check and human rescue in the marine casualty. This paper deals with the image processing techniques for the detection of the rescue target as a particular object from environmental images When a marine casually occurs, the detection of the rescue target such as life rafb depends on the visual search of human eyes. It is p d i e d , however, that human eyes sometimes loses ifs sight and the ability of the detection faUs down owing to the long tlight and a nasty weather. For a practical purpose of the prompt rescue of human Li fe, the development of the searching support system in place of human eyes is surely required. To realize a new type searching system for the detection of the rescue target, the development of new type image processing techniques in real time manner i s undoubtedly important. At the Slst step o f our study, we attempt to develop image processing techniques, in order to detect accurately the rescue target under various conditions.

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