This paper describes the development and empirical practice of the underwater panorama system at two landmark dive spots at Green Island, Taiwan. Recreational scuba diving has become popular on coral reefs. Information highlighting dive spots can assist prospective customers with selecting their dive destinations. Underwater panoramas are a new approach for presenting such tourist attractions. The system's hardware includes a tailored cylindrical housing containing a spherical digital video camera. Its panoramic images enable people to come closer to the real underwater world. Footage can be viewed using PCs, laptops, tablets, and other common digital viewing appliances. The imagery streams give visitors a spherical preview of the underwater world at a specific dive spot. In a still panoramic image, the underwater features of the dive spot are supplemented with location-based service and tourist information, thereby presenting a rapid reference to potential viewers.

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