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With rapid development of various multimedia technologies, ample amount of multimedia data are generated and transmitted for different usage incliding commercial, medical, military etc, and if they are not well protected, the data may be accessed by opponents or unauthorized users. Thus, security and privacy protection of the important messages have become important issues, and a number of techniques...
The enormous size of video data of natural scene and objects is a practical threat to storage, transmission. The efficient handling of video data essentially requires compression for economic utilization of storage space, access time and the available network bandwidth of the public channel. In addition, the protection of important video is of utmost importance so as to save it from malicious intervention,...
The study of swell wave refraction phenomena using synthetic aperture radar (SAR) data has been found to be very useful in estimating the underwater topography (seabed structure). Near-shore water regions generate a wide range of surface signatures due to rapidly changing underwater depths, which cause waves to refract and finally align parallel to the shoreline. Another significant change, which...
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