Abstract
With the development of data based technology, data transmission methods for ubiquitous computing and communication systems are more and more needed. There are various kinds of data processing techniques such as compression or coding to improve the transmission efficiency for heterogeneous networks with different requirements. However, the methods for improving fault tolerance in ubiquitous communication systems are still lacked especially for the multimedia data driven applications at the execution ends. In this paper, we propose an image content recovery method for JPEG images that can recover the image content by estimating the DC coefficients without any pre-know knowledge. This method can also be used to transmit the rough image content by reducing the data amount needed to be transmitted. Thus, fault tolerance can be achieved at the receivers’ ends for ubiquitous communication systems. The result analysis with different images compared with previous works proved the effectiveness of our method.
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