A Novel and High Performance Data Compression System for Ship-to-Shore Communications

We propose a novel and high performance compression system that can meet all of the Navy's requirements. We filed an invention disclosure for our system. A patent will be filed soon. First, for non-image data such as 1-D time series data (sensor health, thermal, kinematic), we first propose to apply some preprocessing routines to convert the time series data into a 2-D format so that more efficient lossless compression can be achieved later. Second, we propose to jointly compress the same types of sensor data. This idea was motivated by data compression in sensor networks where the sensor data are correlated. We have applied the above scheme to wind tunnel data compression and observed very good compression performance. Actually, our algorithms outperformed all the existing commercial products in lossless compression. Third, for 2-D images/videos, we propose to directly apply X265, which is applicable to both images and videos. For text data, we propose to apply 7z and for voice data, we propose to apply Opus, which is a freeware that has been widely used in the market. Finally, since RF channel is unreliable and there is transmission errors, we propose to apply novel algorithms at the receiving end to recover corrupted data.