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The major challenges facing digital radiological systems notably: teleradiology and picture archiving and communication systems (PACS) are not unconnected to: limited storage space and bandwidth requirements for storage, transmission, retrieval and archiving of digital medical images. Lossless compression techniques have been adopted by the medical community to help solve these problems as it does not degrades the quality of the medical image which is crucial for diagnosis while reducing the size (often in ratio 2:1) of the original image. However, little attention has been paid to knowing the performance of a choice compression scheme on the medical image format type for efficient handling in the digital radiology system. Hence, this work presents an evaluation of the performance of a lossless wavelet compression scheme on samples of computed tomography (CT) images of the brain in JPEG, PNG, BMP and TIFF formats.

On the Performance of Lossless Wavelet Compression Scheme on Digital Medical Images in JPEG, PNG, BMP and TIFF Formats