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Segmentation of medical images in the half-byte data format

Czapla Z.

Journal of Medical Informatics & Technologies

2010

Vol. 16

179--185

The paper presents a method of image segmentation applying the half–byte data format. The half–byte data format is an image representation that consists of two types of image pixel values, pixel base values and calculated pixel difference values. Original image pixel value is obtained by joining pixel difference value and corresponding base pixel value. The layout of base pixels value is in accordance with detected regions. Segmentation based on the half–byte image date format uses simply algorithm and is attractive computationally. The paper presents also results of segmentation medical test images converted into the half–byte data format.

The half-byte descriptor for image data units

Czapla Z.

Journal of Medical Informatics & Technologies

2007

Vol. 11

115--121

The paper presents proposal for image data unit description using a half-byte format. It was implemented for medical images description. The introduced definitions express pixel values using differences between pixels and the introduced base value. This way the image recorded at half-byte format can be simply compressed by an appropriate compression, methods more effectively. The half-byte format is suitable for so called "natural" images with textures that are usually compressed with not satisfying results. For the given method illustration some example results were introduced.