Spectral Spatial Variation
2019
Automatic carcinoma detection from hyper/multi
spectral imagesis of essential importance due to the fact that these images cannot be presented directly to the clinician. However,
standard approachesfor carcinoma detection use hundreds or
eventhousands of features. This would cost a high amount of RAM (random access memory) for a pixel wise analysis and would slow down the classification or make it
evenimpossible on standard PCs. To overcome this, strong features are required. We propose that the spectral-spatial-variation (SSV) is one of these strong features. SSV is the
residuumof the three dimensional hyper spectral
data cubeminus its approximation with a fitting in a small volume of the 3D image. By using it, the classification results of carcinoma detection in the stomach with multi
spectral imagingwill be increase significantly compared to not using the SSV. In some cases, the AUC can be
evenas high as by the usage of 72 spatial features.
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