W. Kurdthongmee

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Parts of a self-organizing map (SOM)-based quantizer can be performed in parallel, i.e., distance calculation between an input pixel and a group of codewords or processing elements (PEs), and updating codewords. To search for the best matching unit (BMU) whose distance is the minimum, all distances are inevitably required to compare with each other. It is(More)
Many techniques have been proposed to quantize a digital colour image in order to reduce the representative number of colours to be suitable for presenting on different types of display screens. In addition, the techniques have been used to significantly reduce the amount of image data required to transfer over a communication network. Most of the published(More)