Frequency adaptive learning SOFM for grayscale image compression

• Main Author: Tan, Chiang Poo.
• Other Authors: Chang, Chip Hong
• Format: Theses and Dissertations
• Published: 2008
• Subjects: DRNTU::Engineering::Electrical and electronic engineering::Electronic systems::Signal processing
• Online Access: http://hdl.handle.net/10356/3336
• Institution: Nanyang Technological University

A new learning algorithm is proposed where the learning constant is based on the localized winning frequency of each individual neuron. Blocks of sub-image are fed in a butterfly-jumping sequence during the training process. Untrained neurons are also re-initialized.