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In this book, the optical properties of chalcogenide photonic crystals were discussed using PWEM, TMM approaches. The studied is further extended to analysis the fundamental approaches to study the transmission, reflection and band structure. The defect structure has been discussed in 1-D and 2-D PC structures to study the effect of various parameters on optical transmission. Then, the various potential application of photonic crystal discussed as optical cavity, optical waveguides, optical filters, optical band, optical splitter, directional coupler, demultiplexer and so on. At last, the...

Applications, which need to store large database and/or transmit digital images requiring high bit-rates over channels with limited bandwidth, have demanded improved image compression techniques.. Encoding an image into fewer bits is useful in reducing the storage requirements in image archival systems, or in decreasing the bandwidth for image transmission. In standard image compression methods (e.g. JPEG), as the bits per pixel reduces, the picture quality deteriorates because of the use of bigger quantization step size. In this work, image compression techniques are designed keeping in mind...

This edited book provides a comprehensive account of the new developments in various facets of fungal biology related to the impact and application of fungi on the sustainable economy. The book consists of 24 chapters distributed under five sections written by active researchers and academicians from India and abroad. The five sections of the book are- 1. Fungi in Sustainable Economy, 2. Fungal Resources: Current and Potential Industrial Applications, 3. Fungal Resources: Current and Potential Agricultural Applications, 4. Fungi and their Secondary metabolites: Implications and 5. Fungi:...