Multiprocessor computing for images

Article Abstract:

The advent of parallel processing, multiprocessor architectures for image processing requires new computational models and the addressing of such problems as virtual and physical implementation, programming and software, and suitable parallel languages to optimize processing performance. Various multiprocessor topologies can facilitate the subdivision of an image into successively smaller components to generate a quadtree structure, as exemplified by the use of a multiresolution, pyramid, and multiresolution-on-flat-array architectures. Multiprocessor programming for image processing requires addressing parallelization, granularity, task tailoring, speed-up strategies, and high level parallel languages. The generational history of image processing machines is also described.

Processor architectures, Systems analysis, Algorithms, Image processing, Algorithm, Systems development, Parallel processing, Multiprocessing, Computer Systems, System Development, System Design, Processor Architecture, Programming Instruction, technical

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Integrated optic approach for advanced semiconductor lasers

Article Abstract:

Recent progress in development of advanced semiconductor lasers is reviewed. Focus is on potential for monolithic integration of semiconductor lasers and other optical components and devices. Dynamic-single-mode (DSM) lasers are seen to be promising light sources for future photonic integrated circuits (PICs) and optoelectronic integrated circuits (OEICs). Wavelength-tunable semiconductor lasers, an offshoot of DSM lasers, are seen as key devices in PICs-OEICs for optical measurements and optical communications. A variety of potential applications are discussed.

Semiconductors and related devices, Semiconductor industry, Lasers, Optoelectronic devices, Laser

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