Abstract: Document image compression is used for the speedy transmission of the data over the web. This paper deals with effective compression scheme for handwritten gray level documents in Devnagri script. The current OCR technology is not effective for handling the handwritten textual images. The proposed compression scheme is based on the separation of foreground and background of the image. Experiments have been done for the handwritten textual images. These document images are written in Devnagri (Hindi and Marathi). The results of the some modules progress towards achieving the good compression ratio are presented. Compression scheme are available for printed textual images in Indian language. But for handwritten text images very little work is reported. Thus the compression for handwritten text in the context of Indian language is important

• Publication Date: 12-Mar-2012
• DOI: 10.15224/978-981-07-1847-3-689
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Abstract: Short circuit (S.C.) generator is very much different from the conventional generators used in power generating stations. Driving S.C. generator and extracting power from it is indeed a specialized job. Power drawn from S.C. generators during test is much high in magnitude hence it has to be taken care that the supply grid should not to be loaded during the period of short circuit. Normally generators are driven with different kinds of prime mover. With the advent of the solid state devices it became possible to run a generator even without a prime mover. This paper describes the control techniques used during different Test Sequences for a 1500 MVA, 12.5 kV, 3000 rpm, 50 Hz S.C. Generator. These techniques are verified practically on actual test equipments and supported with the resultant waveforms. This generator is functional at Bhopal unit of Central Power Research Institute.

• Publication Date: 12-Mar-2012
• DOI: 10.15224/978-981-07-1847-3-692
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