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An Efficient Lossless Medical Image Compression (Paperback): Manpreet Kaur Saini, Ravinder Singh Mann, Gurpreet Singh An Efficient Lossless Medical Image Compression (Paperback)
Manpreet Kaur Saini, Ravinder Singh Mann, Gurpreet Singh
R1,060 Discovery Miles 10 600 Ships in 10 - 15 working days

Compression methods are being rapidly developed to compress large data files such as images, where data compression in multimedia applications has lately become more vital .With the increasing growth of technology and the entrance into the digital age, a vast amount of image data must be handled to be stored in a proper way using efficient methods usually succeed in compressing images, while retaining high image quality and marginal reduction in image size .Wavelets are a mathematical tool for hierarchically decomposing functions. Image compression using Wavelet Transforms is a powerful method that is preferred by scientists to get the compressed images at higher compression ratios with higher PSNR values.

Bt Cotton expressing two insecticidal protein (Paperback): Manpreet Kaur Saini, Ashok Dhawan Bt Cotton expressing two insecticidal protein (Paperback)
Manpreet Kaur Saini, Ashok Dhawan
R1,777 Discovery Miles 17 770 Ships in 10 - 15 working days

Cotton is an important commercial crop in India and plays a key role in national economy.For the past two decades, the national average of 440 kg/ha has not increased when compared to world average of 682 kg/ha. About 134 species of arthropods were found to be associated with the cotton crop in Punjab, of which bollworms cause serious damage. Among the bollworms, Helicoverpa armigera is a very serious polyphagous pest.Biological, cultural and chemical methods have been used to attempt its control.The extensive and indiscriminate use of conventional insecticides as well as synthetic pyrethroids against H. armigera has resulted in development of resistance to various insecticides.A novel method of controlling this pest is use of Bt cry toxin from a soil bacterium, Bacillus thuringiensis (Bt).Since its release has been able to reduce the use of chemical insecticide, thereby lowering the risks pertaining to environmental hazards, human health and production costs.The insertion of an additional Bt gene encoding for a different toxin (Cry2Ab) into current Bt cotton cultivars containing cry1Ac gene may provide additional activity on lepidopteran pests and would improve pest control val

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