Walsh Transform-based Image Compression for Less Memory Usage and High Speed Transfer
Publish place: majlesi Journal of Electrical Engineering، Vol: 18، Issue: 1
Publish Year: 1403
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_MJEE-18-1_012
تاریخ نمایه سازی: 9 اردیبهشت 1403
Abstract:
The rising use of digital imaging applications has recently boosted the demand for different image compressing algorithms. Picture compression is used to reduce unnecessary information from an image. We can store the vital information of a picture via image compression, reducing storage space, time, and transmission bandwidth. Although the results of lossy compression reconstruction are not similar to the original image the compression technique is essential to save a large amount of memory and increase the speed of transmission, especially when dealing with images. In this research a database of different five images were considered namely; woman, car, Lenna, peppers, and house with sizes of ۳۳, ۴۷, ۴۰, ۴۴, and ۵۱ Kb respectively. The compression was fulfilled by Walsh transform with four compression ratios ۵%, ۱۰%, ۱۵%, and ۲۰%. The Walsh transform performed well and gave the highest average PSNR of ۲۹.۱۹۰۴ during a ۱۰% of compression ratio.
Keywords:
Walsh Hadamard transform (WHT) , Image compression , Peak signal-to-noise ratio (PSNR) , Mean square error (MSE) , Database Image
Authors
Aqeel Breesam
Institute of Medical Technology/ Baghdad, Middle Technical University, Baghdad, Iraq.
ali zalzala
Department of Electronics and communication Engineering, Uruk University, Baghdad, Iraq.
esraa najjar
Computer Science Department, General Directorate of Education in Najaf Governorate, Al-Najaf, Iraq.
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