A combined approach for noise reduction in medical images using Dual Tree Discrete Wavelet Transform and Rotated Dual Tree Discrete Wavelet Transform

Author

Thakur, Kirti ; Ambhore, Pramod ; Kadam, Jitendra ; Sapkal, Ashok

Author_Institution

Dept. of Electron. & Telecommun. Eng, Coll. of Eng., Pune, India

fYear

2015

fDate

28-30 May 2015

Firstpage

1003

Lastpage

1007

Abstract

Medical imaging suffers from image noise. To remove this noise spatial domain and transform domain techniques are used. But spatial domain techniques have limitation of edge blurring w.r.t transform based techniques. Therefore in this paper we have proposed a transform based denoising technique. We have used Dual tree DWT and Rotated version of Dual Tree DWT jointly to improve our denoising results. Our main focus is to get more directional information from this transform which will improve denoising results. We have compared our results with existing methods and results are very encouraging. PSNR is used as image quality measure.

Keywords

discrete wavelet transforms; image denoising; image restoration; medical image processing; trees (mathematics); directional information; dual tree DWT; edge blurring w.r.t transform based technique; image noise; image quality measure; medical images; medical imaging; noise reduction; noise spatial domain; rotated dual tree discrete wavelet transform; spatial domain technique; transform based denoising technique; transform domain technique; Biomedical imaging; Conferences; Discrete wavelet transforms; Image edge detection; Mathematical model; Rotation measurement; Dual tree DWT; Medical images; PSNR; Rotated Dual Tree DWT; noise;

fLanguage

English

Publisher

ieee

Conference_Titel

Industrial Instrumentation and Control (ICIC), 2015 International Conference on

Conference_Location

Pune

Type

conf

DOI

10.1109/IIC.2015.7150892

Filename

7150892