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Shedbalkar et al., 2021 - Google Patents

A comparative analysis of filters for noise reduction and smoothening of brain MRI images

Shedbalkar et al., 2021

Document ID
2625489703163641023
Author
Shedbalkar J
Prabhushetty K
Inchalc A
Publication year
Publication venue
2021 6th International Conference for Convergence in Technology (I2CT)

External Links

Snippet

Image pre-processing is used to improve the quality of image by removing irrelevant and unwanted parts of the image such as noise. Medical images generally suffer from noise, and this noisy effect is due to the inherent properties of the medical devices such as magnetic …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

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    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20172—Image enhancement details
    • G06T2207/20182—Noise reduction or smoothing in the temporal domain; Spatio-temporal filtering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20048—Transform domain processing
    • G06T2207/20056—Discrete and fast Fourier transform, [DFT, FFT]
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    • G06T5/002—Denoising; Smoothing
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    • G06T2207/20064—Wavelet transform [DWT]
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    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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    • G06T5/001—Image restoration
    • G06T5/003—Deblurring; Sharpening
    • G06T5/004—Unsharp masking
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    • G06T2207/30004—Biomedical image processing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
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    • G06T2207/00—Indexing scheme for image analysis or image enhancement
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    • G06T2207/10024—Color image
    • G—PHYSICS
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    • G06T5/007—Dynamic range modification
    • G06T5/008—Local, e.g. shadow enhancement
    • G—PHYSICS
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    • G06K—RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
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    • G06K9/46—Extraction of features or characteristics of the image
    • G06K9/52—Extraction of features or characteristics of the image by deriving mathematical or geometrical properties from the whole image
    • G06K9/527—Scale-space domain transformation, e.g. with wavelet analysis
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