On the Importance of Low-Frequency Signals in Functional and Molecular Photoacoustic Computed Tomography.
Tri VuPaul KlippelAidan J. CanningChenshuo MaHuijuan ZhangLudmila A. KasatkinaYuqi TangJun XiaVladislav V. VerkhushaTuan Vo-DinhYun JingJunjie YaoPublished in: IEEE Trans. Medical Imaging (2024)
Keyphrases
- low frequency
- computed tomography
- high frequency
- three dimensional
- ct images
- image reconstruction
- medical images
- medical imaging
- ct scans
- frequency domain
- wavelet transform
- ct data
- computed tomography scans
- subband
- discrete wavelet transform
- frequency band
- low and high frequency
- visual quality
- high resolution
- signal processing
- wavelet coefficients
- x ray
- original images
- fourier transform
- super resolution
- magnetic resonance imaging
- optical flow
- high quality