An 81.5dB-DR 1.25MHz-BW VCO-Based CT ΔΣ ADC with Double-PFD Quantizer.
Yi ZhongXiyuan TangJiaxin LiuWenda ZhaoShaolan LiNan SunPublished in: CICC (2021)
Keyphrases
- coding scheme
- vector quantization
- computed tomography
- x ray
- ct images
- medical images
- high speed
- ct scans
- step size
- quantization error
- three dimensional
- computerized tomography
- image compression
- vector quantizer
- quadtree
- ct data
- high frequency
- computer tomography
- distortion measure
- color quantization
- noise shaping
- x ray images
- image processing
- signal to noise ratio
- medical imaging
- deformable registration
- image reconstruction
- super resolution
- multiscale
- quantization scheme
- entropy constrained
- head images
- database