A 0.22 ps rms Integrated Noise 15 MHz Bandwidth Fourth-Order ΔΣ Time-to-Digital Converter Using Time-Domain Error-Feedback Filter.
Wonsik YuKwangSeok KimSeongHwan ChoPublished in: IEEE J. Solid State Circuits (2015)
Keyphrases
- fourth order
- noise removal
- estimation error
- edge preservation
- noise reduction
- gaussian noise
- denoising
- smooth regions
- anisotropic diffusion
- data conversion
- image enhancement
- noise suppression
- root mean square
- high order
- error rate
- edge detection
- frequency domain
- partial differential equations
- signal to noise ratio
- diffusion equation
- noisy images
- image interpolation
- morphological filters
- impulse noise
- transfer function
- median filter
- image denoising
- noise level
- image restoration
- edge preserving
- impulsive noise
- image processing
- high frequency
- natural images
- standard deviation
- computer vision