Speckle Reduction for Long Distance Fourier Ptychography Using Truncated Amplitude Flow and Filtering.
Zhixin LiDesheng WenZongxi SongPublished in: ICCAIS (2018)
Keyphrases
- long distance
- speckle reduction
- ultrasound images
- median filter
- speckle noise
- mutual exclusion
- anisotropic diffusion
- edge preserving
- medical ultrasound
- speckle reducing anisotropic diffusion
- structure preserving
- denoising
- frequency domain
- contrast enhancement
- sar images
- flow field
- image enhancement
- gray level
- edge detection
- translation invariant
- noise reduction
- nonlocal means
- optical flow