Fast and Robust Image Upsampling by Local Adaptive Gradient Field Sharpening Transform.
Qiang SongRuiqin XiongDong LiuZhiwei XiongFeng WuWen GaoPublished in: DCC (2018)
Keyphrases
- gradient field
- vector field
- gray scale
- poisson equation
- gradient domain
- image data
- surface reconstruction
- single image
- multiscale
- image segmentation
- edge detection
- image structure
- image analysis
- reconstruction method
- image features
- input image
- high resolution
- image enhancement
- test images
- contrast enhancement
- low resolution
- image gradient
- energy function
- super resolution
- image regions
- velocity field
- noise model
- segmentation method
- structure tensor
- image editing
- gray level
- object recognition