Contrast Enhancement of 76.5 GHz-Band Millimeter-Wave Images Using Near-Field Scattering for Non-Destructive Detection of Concrete Surface Cracks.
Akihiko HirataMakoto NakashizukaKoji SuizuYoshikazu SudoPublished in: IEICE Trans. Electron. (2020)
Keyphrases
- contrast enhancement
- millimeter wave
- imaging process
- image enhancement
- histogram equalization
- radar images
- three dimensional
- gray level
- low pass
- transfer function
- image analysis
- visual quality
- multiscale
- edge detection
- image data
- low contrast
- sar imagery
- color images
- input image
- image classification
- lighting conditions
- d objects
- image features
- image retrieval
- dynamic range compression
- image quality
- object recognition
- automatic target recognition
- satellite images
- computer graphics