A Novel Illumination-Balance Technique for Improving the Quality of Degraded Text-Photo Images.
Jung-San LeeChin-Hao ChenChin-Chen ChangPublished in: IEEE Trans. Circuits Syst. Video Technol. (2009)
Keyphrases
- digital photographs
- illumination conditions
- lighting conditions
- image classification
- three dimensional
- image data
- input image
- image database
- high quality
- image analysis
- image collections
- viewing conditions
- illumination correction
- pixel intensities
- imaging conditions
- varying illumination
- white light
- text extraction
- image annotation
- image registration
- image features
- image retrieval
- textual information
- text detection
- viewing angle
- photo collections
- digital photos
- web images
- text information
- keywords
- varying illumination conditions
- image synthesis
- outdoor scenes
- complex background
- image search
- digital camera
- image set
- test images
- image matching
- image regions
- keypoints
- single image
- edge detection
- face recognition