Correcting Low Illumination Images Using PSO-Based Gamma Correction and Image Classifying Method.
Swadhin DasManali RoySusanta MukhopadhyayPublished in: CVIP (2) (2020)
Keyphrases
- gamma correction
- homomorphic filtering
- test images
- segmentation method
- image enhancement
- image data
- transformed images
- edge detection
- input image
- region of interest
- segmentation algorithm
- poor quality images
- image features
- varying illumination
- image regions
- image set
- pixel values
- reconstruction method
- image analysis
- image matching
- image retrieval
- illumination conditions
- gray scale
- vanishing points
- lighting conditions
- color histogram
- retinex theory
- computer vision
- single image
- canny edge detector
- probe image
- enhanced image
- digital camera
- edge points
- image processing algorithms
- intensity images
- contrast enhancement
- image processing
- transfer function
- geometric constraints
- spatial information
- image segmentation