Multi-scale dithering for contouring artefacts removal in compressed UHD video sequences.
Yanxiang WangCharith AbhayaratneRajitha WeerakkodyMarta MrakPublished in: GlobalSIP (2014)
Keyphrases
- video sequences
- multiscale
- frame rate
- compressed domain
- space time
- image sequences
- inter frame
- motion vectors
- data structure
- image processing
- wavelet transform
- scale space
- visual tracking
- video camera
- video data
- motion estimation
- mosaic images
- natural images
- structured light
- video segmentation
- video frames
- edge detection
- object tracking
- camera motion
- facial expressions
- coarse to fine
- human actions
- dynamic scenes
- moving objects
- optic flow
- image representation
- compressed data
- temporal sequences
- black and white
- multiple scales
- error diffusion
- image reconstruction
- data compression
- fine scale
- multidimensional signals
- spatial resolution
- temporal information
- image data