Hardcopy image barcodes via block-error diffusion.
Niranjan Damera-VenkataJonathan YenVishal MongaBrian L. EvansPublished in: IEEE Trans. Image Process. (2005)
Keyphrases
- error diffusion
- quantization error
- inverse halftoning
- barcode
- image data
- image quality
- gray scale
- input image
- template matching
- multiscale
- gray scale images
- image features
- halftone images
- continuous tone images
- halftoning algorithm
- single image
- image blocks
- low level
- quantization noise
- pixel values
- mid frequency
- gray level
- edge detection
- image retrieval
- data hiding
- image segmentation
- human visual system
- hough transform
- perceptual quality
- coded images
- image classification
- noise shaping
- error diffusion halftoning
- blocking artifacts
- visual features
- multiresolution