Guided Frequency Filter For Block-DCT Compressed Capsule Endoscopic Images.
Jiawen XueXiang XieGuolin LiZhihua WangPublished in: BioCAS (2018)
Keyphrases
- endoscopic images
- block dct
- discrete cosine transform
- compressed domain
- data hiding
- dct domain
- blocking artifacts
- dct coefficients
- spatial domain
- transform domain
- low frequency
- endoscopic video
- region of interest
- image compression
- image resizing
- high frequency
- frequency domain
- brain tumors
- error correction
- low bit rate
- higher quality
- post processing
- image quality
- wavelet transform
- image processing
- bitstream
- human visual system
- tissue deformation
- deformable models