Patient Confidential Data Hiding and Transmission System Using Amplitude Quantization in the Frequency Domain of ECG Signals.
Shuo-Tsung ChenRen-Jie YeTsung-Hsien WuChun-Wen ChengPo-You ZhanKuan-Ming ChenWan-Yu ZhongPublished in: Sensors (2023)
Keyphrases
- data hiding
- frequency domain
- ecg signals
- spatial domain
- heart rate
- transform domain
- spread spectrum
- wavelet domain
- feature extraction
- error correction
- reversible data hiding
- denoising
- subband
- information hiding
- dct domain
- low frequency
- watermark embedding
- secret data
- secret message
- data embedding
- error diffusion
- original data
- jpeg images
- low pass
- watermarking technique
- discrete cosine transform
- watermarked image
- signal to noise ratio
- filter bank
- image compression
- computational complexity
- video sequences