QRcode, hashtag or audio watermark? A case study on second screening.
Alan César Belo AngeluciGustavo Moreira CalixtoLeire Mara BevilaquaGleice BernardiniMaria Cristina GobbiPublished in: Multim. Tools Appl. (2017)
Keyphrases
- audio signal
- digital images
- watermarking algorithm
- watermarking scheme
- multimedia
- signal processing
- image watermarking
- audio visual
- audio signals
- digital audio
- topic models
- video watermarking
- spatial domain
- copyright protection
- robust image watermarking
- digital watermark
- image processing operations
- jpeg compression
- visual data
- wavelet domain
- human visual system
- audio features
- digital watermarking
- spread spectrum
- geometric distortions
- watermarking technique
- image quality