Evaluation of Video Compression for Facial Image Photoplethysmography in Time Series Space.
Yanjun SunMitsuhiro OgawaPublished in: LifeTech (2020)
Keyphrases
- video compression
- facial images
- video coding
- motion compensation
- motion estimation
- video data
- motion compensated
- video conferencing
- low bit rate
- face recognition
- human faces
- discrete cosine transforms
- compression ratio
- facial expressions
- facial expression recognition
- face detection
- evaluation model
- image database
- bit allocation
- distributed video coding
- image and video compression
- low dimensional
- rate distortion
- motion field
- object recognition