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Embedding Context with Photographic Steganography. Wenjia Yuan. Motivation. QR codes. Photometric model. Distortions in the visual MIMO channel Geometric distortion Angular distortion Specularity distortion. Photometric model. Photometric model. Embedded. Original. Embedded. Original.
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Embedding Context with Photographic Steganography Wenjia Yuan
Motivation • QR codes
Photometric model • Distortions in the visual MIMO channel • Geometric distortion • Angular distortion • Specularity distortion
Photometric model Embedded Original Embedded Original Division Division
Photographic steganography • Photometric ratio
Photographic steganography • Receiver Min-Group Min-Group Binary matrix
Photographic steganography • Min-Group method for reflection removal
Experiments • Indoor
Experiments • Outdoor
Conclusions • Develop a model for image formation of an active scene containing electronic displays • Present real-time photographic steganography for visual MIMO optical system.