198766 ⎘
Signal processing not specific to the method of recording or reproducing; Circuits therefor; Circuits for prevention of unauthorised reproduction or copying, e.g. piracy involving a watermark, i.e. a barely perceptible transformation of the original data which can nevertheless be recognised by an algorithm multiple watermarks used in combination
Watermarking of events of an ordered event stream
#2Motion detection for A/V recording and communication devices
#3Motion detection for A/V recording and communication devices
#4Motion detection for A/V recording and communication devices
#5MANAGEMENT SERVER DEVICE, CONTENT REPRODUCTION DEVICE, AND RECORDING MEDIUM
#6CONTENT PLAYBACK DEVICE, CONTENT PLAYBACK METHOD, CONTENT PLAYBACK PROGRAM, AND INTEGRATED CIRCUIT
#7Encoding With Watermarking Prior to Phase Modulation
#8Management Server Device, Content Repoduction Device, and Recording Medium
#9Digital content distribution system and method
#10Marking articles using a covert digitally watermarked image
#11Methods and apparatus for tamper detection in watermarking systems
#12Collusion-robust watermarking
#13System for applying markings to optical media