1
Robert D Powell, Mark J Nitzberg: Method and system for digital image signatures. Corbis Corporation, Seed and Berry, February 24, 1998: US05721788 (532 worldwide citation)

A method and system for embedding signatures within visual images in both digital representation and print or film. A signature is inseparably embedded within the visible image, the signature persisting through image transforms that include resizing as well as conversion to print or film and back to ...


2
Robert D Powell, Mark J Nitzberg: Method for encoding auxiliary data within a source signal. Digimarc Corporation, Klarquist Sparkman Campbell Leigh & Whinston, September 15, 1998: US05809160 (222 worldwide citation)

A method and system for embedding signatures within visual images in both digital representation and print or film. A signature is inseparably embedded within the visible image, the signature persisting through image transforms that include resizing as well as conversion to print or film and back to ...


3
Robert D Powell, Mark J Nitzberg: Method for image encoding. Digimarc Corporation, Klarquist Sparkman Campbell Leigh & Whinston, July 27, 1999: US05930377 (164 worldwide citation)

A method and system for embedding signatures within visual images in both digital representation and print or film. A signature is inseparably embedded within the possible image, the signature persisting through image transforms that include resizing as well as conversion to print or film and back t ...


4
Robert D Powell, Mark J Nitzberg: Method for encoding auxiliary data within a source signal. Digimarc Corporation, Joel R Meyer, Digimarc Corporation, May 7, 2002: US06385330 (76 worldwide citation)

A method and system for embedding signatures within visual images in both digital representation and print or film. A signature is inseparably embedded within the visible image, the signature persisting through image transforms that include resizing as well as conversion to print or film among the p ...


5
David M Sheehan, Mark J Nitzberg, Patrick J Fitzgerald: Portable data collection device. Lahive & Cockfield, November 20, 2001: US06319199 (70 worldwide citation)

A portable data collection device is provided for diagnostic image and data collection at a remote location. The device is implemented as an otoscope including a speculum and light source for illumination of the ear canal. A digital camera element collects the reflected images and provides the image ...


6
Robert D Powell, Mark J Nitzberg: Image marking with pixel modification. Digimarc Corporation, Joel R Meyer, Digimarc Corporation, September 30, 2003: US06628801 (53 worldwide citation)

A method and system for embedding signatures within visual images in both digital representation and print or film. A signature is inseparably embedded within the visible image, the signature persisting through image transforms that include resizing as well as conversion to print or film and back to ...


7
David M Sheehan, Mark J Nitzberg, Patrick J Fitzgerald: Prescription-controlled data collection system and method. Lahive & Cockfield, October 30, 2001: US06311163 (52 worldwide citation)

A prescription-controlled diagnostic data collection system for collecting, storing and receiving medical diagnostic data. A remote medical diagnostic device is configured to collect and transmit diagnostic data. A health service provider prepares a prescription that authorizes the remote diagnostic ...


8
Robert D Powell, Mark J Nitzberg: Data hiding based on neighborhood attributes. Digimarc Corporation, William Y Digimarc Corporation Conwell, October 24, 2000: US06137892 (37 worldwide citation)

Plural-bit data is encoded in an image without leaving apparent evidence of image alteration. The image is represented by data elements (e.g., pixels) whose values are changed to effect the encoding. The particular data elements to be changed are selected not on their individual values, but rather o ...


9
Robert D Powell, Mark J Nitzberg: Method for image encoding. Digimarc Corporation, William Y Digimarc Corporation Conwell, June 6, 2000: US06072888 (31 worldwide citation)

Plural-bit data is encoded in an image without leaving apparent evidence of image alteration. The image is represented by data elements (e.g., pixels) whose values are changed to effect the encoding. The changes are desirably effected in groups, e.g., pixel groupings 5-10 pixels in height and width, ...


10
Robert D Powell, Mark J Nitzberg: Method for encoding auxiliary data within a source signal. Digimarc Corporation, Joel R Meyer, Digimarc Corporation, October 1, 2002: US06459803 (30 worldwide citation)

A method and system for embedding signatures within visual images in both digital representation and print or film. A signature is inseparably embedded within the visible image, the signature persisting through image transforms that include resizing as well as conversion to print or film among the p ...