1
Abbas Rafii, Cyrus Bamji, Nazim Kareemi, Shiraz Shivji: Method and apparatus for entering data using a virtual input device. Canesta, Dorsey & Whitney, September 2, 2003: US06614422 (311 worldwide citation)

A user inputs digital data to a companion system such as a PDA, a cell telephone, an applicance, device using a virtual input device such as an image of a keyboard. A sensor captures three-dimensional positional information as to location of the user's fingers in relation to where keys would be ...


2
Cyrus Bamji: CMOS-compatible three-dimensional image sensor IC. Canesta, November 27, 2001: US06323942 (271 worldwide citation)

A three-dimensional imaging system includes a two-dimensional array of pixel light sensing detectors and dedicated electronics and associated processing circuitry fabricated on a common IC using CMOS fabrication techniques. In one embodiment, each detector has an associated high speed counter that a ...


3
Abbas Rafii, Cyrus Bamji, Cheng Feng Sze, Iihami Torunoglu: Methods for enhancing performance and data acquired from three-dimensional image systems. Canesta, Dorsey & Whitney, January 28, 2003: US06512838 (263 worldwide citation)

A three-dimension distance time-of-flight system is disclosed in which distance values are acquired by a plurality of sensors independently from each other. For use with this and similar systems, Z-distance accuracy and resolution are enhanced using various techniques including over-sampling acquire ...


4
Cyrus Bamji: RGBZ (red, green, blue, z-depth) filter system usable with sensor systems, including sensor systems with synthetic mirror enhanced three-dimensional imaging. Canesta, Canesta, Michael A Kaufman, May 20, 2008: US07375803 (141 worldwide citation)

For use with an imaging system, in one aspect, the present invention implements a filter system that provides a precise narrow band pass for IR-NIR wavelengths, while also providing individual dye-type filters that can be disposed above individual RGB pixels to create dedicated red, green, and blue ...


5
Cyrus Bamji, Enrico Malavasi: Optimization of multiple performance criteria of integrated circuits by expanding a constraint graph with subgraphs derived from multiple PWL convex cost functions. Cadence Design Systems, Fenwick & West, September 2, 1997: US05663891 (99 worldwide citation)

A system, method, and software product in a computer aided design apparatus for system design, to simultaneously optimize multiple performance criteria models of the system, where the performance criteria models are characterized by convex cost functions based on linear dimensional characteristics o ...


6
Cyrus Bamji, Edoardo Charbon, Shiraz Shivji: Noise reduction techniques suitable for three-dimensional information acquirable with CMOS-compatible image sensor ICS. Canesta, Dorsey & Whitney, February 18, 2003: US06522395 (86 worldwide citation)

A three-dimensional imaging system is fabricated on a single IC. The system includes a two-dimensional array of pixel light sensing detectors and dedicated electronics and associated processing circuitry, all preferably fabricated on a single IC using CMOS fabrication techniques. The system includes ...


7
Abbas Rafii, Cyrus Bamji, Cheng Feng Sze, Iihami Torunoglu: Methods for enhancing performance and data acquired from three-dimensional image systems. Canesta, Michael A Kaufman, Dorsey & Whitney, January 6, 2004: US06674895 (82 worldwide citation)

A three-dimension distance time-of-flight system is disclosed in which distance values are acquired by a plurality of sensors independently from each other. For use with this and similar systems, Z-distance accuracy and resolution are enhanced using various techniques including over-sampling acquire ...


8
Cyrus Bamji, Hakan Yalcin, Xinqiao Liu, Ender Tunc Eroglu: Method and system to differentially enhance sensor dynamic range. Canesta, Dorsey & Whitney, July 19, 2005: US06919549 (66 worldwide citation)

Effective differential dynamic range in a differential pixel detector is increased by avoiding saturation effects due to common mode contribution in optical energy to be detected. Photocurrent generated by each photodetector pair is directly integrated by an associated capacitor over an integration ...


9
Cyrus Bamji, Edoardo Charbon: Systems for CMOS-compatible three-dimensional image sensing using quantum efficiency modulation. Canesta, Dorsey & Whitney, June 17, 2003: US06580496 (66 worldwide citation)

A preferably CMOS-implementable system measures distance and/or brightness by illuminating a target with emitted optical energy having a modulated periodic waveform whose high frequency component may be idealized as S


10
Cyrus Bamji, Hakan Yalcin: Method and system for fast calibration of three-dimensional (3D) sensors. Canesta, Michael A Kaufman Esq, Canesta, May 18, 2010: US07719662 (64 worldwide citation)

Rapid calibration of a TOF system uses a stationary target object and electrically introduces phase shift into the TOF system to emulate target object relocation. Relatively few parameters suffice to model a parameterized mathematical representation of the transfer function between measured phase an ...