Inventor: Richard F. Lyon

Address: Los Altos, CA
No. of patents: 45
Last patent issue date: 04/17/2012

Number	Title	Issue Date
8158870	Intervalgram representation of audio for melody recognition A system, method, and computer readable storage medium generates an audio fingerprint for an input audio clip that is robust to differences in key, instrumentation, and other performance variations. The audio fingerprint includes a sequence of intervalgrams that rep...	04/17/2012
7683958	Camera exposure indication interface Systems and methods of providing spatially dependent image exposure information to a user of a digital camera. The described approach is applicable to determination of image exposure quality in a digital camera system. In these applications an image is displayed in ...	03/23/2010
7372595	Flexible image rendering system utilizing intermediate device-independent unrendered image data A flexible, user-friendly computer-implemented image processing system is provided. The system includes a process to receive an image rendering request. The image rendering request includes an indication of raw image data and an indication of desired rendering outpu...	05/13/2008
7339216	Vertical color filter sensor group array with full-resolution top layer and lower-resolution lower layer An array of vertical color filter (VCF) sensor groups, optionally including or coupled to circuitry for converting photogenerated carriers produced in the sensors to electrical signals, and methods for reading out any embodiment of the array. The array has a top lay...	03/04/2008
7166880	Vertical color filter sensor group with carrier-collection elements of different size and method for fabricating such a sensor group A vertical color filter sensor group formed on a substrate (preferably a semiconductor substrate) and including at least two vertically stacked, photosensitive sensors, and an array of such sensor groups. In some embodiments, a carrier-collection element of at least...	01/23/2007
6998660	Vertical color filter sensor group array that emulates a pattern of single-layer sensors with efficient use of each sensor group's sensors An array of vertical color filter (VCF) sensor groups, each VCF sensor group including at least two vertically stacked, photosensitive sensors. Preferably, the array is fabricated, or the readout circuitry is configured (or has a state in which it is configured), to...	02/14/2006
6934050	Method for storing and retrieving data from an imaging array of vertical-color-filter detector groups A method for storing a full Red, Green, Blue (RGB) data set. A full RGB data set is three-color image data captured with an imager array formed on a semiconductor substrate and comprising a plurality of vertical-color-filter detector groups. Each of the vertical col...	08/23/2005
6882367	High-sensitivity storage pixel sensor having auto-exposure detection A storage pixel sensor disposed on a semiconductor substrate comprises a photodiode having a first terminal coupled to a first potential and a second terminal. A barrier transistor has a first terminal coupled to the second terminal of the photodiode, a second termi...	04/19/2005
6864557	Vertical color filter detector group and array A vertical color detector group according to the present invention is formed on a semiconductor substrate and includes layers for collecting photons of different wavelength bands. The color detector group can be programmed to perform dynamic switching between sub-sa...	03/08/2005
6853404	Electronic view camera for tripod mounting An electronic view camera integrates a camera head assembly and laptop computer into a tripod mountable unified structure. The rigid frame, that unifies the camera head and computer, accommodates a choice of laptop type computers from a variety of different manufact...	02/08/2005
6841816	Vertical color filter sensor group with non-sensor filter and method for fabricating such a sensor group A vertical color filter sensor group formed on a substrate (preferably a semiconductor substrate) and including at least two vertically stacked, photosensitive sensors. In preferred embodiments, the sensor group includes at least one filter positioned relative to th...	01/11/2005
6833871	Exposure control in electronic cameras by detecting overflow from active pixels A method for controlling the exposure of an active pixel array electronic still camera includes the steps of: integrating photocurrent in each pixel during an integration time period; collecting overflow charge from all pixels in the array during the integration tim...	12/21/2004
6798586	Corrector optic compensating spherical and coma aberrations generated by a prism A corrector optic is provided, for use in a camera system that includes a thick prism in front of the focal plane. The corrector optic includes preferably two lenses to be aligned on the optical axis of the camera system. When coupled within the camera system, the c...	09/28/2004
6794627	Aggregation of active pixel sensor signals An image sensor includes a plurality of active pixel sensors arranged in an array. Each active pixel sensor includes a photosensor that generates a sensor signal nominally indicative of an intensity of light incident on the photosensor and a follower-type amplifier ...	09/21/2004
6760070	High-sensitivity storage pixel sensor array having auto-exposure detection An integrated active pixel sensor array arranged in a plurality of rows and columns comprises a saturation level line coupled to a source of saturation level control voltage, a global current-summing node. A plurality of active pixel sensors is disposed in the array...	07/06/2004
6741283	Intra-pixel frame storage element, array, and electronic shutter method suitable for electronic still camera applications A storage pixel sensor disposed on a semiconductor substrate comprises a capacitive storage element having a first terminal connected to a fixed potential and a second terminal. A photodiode has an anode connected to a first potential and a cathode. A semiconductor ...	05/25/2004
6636261	Driven capacitor storage pixel sensor and array A storage pixel sensor comprises a photosensor selectively connectable to a reset potential; a switched buffer amplifier having a control terminal coupled to said photosensor, a first terminal connected to a source of a transfer signal, and a second termi...	10/21/2003
6606120	Multiple storage node full color active pixel sensors An active pixel sensor is disposed on a semiconductor substrate of a first conductivity type, and comprises a plurality of semiconductor regions disposed in the substrate, each successive one of the semiconductor regions being enclosed entirely within ano...	08/12/2003
6525304	Circuitry for converting analog signals from pixel sensor to a digital and for storing the digital signal A digital pixel sensor is formed on a semiconductor substrate and comprises a phototransducer responsive to light for providing an analog output signal that is a function of an incident amount of light. A comparator is configured to compare the analog out...	02/25/2003
6512858	Image scanning circuitry with row and column addressing for use in electronic cameras A scanning circuit for use with an active pixel sensor array comprises a row-address generator configured to start at a selected row-start address, stop at a selected row-stop address, and increment row addresses by a factor K. A column-address generator ...	01/28/2003
6512544	Storage pixel sensor and array with compression A storage pixel sensor disposed on a semiconductor substrate comprises a photosensor. At least one nonlinear capacitive element is coupled to the photosensor. At least one nonlinear capacitive element is arranged to have a compressive photocharge-to-volta...	01/28/2003
6480621	Statistical classifier with reduced weight memory requirements A neural network has reduced requirements for storing intermodal weight values, as a result of a dual-precision training process. In the forward propagation of training samples, low-resolution weight values are employed. During back-propagation of errors ...	11/12/2002
6452633	Exposure control in electronic cameras by detecting overflow from active pixels A method for controlling the exposure of an active pixel array electronic still camera includes the steps of: integrating photocurrent in each pixel during an integration time period; collecting overflow charge from all pixels in the array during the inte...	09/17/2002
6410899	Active pixel sensor with bootstrap amplification and reduced leakage during readout An integrated active pixel sensor array comprises a plurality of row select lines, each of said row select lines coupled to a source of a row-select signal; a plurality of source-follower drain row lines, each of said source-follower drain row lines coupl...	06/25/2002
6369853	Intra-pixel frame storage element, array, and electronic shutter method suitable for electronic still camera applications A storage pixel sensor disposed on a semiconductor substrate comprises a capacitive storage element having a first terminal connected to a fixed potential and a second terminal. A photodiode has an anode connected to a first potential and a cathode. A sem...	04/09/2002
6330113	Color separation prism with adjustable path lengths A color-separation prism assembly comprises first, second and third prisms. The first and second prisms have entrance surfaces, exit surfaces, and partially-reflecting surfaces, wherein the entrance surface of the second prism is separated by an air gap f...	12/11/2001
6211510	Active pixel sensor with bootstrap amplification In a first embodiment an active pixel sensor includes a photodiode for capturing photocharge, a reset transistor for resetting the photodiode to a reset potential, and a readout transistor, and in a second embodiment an active pixel sensor includes a phot...	04/03/2001
6097022	Active pixel sensor with bootstrap amplification In a first embodiment an active pixel sensor includes a photodiode for capturing photocharge, a reset transistor for resetting the photodiode to a reset potential, and a readout transistor, and in a second embodiment an active pixel sensor includes a phot...	08/01/2000
6078429	Color separating prism having violet light component in red channel A color separating prism is disclosed for use in an electronic imaging systems such as a video or digital still-image camera. The prism separates an incoming light beam into red, green and blue light components and directs the separated light components o...	06/20/2000
6054704	Driven capacitor storage pixel sensor and array A storage pixel sensor comprises a photosensor selectively connectable to a reset potential; a switched buffer amplifier having a control terminal coupled to said photosensor, a first terminal connected to a source of a transfer signal, and a second termi...	04/25/2000
5946410	Adaptive classifier for compound characters and other compound patterns A statistical classifier utilizes combined output values to determine posterior probabilities for certain output classes. In the field of handwriting recognition, compound characters are factored into classes of base letter forms and diacritical marks. A ...	08/31/1999
5903884	Method for training a statistical classifier with reduced tendency for overfitting To prevent overfitting a neural network to a finite set of training samples, random distortions are dynamically applied to the samples each time they are applied to the network during a training session. A plurality of different types of distortions can b...	05/11/1999
5805730	Method for training an adaptive statistical classifier with improved learning of difficult samples A statistical classifier that can be used for pattern recognition is trained to recognize negative, or improper patterns as well as proper patterns that are positively associated with desired output classes. A set of training samples includes both the neg...	09/08/1998
5805731	Adaptive statistical classifier which provides reliable estimates or output classes having low probabilities A statistical classifier for pattern recognition, such as a neural network, produces a plurality of output signals corresponding to the probabilities that a given input pattern belongs in respective classes. The classifier is trained in a manner such that...	09/08/1998
5796863	Method for training an adaptive statistical classifier to balance unigram prior factors A statistical classifier is trained in a manner to remove biasing due to unequal frequencies of unigram priors. The relative frequencies of all classes in a training set of sample patterns is determined. Training patterns are then selected from the set an...	08/18/1998
5739820	Method and apparatus for specular reflection shading of computer graphic images A method and system for approximating a Phong shading calculation for 3D renderings of realistic graphic images. The new method uses only a modest number of multiplies and adds to approximate a calculation that required divides, square roots and powers. T...	04/14/1998
5675665	System and method for word recognition using size and placement models A bounds evaluation unit generates a bounds measurement pair corresponding to a character pattern pair determined from a handwritten word. Within the bounds measurement pair, a first bounds measurement corresponds to a first character pattern, and a secon...	10/07/1997
5550487	Apparatus and method for allowing a synamic logic gate to operate statically A statically operated dynamic CMOS logic gate that includes an FET logic network for performing a predefined logic function with respect to its logic inputs, an output node, a precharge transistor, and in some embodiments an evaluate transistor. During op...	08/27/1996
5502663	Digital filter having independent damping and frequency parameters A filter capable of having its damping and frequency parameters independently varied. The filter can be represented in either a digital or an analog computation network. The network comprises four multipliers for multiplying by a frequency term twice and ...	03/26/1996
5473759	Sound analysis and resynthesis using correlograms A system for reconstructing a signal waveform from a correlogram is based upon the recognition that the information in each channel of the correlogram is equivalent to the magnitude of the Fourier transform of a signal. By estimating a signal on the basis...	12/05/1995

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Inventor: Richard F. Lyon