Patents Examined by Peter Chon
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Patent number: 9025057Abstract: An apparatus, method, and other embodiments associated with performing interpolations to compute gain values that correct for varying spatial intensity are described. In one embodiment, a method includes determining, by an apparatus that processes image data, a gain value for a pixel in the image data for which there is no gain value available in the apparatus, by interpolating related gain values associated with corners of a rectangle bounding the pixel, wherein the interpolating includes determining at least two partial coefficients by interpolating pairs of the related gain values. Noise is filtered from the image data using a noise threshold, and the noise threshold is modified by using the at least two partial coefficients. The method also applies the gain value to the pixel in the image data.Type: GrantFiled: December 16, 2013Date of Patent: May 5, 2015Assignee: Marvell International Ltd.Inventors: Adam George, Bradley C. Aldrich, Ping-Sing Tsai
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Patent number: 9013596Abstract: An image apparatus (10) for providing an estimated final illuminant of a scene (12) and subsequently providing an adjusted image (218) of a scene (12) includes a capturing system (226) and a control system (232). The capturing system (226) captures information for an input image (416) of the scene (12) while at an apparatus setting. The input image (416) is defined by a plurality of input colors. The control system (226) can compare at least one of the input colors to an illuminant database (245) that includes an illuminant gamut of observable colors for a plurality of possible illuminants, and can evaluate the apparatus setting to select one of the possible illuminants to be the estimated final illuminant. Examples of possible apparatus settings include an aperture size and an exposure time. With this design, the present invention is better able to distinguish between some possible outdoor illuminants and some possible indoor illuminants with improved accuracy.Type: GrantFiled: September 24, 2008Date of Patent: April 21, 2015Assignee: Nikon CorporationInventor: Li Hong
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Patent number: 9007518Abstract: An image pickup system causes a first illumination unit to emit light toward a subject at a first angle without causing a second illumination unit for emitting light toward the subject at a second angle different from the first angle, and causes an image pickup unit to capture the image of the subject so as to obtain a first captured image. The image pickup system causes the second illumination unit to emit light without causing the first illumination unit to emit light, and causes the image pickup unit to capture the image of the subject so as to obtain a second captured image. The image pickup system associates the first captured image with the second captured image.Type: GrantFiled: September 23, 2011Date of Patent: April 14, 2015Assignee: Canon Kabushiki KaishaInventor: Masami Sugimori
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Patent number: 9001244Abstract: An image sensor that has a pixel array section in which pixels are arrayed in a two-dimensional manner in vertical and horizontal directions and that controls an exposure time of each pixel in a rolling shutter method is disclosed. The sensor includes control means for determining an electronic shutter occurrence number within one horizontal scanning period, which is the number of rows where electronic shutters are simultaneously performed in one horizontal scanning period, by an operation based on an address addition amount (P1, P2, P3, . . . , PN) when a vertical address movement amount of the pixel array section for every one horizontal scanning period in an exposure regulation shutter, which is an electronic shutter for regulating exposure, executed corresponding to electric charge reading in each pixel is expressed as repetition of the address addition amount (P1, P2, P3, . . . , PN).Type: GrantFiled: March 19, 2014Date of Patent: April 7, 2015Assignee: Sony CorporationInventors: Eiji Makino, Takahiro Abiru, Ryoji Suzuki, Masahiro Itoh
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Patent number: 8988589Abstract: An image pickup apparatus uses an image pickup device. A manual focus adjusting unit is configured to control a focus lens in response to a user's input operation. An edge detecting unit is configured to detect edge components from an image signal obtained by the image pickup device and to output detection levels of the detected edge components. A color signal replacement unit is configured to replace a signal of a pixel corresponding to the detection level with a predetermined color signal when the detection level satisfies a predetermined condition. A display unit is configured to display an image based on an output image signal from the color signal replacement unit.Type: GrantFiled: September 9, 2013Date of Patent: March 24, 2015Assignee: Sony CorporationInventors: Tokuichiro Yamada, Tsutomu Kume
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Patent number: 8982225Abstract: According to one embodiment, a camera module includes a second imaging optical system and an image processing section. The second imaging optical system forms an image piece. The image processing section has at least one of an alignment adjustment section, a resolution restoration section, and a shading correction section and has a stitching section. The stitching section joins the image pieces, subjected to at least one of alignment adjustment, resolution restoration, and shading correction, together to form a subject image.Type: GrantFiled: January 30, 2012Date of Patent: March 17, 2015Assignee: Kabushiki Kaisha ToshibaInventor: Takayuki Ogasahara
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Patent number: 8970744Abstract: In one embodiment of the invention, there is provided a method of correcting a captured image for lens shading artifacts, comprising for a given lens determining a function L(x,y) being a lens shading correction function to be applied to images captured by the lens in order to correct for lens shading artifacts; applying a sampling technique to sample the function L(x,y) at selected points; and storing the sampled function L(x,y) in memory.Type: GrantFiled: July 2, 2009Date of Patent: March 3, 2015Assignee: Imagination Technologies LimitedInventor: Hugh Phu Nguyen
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Patent number: 8953090Abstract: A lens controller of a camera device includes: a driving amount calculator that samples, for each first time period, a lens position signal indicating a lens position detected by a lens position detector and a target position signal indicating a target position of a focus lens on an optical axis transmitted from a control unit and calculates a driving amount output of the focus lens based on the sampled lens position signal and target position signal; an up-sampling unit that performs up-sampling on the driving amount output obtained by the driving amount calculator at a second time period which is a period obtained by dividing the first time period by an integer; and a resonance suppression calculator that performs calculation on a result obtained by sampling the driving amount output at the second time period to suppress a higher-order resonant frequency component in a specified resonant frequency band.Type: GrantFiled: February 28, 2012Date of Patent: February 10, 2015Assignee: Olympus Imaging Corp.Inventors: Takeru Hokkezu, Shinya Abe
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Patent number: 8934709Abstract: A camera system comprises an image capturing device and an object classification module connected to the image capturing device. The image capturing device has a field of view and produces image data representing an image of the field of view. The object classification module is operable to determine whether an object in an image is a member of an object class. The object classification module includes N decision steps configured in a cascade configuration, wherein at least one of the N decision steps is operable to (a) accept an object as a member of the object class, (b) reject an object as a member of the object class, and (c) call on a next step to determine whether an object is a member of the object class.Type: GrantFiled: March 3, 2009Date of Patent: January 13, 2015Assignee: Videoiq, Inc.Inventors: Mahesh Saptharishi, Dimitri A. Lisin, Aleksey Lipchin, Igor Reyzin
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Patent number: 8934029Abstract: Apparatus and methods are provided for obtaining high dynamic range images using a low dynamic range image sensor. The scene is exposed to the image sensor in a spatially varying manner. A variable-transmittance mask, which is interposed between the scene and the image sensor, imposes a spatially varying attenuation on the scene light incident on the image sensor. The mask includes light transmitting cells whose transmittance is controlled by application of suitable control signals. The mask is configured to generate a spatially varying light attenuation pattern across the image sensor. The image frame sensed by the image sensor is normalized with respect to the spatially varying light attenuation pattern. The normalized image data can be interpolated to account for image sensor pixels that are either under or over exposed to enhance the dynamic range of the image sensor.Type: GrantFiled: March 10, 2011Date of Patent: January 13, 2015Assignees: The Trustees of Columbia University in the City of New York, Sony CorporationInventors: Shree K. Nayar, Tomoo Mitsunaga
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Patent number: 8929655Abstract: To provide an image evaluation apparatus and camera which are capable of evaluating an image which is comprehensively good. An image evaluation apparatus comprising: a storage portion which stores a plurality of images when an imaging portion of a camera has continuously imaged in a predetermined time interval a plurality of frames of a subject in a photographing area of the camera, and an image evaluation portion which evaluates a plurality of the images stored in the storage portion, based on a characteristic amount showing a state in which the subject in the photographing area changing in chronological sequence, when the plurality of the images is imaged.Type: GrantFiled: October 14, 2009Date of Patent: January 6, 2015Assignee: Nikon CorporationInventor: Hiroshi Takeuchi
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Patent number: 8917339Abstract: The dynamic range of a pixel is increased by using selective photosensor resets during a frame time of image capture at a timing depending on the light intensity that the pixel will be exposed to during the frame time. Pixels that will be exposed to high light intensity are reset later in the frame than pixels that will be exposed to lower light intensity.Type: GrantFiled: May 20, 2011Date of Patent: December 23, 2014Assignee: Micron Technology, Inc.Inventor: Nikolai E. Bock
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Patent number: 8896743Abstract: Embodiments of the invention describe an enclosure for an image capture system that includes an image capture unit and a solid state die to provide focusing capabilities for a lens unit of the image capture unit. The enclosure may electrically couple the solid state die to the image capture unit and/or other system circuitry. The enclosure may further serve as EMI shielding for the image capture system.Type: GrantFiled: June 8, 2011Date of Patent: November 25, 2014Assignee: OmniVision Technologies, Inc.Inventors: Zheng Du, Denis Chu, Yi-Chang Hsieh, Wei-Feng Lin, Wen-Jen Ho
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Patent number: 8885096Abstract: A multi-media device and a method for manufacturing the multi-media device is described herein. The multi-media device includes a first and second substrate coupled to each other. Both the first and second substrates have a first side and a second side opposite to the first side. The multi-media device further includes a first camera coupled to the first side of the first substrate and a second camera coupled to the first side of the second substrate. The first camera includes a first lens housing, which houses one or more first lenses. The second camera includes a second lens housing, which houses one or more second lenses. The second substrate is coupled to the first substrate in a manner such that the one or more first lenses and the one or more second lenses receive light from opposite directions.Type: GrantFiled: October 21, 2011Date of Patent: November 11, 2014Assignee: OpenPeak Inc.Inventor: Bharat Vakil
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Patent number: 8878948Abstract: A vibration correcting device includes a vibration detecting unit, a vibration correcting unit, a storage unit, and a controlling unit. The vibration detecting unit is configured to detect vibration of an image pickup apparatus. The vibration correcting unit is configured to correct blur of an image caused by the vibration. A storage unit is configured to store correction information used for correcting the blur at a predetermined frequency. The controlling unit is configured to, on the basis of the correction information, send a control signal to the vibration correcting unit.Type: GrantFiled: July 1, 2009Date of Patent: November 4, 2014Assignee: Canon Kabushiki KaishaInventor: Seiya Ohta
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Patent number: 8878976Abstract: Embodiments of the invention describe providing image focusing capabilities for a lens unit of an image capture system by disposing a solid state die over the lens unit. The solid state die may include a plurality of electrodes to receive a voltage or electric signal to generate an electric field. The refractive index of the solid state die will change in response to the generated electric field to focus the image or scene captured by the lens unit. The solid state die is mounted to a folded flexible printed circuit board in a housing or a molded housing having electrodes on its inner wall.Type: GrantFiled: June 8, 2011Date of Patent: November 4, 2014Assignee: OmniVision Technologies, Inc.Inventors: Zheng Du, Denis Chu, Ju Gao
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Patent number: 8872961Abstract: An autofocus system is provided that includes a focus-verification image-recapturing processor and a focus-verification image display processor. The focus-verification image-recapturing processor sets ISO sensitivity to a value lower than a predetermined value and increases an exposure value by adjusting at least one of an aperture value and an exposure time to carry out a focus-verification image-recapturing operation under focusing conditions applied in an antecedent autofocus operation when ISO sensitivity that is set in said auto focus operation exceeds the predetermined value. The focus-verification image display processor displays a focus-verification image obtained by the focus-verification image-recapturing operation when the ISO sensitivity that is set in the auto focus operation exceeds the predetermined value.Type: GrantFiled: June 9, 2011Date of Patent: October 28, 2014Assignee: Pentax Ricoh Imaging Company, Ltd.Inventors: Yoshitaka Kimura, Hiroyuki Tanaka
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Patent number: 8854256Abstract: The image quality degradation of a moving image due to repeated application of color space conversion processing is suppressed. An image capture apparatus which supplies moving image signals to a plurality of output destinations decides the contents of color space conversion processing before and after color processing so as to minimize the number of times of color conversion processing required to match with the color spaces required by output destinations to which priority should be given.Type: GrantFiled: August 6, 2013Date of Patent: October 7, 2014Assignee: Canon Kabushiki KaishaInventor: Hironori Aokage
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Patent number: 8836802Abstract: Some embodiments relate to a method of displaying items on a touch-sensitive display. The method includes showing a camera on the touch-sensitive display and detecting contact with the camera on the touch-sensitive display. The method further includes manipulating the camera based on a gesture conducted on the touch-sensitive display, wherein the gesture includes making contact with the touch sensitive display at a plurality of locations. The plurality of locations are arranged in a pattern that defines operation of the camera. Other embodiments relate to a method that includes showing a menu on the touch-sensitive display that includes a plurality of camera movement operations and detecting contact with the camera on the touch-sensitive display. The method further includes detecting contact with the menu on the touch-sensitive display to select a particular camera movement operation and manipulating the camera based on a gesture conducted on the touch-sensitive display.Type: GrantFiled: March 21, 2011Date of Patent: September 16, 2014Assignee: Honeywell International Inc.Inventors: Jason Laberge, Pallavi Dharwada
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Patent number: 8830343Abstract: This invention includes an imaging device that photographs a subject, a display device that has a display screen displaying image data photographed by the imaging device, a zoom device that varies the display screen, an extraction device that extracts a predetermined feature portion from image data photographed by the imaging device, a directive device that directs the display device so as to display a predetermined feature portion extracted by the extraction device in a predetermined form, and a controller that controls the directive device so as not to direct a display on the display device in accordance with the varying magnification of the zoom device. Namely, an icon of the extraction result is not displayed while the zoom is in action, so that it can avoid an inappropriate display in which the icon display does not correspond to a photographed subject due to the subject's quick movement or a sudden change in its size within a picture frame.Type: GrantFiled: January 5, 2012Date of Patent: September 9, 2014Assignee: Nikon CorporationInventors: Hirotake Nozaki, Yasuyuki Motoki, Hideo Hibino, Tadashi Ohta