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DigitalOptics Corporation Europe Limited Patents
Assignee:
DigitalOptics Corporation Europe Limited
Address:
Ballybrit, Galway, IE
No. of patents:
74
Patents:


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Patent Number Title Of Patent Date Issued
RE42898 Electronic zoom image input method November 8, 2011
An electronic zoom image input method that enables zooming without declining the resolution by receiving an input image transmitted through a fixed focal distance optical system having a function of compressing the circumferential part of the input image by means of a photo detector
8587666 Object detection from image profiles within sequences of acquired digital images November 19, 2013
A measure of frame-to-frame rotation is determined. A global XY alignment of a pair of image frames is performed. At least one section of each of the X and Y integral projection vectors is determined, where aligned global vectors demonstrate a significant localized difference. Based on X
8587665 Fast rotation estimation of objects in sequences of acquired digital images November 19, 2013
A measure of frame-to-frame rotation is determined. A global XY alignment of a pair of frames is performed. Local XY alignments in at least two matching corner regions of the pair of images are determined after the global XY alignment. Based on differences between the local XY alignm
8582896 Separating directional lighting variability in statistical face modelling based on texture space November 12, 2013
A technique for determining a characteristic of a face or certain other object within a scene captured in a digital image including acquiring an image and applying a linear texture model that is constructed based on a training data set and that includes a class of objects including a fir
8582890 Image sharpening via gradient environment detection November 12, 2013
In an embodiment, a device comprises a plurality of elements, including logical elements, wherein the elements are configured to perform the operations of: in a neighborhood of pixels surrounding and including a particular pixel, applying a filter to multiple groups of pixels in the
8577186 Forward interpolation approach using forward and backward mapping November 5, 2013
A forward interpolation approach is disclosed for enabling a second version of an image to be constructed from a first version of the image. According to one implementation, an input pixel from the first version of the image is forward mapped to the second version of the image to det
8577097 Methods and apparatuses for half-face detection November 5, 2013
Classifier chains are used to determine quickly and accurately if a window or sub-window of an image contains a right face, a left face, a full face, or does not contain a face. After acquiring a digital image, an integral image is calculated based on the acquired digital image. Left
8565550 Separating directional lighting variability in statistical face modelling based on texture space October 22, 2013
A technique for determining a characteristic of a face or certain other object within a scene captured in a digital image including acquiring an image and applying a linear texture model that is constructed based on a training data set and that includes a class of objects including a fir
8294748 Panorama imaging using a blending map October 23, 2012
A technique of generating a panoramic image involves acquiring a set of at least two main image frames, as well as corresponding generating and/or acquiring corresponding relatively low-resolution image frames, of overlapping portions of a panoramic scene. A map or other information is
8290267 Detecting redeye defects in digital images October 16, 2012
A method for detecting a redeye defect in a digital image containing an eye comprises converting the digital image into an intensity image, and segmenting the intensity image into segments each having a local intensity maximum. Separately, the original digital image is thresholded to
8285067 Method of notifying users regarding motion artifacts based on image analysis October 9, 2012
A digital image acquisition system includes a portable apparatus for capturing digital images and a digital processing component for detecting, analyzing and informing the photographer regarding motion blur, and for reducing camera motion blur in an image captured by the apparatus. T
8285001 Method and apparatus for selective disqualification of digital images October 9, 2012
An unsatisfactory scene is disqualified as an image acquisition control for a camera. An image is acquired. One or more eye regions are determined. The eye regions are analyzed to determine whether they are blinking, and if so, then the scene is disqualified as a candidate for a proc
8279301 Red-eye filter method and apparatus October 2, 2012
A digital image acquisition system having no photographic film, such as a digital camera, has a flash unit for providing illumination during image capture and a red-eye filter for detecting a region within a captured image indicative of a red-eye phenomenon, the detection being based upo
8270751 Method of notifying users regarding motion artifacts based on image analysis September 18, 2012
A digital image acquisition system includes a portable apparatus for capturing digital images and a digital processing component for detecting, analyzing and informing the photographer regarding motion blur, and for reducing camera motion blur in an image captured by the apparatus. T
8270674 Real-time face tracking in a digital image acquisition device September 18, 2012
An image processing apparatus for tracking faces in an image stream iteratively receives an acquired image from the image stream potentially including one or more face regions. The acquired image is sub-sampled at a specified resolution to provide a sub-sampled image. An integral image
8265399 Detecting orientation of digital images using face detection information September 11, 2012
A method of automatically establishing the correct orientation of an image using facial information. This method is based on the exploitation of the inherent property of image recognition algorithms in general and face detection in particular, where the recognition is based on criteria
8265388 Analyzing partial face regions for red-eye detection in acquired digital images September 11, 2012
A method for red-eye detection in an acquired digital image includes acquiring a first image, and analyzing one or more partial face regions within the first image. One or more characteristics of the first image are determined. One or more corrective processes are identified including
8265348 Digital image acquisition control and correction method and apparatus September 11, 2012
An unsatisfactory scene is disqualified as an image acquisition control for a camera. An image is acquired. One or more mouth regions are determined. The mouth regions are analyzed to determined whether they are frowning, and if so, then the scene is disqualified as a candidate for a
8264576 RGBW sensor array September 11, 2012
A color filter enhancement method for a portable digital image acquisition device includes digitally exposing color pixels of a color sensor array for a first digital exposure duration and digitally exposing white pixels of a color sensor array for a second digital exposure time shor
8264575 Red eye filter method and apparatus September 11, 2012
A digital camera has an integral flash and stores and displays a digital image. Under certain conditions, a flash photograph taken with the camera may result in a red-eye phenomenon due to a reflection within an eye of a subject of the photograph. The digital camera has a red-eye filter
8260044 Reducing erroneous colors in edge areas with chromatic abberation September 4, 2012
A technique is disclosed for calculating a value for a second color for a particular pixel. The technique selects a first set of neighboring pixels situated on a first side of the particular pixel, and a second set of neighboring pixels situated on an opposite side of the particular pixe
8254674 Analyzing partial face regions for red-eye detection in acquired digital images August 28, 2012
A method for red-eye detection in an acquired digital image includes acquiring a first image, and analyzing one or more partial face regions within the first image. One or more characteristics of the first image are determined. One or more corrective processes are identified including
8244053 Method and apparatus for initiating subsequent exposures based on determination of motion blurri August 14, 2012
A digital image acquisition system includes a portable apparatus for capturing digital images and a digital processing component for detecting, analyzing, invoking subsequent image captures and informing the photographer regarding motion blur, and for reducing camera motion blur in a
8243996 Method of determining PSF using multiple instances of a nominally similar scene August 14, 2012
A digital image acquisition system includes a portable apparatus for capturing digital images and a digital processing component for detecting, analyzing and informing the photographer regarding motion blur, and for reducing camera motion blur in an image captured by the apparatus. T
8243182 Method of making a digital camera image of a scene including the camera user August 14, 2012
A method of making an image in a digital camera comprises capturing a digital image of a scene into which the camera user is to be inserted, and superimposing a symbol (subject locator) onto the scene image representing at least a part of a human subject. The subject locator is scale
8233674 Red eye false positive filtering using face location and orientation July 31, 2012
An image is acquired including a red eye defect and non red eye defect regions having a red color. An initial segmentation of candidate redeye regions is performed. A location and orientation of one or more faces within the image are determined. The candidate redeye regions are analy
8224108 Digital image processing using face detection information July 17, 2012
A method of processing a digital image using face detection within the image achieves one or more desired image processing parameters. A group of pixels is identified that correspond to an image of a face within the digital image. Default values are determined of one or more parameters o
8224039 Separating a directional lighting variability in statistical face modelling based on texture spa July 17, 2012
A technique for determining a characteristic of a face or certain other object within a scene captured in a digital image including acquiring an image and applying a linear texture model that is constructed based on a training data set and that includes a class of objects including a fir
8213737 Digital image enhancement with reference images July 3, 2012
A digital image processing technique detects and corrects visual imperfections using a reference image. A main image and one or more reference images having a temporal and/or spatial overlap and/or proximity with the original image are captured. Device information, image data and/or
8212897 Digital image acquisition system with portrait mode July 3, 2012
A digital image acquisition system having no photographic film comprises an apparatus for capturing digital images and a flash unit for providing illumination during image capture. The system has a portrait mode for generating an image of a foreground object against a blurred background,
8212882 Handheld article with movement discrimination July 3, 2012
A digital camera 10 has a pair of angular rate-sensing gyroscopic sensors 130 with mutually perpendicular axes and an electronic circuit 120 responsive to the sensor output signals to discriminate between voluntary and involuntary movements of the article as a function of the number of
8212864 Methods and apparatuses for using image acquisition data to detect and correct image defects July 3, 2012
A method and device for detecting a potential defect in an image comprises acquiring a digital image at a time; storing image acquisition data, wherein the image acquisition data includes at least one of a position of a source of light relative to a lens, a distance from the source o
8208746 Adaptive PSF estimation technique using a sharp preview and a blurred image June 26, 2012
An adaptive motion estimation and deblurring technique for acquired digital images includes acquiring multiple digital images with a moving digital image acquisition device that includes an image sensor, including a relatively sharp, underexposed reference image and a blurred image. And
8204330 Adaptive PSF estimation technique using a sharp preview and a blurred image June 19, 2012
An adaptive motion estimation and deblurring technique for acquired digital images includes acquiring multiple digital images with a moving digital image acquisition device that includes an image sensor, including a relatively sharp, underexposed reference image and a blurred image. Anb
8203644 Imaging system with improved image quality and associated methods June 19, 2012
An image capturing device may include a detector including a plurality of sensing pixels, and an optical system adapted to project a distorted image of an object within a field of view onto the sensing pixels, wherein the optical system expands the image in a center of the field of v
8203621 Red-eye filter method and apparatus June 19, 2012
A digital image acquisition system having no photographic film, such as a digital camera, has a flash unit for providing illumination during image capture and a red-eye filter for detecting a region within a captured image indicative of a red-eye phenomenon, the detection being based upo
8199979 Classification system for consumer digital images using automatic workflow and face detection an June 12, 2012
A processor-based system operating according to digitally-embedded programming instructions includes a face detection module for identifying face regions within digital images. A normalization module generates a normalized version of the face region. A face recognition module automat
8199222 Low-light video frame enhancement June 12, 2012
A method of combining image data from multiple frames to enhance one or more parameters of video image quality includes acquiring a first image at a first exposure duration, as well as acquiring a second image at a second exposure duration shorter than the first exposure duration and at
8195810 Method for establishing a paired connection between media devices June 5, 2012
A method for establishing a paired connection between first and second media devices across a network includes transmitting a first information message across the network including an identifier that includes a request to pair the first and second media devices. When a second informa
8189927 Face categorization and annotation of a mobile phone contact list May 29, 2012
A method of face categorization and annotation of a face image library includes automatically cropping a face within an acquired digital image or removing one or more non-facial items from the digital image, or both, and thereby generating a full-size face image. The full-size face image
8184900 Automatic detection and correction of non-red eye flash defects May 22, 2012
A technique for detecting large and small non-red eye flash defects in an image is disclosed. The method comprises selecting pixels of the image which have a luminance above a threshold value and labeling neighboring selected pixels as luminous regions. A number of geometrical filters ar
8184868 Two stage detection for photographic eye artifacts May 22, 2012
A digital image acquisition device is for acquiring digital images including one or more preview images. A face detector analyzes the one or more preview images to ascertain information relating to candidate face regions therein. A speed-optimized filter produces a first set of candi
8180173 Flash artifact eye defect correction in blurred images using anisotropic blurring May 15, 2012
A method and apparatus for providing defect correction in blurred images is disclosed. For one embodiment of the invention, a digital image is acquired. One or more candidate defect regions in the image are identified. The candidate defect regions are corrected and responsive to the
8180115 Two stage detection for photographic eye artifacts May 15, 2012
A digital image acquisition device is for acquiring digital images including one or more preview images. A face detector analyzes the one or more preview images to ascertain information relating to candidate face regions therein. A speed-optimized filter produces a first set of candi
8175385 Foreground/background segmentation in digital images with differential exposure calculations May 8, 2012
A digital segmentation method and apparatus determines foreground and/or background within at least one portion of a captured image. The determining includes comparing a captured image to a pre-captured or post captured reference image of nominally the same scene. One of the images i
8175342 Two stage detection for photographic eye artifacts May 8, 2012
The detection of red-eye defects is enhanced in digital images for embedded image acquisition and processing systems. A two-stage redeye filtering system includes a speed optimized filter that performs initial segmentation of candidate redeye regions and optionally applies a speed-op
8170350 Foreground/background segmentation in digital images May 1, 2012
An analysis and classification tool compares at least a portion of a captured image and a reference image of nominally the same scene. One of the captured and reference images is taken with flash and the other is taken without flash. The tool provides a measure of the difference in i
8170294 Method of detecting redeye in a digital image May 1, 2012
A method for detecting redeye in a digital image comprises initially examining the image to detect redeyes, examining the image to detect face regions and, from the results of the preceding examinations, identifying those detected face regions each including only one detected redeye.
8169486 Image acquisition method and apparatus May 1, 2012
An image acquisition sensor of a digital image acquisition apparatus is coupled to imaging optics for acquiring a sequence of images. Images acquired by the sensor are stored. A motion detector causes the sensor to cease capture of an image when the degree of movement in acquiring the
8160312 Perfecting the effect of flash within an image acquisition devices using face detection April 17, 2012
Within a digital acquisition device with a built in flash unit, the exposure of an acquired digital image is perfected using face detection in the acquired image is provided. Groups of pixels that correspond to plural images of faces are identified within a digitally acquired image,
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