Tessera Technologies Patent Applications

Two Stage Detection for Photographic Eye Artifacts

Granted: May 19, 2011
Application Number: 20110115949
An image acquisition device includes a first speed-optimized filter for producing a first set of candidate red-eye regions for an acquired image; and a second analysis-optimized filter for operating on the first set of candidate red eye regions and the acquired image.

FIXED FOCAL LENGTH OPTICAL LENS ARCHITECTURE PROVIDING A CUSTOMIZED DEPTH OF FOCUS OPTICAL SYSTEM

Granted: May 19, 2011
Application Number: 20110115965
Providing for a fixed focus optical system exhibiting extended depth of field is provided herein. By way of example, a compact and fast optical system that yields an asymmetric modulation transfer function (MTF) is disclosed. In some aspects, the asymmetric MTF results in extended depth of field for near field objects. Such a response can be particularly beneficial for small handheld cameras or camera modules having high resolution. According to some disclosed aspects, the resolution can…

Image Acquisition Method and Apparatus

Granted: May 19, 2011
Application Number: 20110115928
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 image exceeds a threshold. A controller selectively transfers acquired images for storage. A motion extractor determines motion parameters of a selected, stored image. An image re-constructor corrects the…

ENHANCED REAL-TIME FACE MODELS FROM STEREO IMAGING

Granted: May 5, 2011
Application Number: 20110102553
A stereoscopic image of a face is generated. A depth map is created based on the stereoscopic image. A 3D face model of the face region is generated from the stereoscopic image and the depth map. The 3D face model is applied to process an image.

Foreground/Background Segmentation in Digital Images

Granted: May 5, 2011
Application Number: 20110102628
An implementation efficient method of distinguishing between foreground and background regions of a digital image of a scene comprises capturing two images of nominally the same scene and storing the captured images in DCT-coded format, the first image being taken with the foreground more in focus than the background and the second image being taken with the background more in focus than the foreground. Regions of the first image are assigned as foreground or background according to…

RGBW SENSOR ARRAY

Granted: May 5, 2011
Application Number: 20110102638
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 shorter than the first digital exposure duration. A color filter enhanced digital image is generated using data from both the color pixels exposed for the first digital exposure duration and the white pixels…

Partial Face Detector Red-Eye Filter Method and Apparatus

Granted: May 5, 2011
Application Number: 20110102643
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. A digital apparatus has a red-eye filter which analyzes at least one partial face region identified within the digital image for the red-eye phenomenon and modifies the image to eliminate the red-eye phenomenon by changing the red area to…

Digital Image Processing Using Face Detection Information

Granted: April 28, 2011
Application Number: 20110096187
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 of at least some portion of the digital image. Values are adjusted of the one or more parameters within the digitally-detected image based upon an analysis of the digital image including the image of the…

Two Stage Detection For Photographic Eye Artifacts

Granted: April 21, 2011
Application Number: 20110090363
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 candidate red-eye regions based on the candidate face region information provided by the face detector.

RED-EYE FILTER METHOD AND APPARATUS

Granted: April 7, 2011
Application Number: 20110080499
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 upon a comparison of the captured image and a reference image of nominally the same scene taken without flash. In the embodiment the reference image is a preview image of lower pixel resolution than the…

Detecting Red Eye Filter and Apparatus Using Meta-Data

Granted: March 31, 2011
Application Number: 20110074975
A method of filtering a red-eye phenomenon from an acquired digital image including a multiplicity of pixels indicative of color, the pixels forming various shapes of the image, includes analyzing meta-data information, determining one or more regions within the digital image suspected as including red eye artifact, and determining, based at least in part on the meta-data analysis, whether the regions are actual red eye artifact. The meta-data information may include information…

Remote Control Apparatus for Consumer Electronic Appliances

Granted: March 31, 2011
Application Number: 20110078348
An apparatus for the remote wireless control of a consumer electronic audio visual appliance such as a TV set, and/or for internet uploading, includes a remote control handset and a wireless receiver for connection to the appliance. The remote control unit is adapted to transmit audio and/or visual data (A/V data) and control codes to the receiver. The receiver is responsive to the A/V data and control codes to control the appliance to play and/or display the A/V data. The remote control…

Method and Apparatus of Correcting Hybrid Flash Artifacts in Digital Images

Granted: March 31, 2011
Application Number: 20110074985
A method for digital image eye artifact detection and correction include identifying one or more candidate red-eye defect regions in an acquired image. For one or more candidate red-eye regions, a seed pixels and/or a region of pixels having a high intensity value in the vicinity of the candidate red-eye region is identified. The shape, roundness or other eye-related characteristic of a combined hybrid region including the candidate red-eye region and the region of high intensity pixels…

Two Stage Detection For Photographic Eye Artifacts

Granted: March 24, 2011
Application Number: 20110069182
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 candidate red-eye regions based on the candidate face region information provided by the face detector.

Detecting Red Eye Filter and Apparatus Using Meta-Data

Granted: March 24, 2011
Application Number: 20110069186
A method of filtering a red-eye phenomenon from an acquired digital image including a multiplicity of pixels indicative of color, the pixels forming various shapes of the image, includes analyzing meta-data information, determining one or more regions within the digital image suspected as including red eye artifact, and determining, based at least in part on the meta-data analysis, whether the regions are actual red eye artifact. The meta-data information may include information…

Method of Determining PSF Using Multiple Instances of a Nominally Similar Scene

Granted: March 24, 2011
Application Number: 20110069207
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. The digital processing component operates by comparing the image with at least one other image, for example a preview image, of nominally the same scene taken outside the exposure period of the main image. In…

Two Stage Detection For Photographic Eye Artifacts

Granted: March 24, 2011
Application Number: 20110069208
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 candidate red-eye regions based on the candidate face region information provided by the face detector.

DETECTING ORIENTATION OF DIGITAL IMAGES USING FACE DETECTION INFORMATION

Granted: March 17, 2011
Application Number: 20110064329
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 that is highly orientation sensitive. By applying a detection algorithm to images in various orientations, or alternatively by rotating the classifiers, and comparing the number of successful faces that…

DIGITAL IMAGE ACQUISITION CONTROL AND CORRECTION METHOD AND APPARATUS

Granted: March 10, 2011
Application Number: 20110058058
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 processed, permanent image while the mouth is completing the frowning.

Face Recognition Training Method and Apparatus

Granted: March 10, 2011
Application Number: 20110058060
A device is trained for face recognition. A first acquired digital image of a scene includes a face. Face image data is extracted and stored in a face image library along with an unique identifier. A second acquired digital image may or may not include the face of the same person as the face in the first acquired digital image. Face recognition is applied to extracted face data of the second digital image, and the face of the first digital image is displayed as a match to the face of the…