Rehg
James Rehg, Burbank, CA US
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20140270707 | Method and System for Detecting and Recognizing Social Interactions In a Video - A system and method for providing a plurality of frames from a video, the video having been taken from a first person's perspective, identifying patterns of attention depicted by living beings appearing in the plurality of frames, identifying social interactions associated with the plurality of frames using the identified patterns of attention over a period of time and using the identified social interactions to affect the subsequent use, storage, presentation, or processing of the plurality of frames. | 09-18-2014 |
James Rehg, Atlanta, GA US
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20150265161 | Methods and Apparatus for Physiological Parameter Estimation - In illustrative implementations, a gyroscope, an accelerometer and a camera gather sensor data indicative of motion of a human head. The gyroscope, accelerometer and camera are each housed in, or attached to, headwear that is worn on the head. In some cases, the headwear comprises a headband, hat, cap, or structure similar to an eyeglasses frame. A computer takes the sensor data as input and calculates a heart rate and respiration rate of the human. In some cases, a computer also calculates heart rate variability. The head motion being measured is caused by forces that are transmitted, at least in part, from the chest, through the neck, and to the head. This head motion is caused, at least in part, by respiration, by heart beats, or by blood flow caused by the heart beats. | 09-24-2015 |
James M. Rehg, Atlanta, GA US
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20120184845 | AUTOMATED MACULAR PATHOLOGY DIAGNOSIS IN THREEDIMENSIONAL (3D) SPECTRAL DOMAIN OPTICAL COHERENCE TOMOGRAPHY (SD-OCT) IMAGES - Systems and methods of analyzing an optical coherence tomography image of a retina are discussed. A 2-dimensional slice of the image can be aligned to produce an approximately horizontal image of the retina and an edge map based at least in part on the aligned slice. Also, at least one global representation can be determined based on a (multi-scale) spatial division, such as multi-scale spatial pyramid, on the slice and/or edge map. Creating the local features is based on the specified cell structure of the global representation. The local features can be constructed based on local binary pattern (LBP)-based features. Additionally, a slice can be categorized into one or more categories via one or more classifiers (e.g., support vector machines). Each category can be associated with at least one ocular pathology, and classifying can be based on the constructed global descriptors, which can include the LBP-based local descriptors. | 07-19-2012 |
20120301105 | SYSTEMS AND METHODS FOR RETRIEVING CASUAL SETS OF EVENTS FROM UNSTRUCTURED SIGNALS - A method for providing improved performance in retrieving and classifying causal sets of events from an unstructured signal can comprise applying a temporal-causal analysis to the unstructured signal. The temporal-causal analysis can comprise representing the occurrence times of visual events from an unstructured signal as a set of point processes. An exemplary embodiment can comprise interpreting a set of visual codewords produced by a space-time-dictionary representation of the unstructured video sequence as the set of point processes. A nonparametric estimate of the cross-spectrum between pairs of point processes can be obtained. In an exemplary embodiment, a spectral version of the pairwise test for Granger causality can be applied to the nonparametric estimate to identify patterns of interactions between visual codewords and group them into semantically meaningful independent causal sets. The method can further comprise leveraging the segmentation achieved during temporal causal analysis to improve performance in categorizing causal sets. | 11-29-2012 |
Timothy J. Rehg, Greenville, SC US
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20130108420 | LAYERED SPLINE SEAL ASSEMBLY FOR GAS TURBINES | 05-02-2013 |