Patent
Depth camera based on structured light and stereo vision
Sagi Katz,Avishai Adler +1 more
TLDR
In this article, a depth camera system uses a structured light illuminator and multiple sensors such as infrared light detectors, such as in a system which tracks the motion of a user in a field of view.Abstract:
A depth camera system uses a structured light illuminator and multiple sensors such as infrared light detectors, such as in a system which tracks the motion of a user in a field of view. One sensor can be optimized for shorter range detection while another sensor is optimized for longer range detection. The sensors can have a different baseline distance from the illuminator, as well as a different spatial resolution, exposure time and sensitivity. In one approach, depth values are obtained from each sensor by matching to the structured light pattern, and the depth values are merged to obtain a final depth map which is provided as an input to an application. The merging can involve unweighted averaging, weighted averaging, accuracy measures and/or confidence measures. In another approach, additional depth values which are included in the merging are obtained using stereoscopic matching among pixel data of the sensors.read more
Citations
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Patent
Depth Map Stereo Correspondence Techniques
TL;DR: In this article, a depth map generated through use of a depth sensor is leveraged as part of processing of stereo images to assist in identifying which parts of stereo image correspond to each other.
Patent
Image capture for virtual reality displays
TL;DR: In this paper, a light-field camera system such as a tiled camera array is used to capture a light field of an environment. And a confidence map is generated to indicate a level of confidence in the estimated world properties for each subview.
Patent
3d corrected imaging
TL;DR: In this article, a system and method for corrected imaging including an optical camera that captures at least one optical image of an area of interest, a depth sensor that captures a depth map of the area of the interest, and circuitry that correlates depth information of the depth map to the at least 1 optical image to generate a depth image, corrects the corrected image by applying a model to address alteration in the respective at least 2D and 3D optical image, the model using information from the depth image.
Patent
Robust stereo depth system
Adam G. Kirk,Oliver A. Whyte,Sing Bing Kang,Charles Lawrence Zitnick,Richard Szeliski,Shahram Izadi,Christoph Rhemann,Andreas Georgiou,Avronil Bhattacharjee +8 more
TL;DR: In this article, a high resolution, high frame rate, robust stereo depth system is proposed for high-quality IR images, including actively illuminated IR images in some implementations, where clean IR images are obtained by using a notch filter to filter out the active illumination pattern.
Patent
Combination of stereo and structured-light processing
Kurt Konolige,Ethan Rublee +1 more
TL;DR: In this article, the authors used a combination of stereo and structured-light processing to estimate the depth information of a given texture pattern from a plurality of images captured with at least two optical sensors.
References
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Journal ArticleDOI
A multiple-baseline stereo
Masatoshi Okutomi,Takeo Kanade +1 more
TL;DR: It is shown that the SSSD-in-inverse-distance function exhibits a unique and clear minimum at the correct matching position, even when the underlying intensity patterns of the scene include ambiguities or repetitive patterns.
Patent
Apparatus and methods for determining the three-dimensional shape of an object using active illumination and relative blurring in two images due to defocus
TL;DR: In this article, a method and apparatus for mapping depth of an object in a preferred arrangement uses a projected light pattern to provide a selected texture to the object along the optical axis (24) of observation.
Patent
3d geometric modeling and motion capture using both single and dual imaging
Eyal Gordon,Gur Arie Bittan +1 more
TL;DR: In this article, a bi-dimensional coded light pattern is projected on the object such that each of the identifiable feature types appears at most once on predefined sections of distinguishable epipolar lines.
Patent
3d geometric modeling and 3d video content creation
Eyal Gordon,Gur Arieh Bittan +1 more
TL;DR: In this paper, a bi-dimensional coded light pattern is projected on the object such that each of the identifiable feature types appears at most once on predefined sections of distinguishable epipolar lines.
Patent
Vision system for an autonomous vehicle
TL;DR: In this article, a stereo vision system using a combination of cameras having > a wide baseline in order to detect obstacles that are relatively far away from the cameras and > a shorter baseline to detect obstacle that are closer to the cameras is presented.