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Image capture using three-dimensional reconstruction

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Title: Image capture using three-dimensional reconstruction.
Abstract: Embodiments may take the form of three-dimensional image sensing devices configured to capture an image including one or more objects. In one embodiments, the three-dimensional image sensing device includes a first image device configured to capture a first image and extract depth information for the one or more objects. Additionally, the image sensing device includes a second imaging device configured to capture a second image and determine an orientation of a surface of the one or more objects. ...


USPTO Applicaton #: #20120075432 - Class: 348 48 (USPTO) - 03/29/12 - Class 348 


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The Patent Description & Claims data below is from USPTO Patent Application 20120075432, Image capture using three-dimensional reconstruction.

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CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the benefit under 35 U.S.C. §119(e) to 61/386,865, filed Sep. 27, 2010 and titled “Image Capture Using Three-Dimensional Reconstruction,” the disclosure of which is hereby incorporated herein in its entirety.

BACKGROUND

I. Technical Field

The disclosed embodiments relate generally to image sensing devices and, more particularly, to image sensing devices that utilize three-dimensional reconstruction to form a three-dimensional image.

II. Background Discussion

Existing three-dimensional image capture devices, such as digital cameras and video recorders, can derive limited three-dimensional visual information for objects located within a captured area. For example, some imaging devices can extract approximate depth information relating to objects located within the captured area, but are incapable of obtaining detailed geometric information relating to the surfaces of these objects. Such sensors may be able to approximate the distances of objects within the captured area, but cannot accurately reproduce the three-dimensional shape of the objects. Alternatively other imaging devices can obtain and reproduce surface detail information for objects within the captured area, but are incapable of extracting depth information. Accordingly, these sensors may be incapable of differentiating between a small object positioned close to the sensor and a large object positioned far away from the sensor.

SUMMARY

Embodiments described herein relate to systems, apparatuses and methods for capturing a three-dimensional image using one or more dedicated imaging devices. One embodiment may take the form of a three-dimensional imaging apparatus configured to capture at least one image including one or more objects, comprising: a first sensor for capturing a polarized image, the first sensor including a first imaging device and a polarized filter associated with the first imaging device; a second sensor for capturing a first non-polarized image; a third sensor for capturing a second non-polarized image; and at least one processing module for deriving depth information for the one or more objects utilizing at least the first non-polarized image and the second non-polarized image, the processing module further operative to combine the polarized image, the first non-polarized image, and the second non-polarized image to form a composite three-dimensional image.

Another embodiment may take the form of three-dimensional imaging apparatus configured to capture at least one image including one or more objects, comprising: a first sensor for capturing a polarized chrominance image and determining surface information for the one or more objects, the first sensor including a color imaging device and a polarized filter associated with the color imaging device; a second sensor for capturing a first luminance image; a third sensor for capturing a second luminance image; and at least one processing module for deriving depth information for the one or more objects utilizing at least the first luminance image and the second luminance image and combining the polarized chrominance image, the first luminance image, and the second luminance image to form a composite three-dimensional image utilizing the surface information and the depth information.

Still another embodiment may take the form of a method for capturing at least one image of an object, comprising: capturing a polarized image of the object; capturing a first non-polarized image of the object; capturing a second non-polarized image of the object; deriving depth information for the object from at least the first non-polarized image and the second non-polarized image; determining a plurality of surface normals for the object, the plurality of surface normals derived from the polarized image; and creating a three-dimensional image from the depth information and the plurality of surface normals.

This summary is provided to introduce a selection of concepts in a simplified form that are further described below in the detailed description. This summary is not intended to identify key features or essential features of the claimed subject matter, nor is it intended to be used to limit the scope of the claimed subject matter. Other features, details, utilities, and advantages will be apparent from the following more particular written description of various embodiments, as further illustrated in the accompanying drawings and defined in the appended claims.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG. 1A is a functional block diagram that illustrates certain components of one embodiment of a three-dimensional imaging apparatus;

FIG. 1B is a close-up view of one embodiment of the second imaging device shown in FIG. 1A;

FIG. 1C is a close-up view of another embodiment of the second imaging device shown in FIG. 1A;

FIG. 1D is a close-up view of another embodiment of the second imaging device shown in FIG. 1A;

FIG. 2 is a functional block diagram that illustrates certain components of another embodiment of a three-dimensional imaging apparatus;

FIG. 3 is a functional block diagram that illustrates certain components of another embodiment of a three-dimensional imaging apparatus;

FIG. 4 depicts a sample polarization filter that may be used in accordance with embodiments discussed herein, including the imaging apparatuses of FIGS. 1A-3; and

FIG. 5 depicts a second sample polarization filter that may be used in accordance with embodiments discussed herein, including the imaging apparatuses of FIGS. 1A-3.



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stats Patent Info
Application #
US 20120075432 A1
Publish Date
03/29/2012
Document #
13246821
File Date
09/27/2011
USPTO Class
348 48
Other USPTO Classes
348E13074
International Class
04N13/02
Drawings
6



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