Methods and apparatus for environmental measurements and/or stereoscopic image capture
A camera rig including one or more stereoscopic camera pairs and/or one or more light field cameras are described. Images are captured by the light field cameras and stereoscopic camera pairs are captured at the same time. The light field images are used to generate an environmental depth map which accurately reflects the environment in which the stereoscopic images are captured at the time of image capture. In addition to providing depth information, images captured by the light field camera or cameras is combined with or used in place of stereoscopic image data to allow viewing and/or display of portions of a scene not captured by a stereoscopic camera pair.
1. An image capture system, comprising:
a support structure including a horizontal support plate having a center;
a single upward facing camera including an upward facing lens positioned over a middle center portion of said horizontal support plate located away from edges of the support plate, said single upward facing camera facing upward in a vertical direction;
a plurality of outward facing stereoscopic camera pairs supported by said horizontal support plate, said plurality of outward facing stereoscopic camera pairs including:
a first stereoscopic camera pair including a first camera and a second camera for capturing left and right views, respectively, said first stereoscopic camera pair facing in a first outward side direction away from a center area located at the center of said horizontal support plate;
a second stereoscopic camera pair including a third camera and a fourth camera for capturing left and right views, respectively, said second stereoscopic camera pair facing in a second outward side direction away from the center area located at the center of said horizontal support plate;
a second light field camera facing in the second outward side direction, said second outward side direction being different from said first outward side direction; and
wherein a first light field camera is positioned above the center of the first and second cameras of said first stereoscopic camera pair; and
wherein the second light field camera is positioned above the center of said second stereoscopic camera pair.
2. The system of claim 1 ,
wherein said second light field camera includes a fish eye lens;
wherein said third camera includes a fisheye lens; and
wherein said fourth camera includes a fish eye lens.
3. The system of claim 1 , further comprising:
a third light field camera facing in a third direction, said third direction being different from said first and second outward side directions and being a third outward facing side direction; and
a third stereoscopic camera pair including at least a fifth camera and a sixth camera, said third stereoscopic camera pair facing in said third outward facing side direction, said third stereoscopic camera pair being positioned beneath said third light field camera.
4. The system of claim 3 , wherein said first, second, and third light field cameras each include a processor for generating a depth map from an image captured by the light field camera in which the processor is included.
5. The system of claim 4 , further comprising:
a processor configured to receive the depth maps corresponding to portions of the environment and combine the depth maps to generate an environmental depth map.
6. The system of claim 4 further comprising:
memory for storing images captured by said first, second and third light field cameras, said environmental depth map and images captured from said first, second and third stereoscopic camera pairs, at least some of the images captured by the light field cameras having been captured while a stereoscopic camera was capturing some of said stored images captured by the stereoscopic camera pairs.