1. A wide field of view imaging system comprising:
a plurality of cameras arranged with overlapping fields of view; and
at least one processor comprising a plurality of devices in communication with a frame buffer operative to process image frames sequentially from a camera input device to an image transmission device, the devices including an image processing device operative to blend the image data from the cameras into a single wide field of view image and to transmit at least a portion of the single wide field of view image to an image display device.
2. The imaging system of claim 1, wherein the cameras are arranged in pairs, each camera in a camera pair oriented such that their optical axes face similar directions, each camera in the camera pair separated by a distance, one camera from each camera pair associated with a right eye and the other camera from each camera pair associated with a left eye;
the at least one processor operative to transmit image data associated with the right eye to a right eye display of the image display device and to transmit image data from the cameras associated with the left eye to a left eye display of the image display device to provide stereoscopic imaging.
3. The wide field of view imaging system of claim 1, wherein the processor comprises a daughter board associated with each camera and operative to receive data signals from the associated camera, and a main processor board operative to receive data signals from each camera daughter board.
4. The wide field of view imaging system of claim 1, wherein the processor comprises a plurality of devices in communication with a frame buffer operative to process image frames sequentially from a camera input device to an image transmission device.
5. The wide field of view imaging system of claim 4, wherein the processor is operative to process image frames serially.
6. The wide field of view imaging system of claim 4, wherein the processor is operative to process image frames in parallel.
7. The wide field of view imaging system of claim 4, wherein the devices include a frame rotation device.
8. The wide field of view imaging system of claim 4, wherein the devices include a device operative to perform pixel corrections.
9. The wide field of view imaging system of claim 4, wherein the devices include a device operative to manipulate individual pixels or neighborhoods of pixels.
10. The wide field of view imaging system of claim 4, wherein the devices include a device operative to adjust brightness, color, contrast, integration time, shutter speed, white balance, signal gain, saturation level, or gamma correction.
11. The wide field of view imaging system of claim 4, wherein the devices include a device operative to perform an edge detection operation, linear filtering, or background enhancement.
12. The wide field of view imaging system of claim 4, wherein the devices include a field integration device.
13. The wide field of view imaging system of claim 4, wherein the devices include a device operative to blend multiple images into a single image.
14. The wide field of view imaging system of claim 4, wherein the devices include a device operative to perform cropping, panning, or zooming of an image.
15. The wide field of view imaging system of claim 4, wherein the devices include a device operative to perform whole-image affine, quadratic, Euclidean, or rotational transformation operations.
16. The wide field of view imaging system of claim 4, wherein the devices include a data compression device.
17. The wide field of view imaging system of claim 4, wherein the devices include an image data encoding device.
18. The wide field of view imaging system of claim 4, wherein the frame buffer comprises a multiplexed random access memory in synchronous communication with a memory element.
19. The wide field of view imaging system of claim 4, wherein the devices comprise field programmable devices.
20. The wide field of view imaging system of claim 4, wherein the devices comprise field programmable gate arrays.
21. The wide field of view imaging system of claim 4, wherein the devices comprise application specific integrated circuits.
22. The wide field of view imaging system of claim 4, wherein the devices include a digital signal processor.
23. The wide field of view imaging system of claim 4, wherein the devices include an electronic processor.
24. The wide field of view imaging system of claim 1, wherein the processor is operative to transmit the image data to a head mounted display device.
25. The wide field of view imaging system of claim 1, wherein the processor is operative to transmit the image data to the image display device in a page flipping mode.
26. The wide field of view imaging system of claim 1, wherein the processor is operative to transmit the image data to the image display device separately to a right eye display and to a left eye display.
27. The wide field of view imaging system of claim 1, wherein the processor is operative to transmit the image data to a video monitor or a video projector.
28. The wide field of view imaging system of claim 1, wherein the processor is operative to transmit the image data via a wireless connection.
29. The wide field of view imaging system of claim 1, wherein the processor is operative to transmit the image data via a wired connection.
30. The wide field of view imaging system of claim 1, further comprising at least one microphone in communication with the processor to provide an audio input.
31. A method of providing a wide field of view image comprising:
arranging a plurality of cameras with overlapping fields of view;
providing at least one processor having a memory and a plurality of processing devices arranged to process frames serially from an input to an output to a display device;
inputting image data from the plurality of cameras as frames to a processor;
blending two or more frames to provide a single wide field of view image; and
transmitting the wide field of view image from the processor to the display device.
32. The method of claim 31, further comprising adjusting brightness, color, contrast, integration time, shutter speed, white balance, signal gain, saturation level, or gamma correction.
33. The method of claim 31, further comprising rotating a frame to a different orientation
34. The method of claim 31, further comprising cropping, panning, or zooming the image.
35. The method of claim 31, further comprising compressing the image data prior to transmission to the display device.
36. The method of claim 31, further comprising encoding the image data prior to transmission to the display device.
37. The method of claim 31, further comprising transmitting the wide field of view image to a plurality of display devices.
38. The method of claim 31, further comprising receiving the transmitted image at the display device, and providing decompression, cropping, panning, and zooming of the image at the display device.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An optical modulator comprising:
an optical waveguide substrate comprising a first principal surface and a second principal surface, a pair of side surfaces, and an incident face and exit face of light, the substrate comprising a ferroelectric material;
a channel optical waveguide comprising at least a pair of branch sections, a multiplexing section of the branch sections and an exit section provided on the downstream of the multiplexing section, the waveguide being formed on the first principal surface;
a modulation electrode for applying a signal voltage for modulating light propagating in the branch sections, the modulation electrode being formed on the first principal surface of the optical waveguide substrate;
a support substrate;
an adhesive layer adhering the second principal surface of the optical waveguide substrate to the support substrate;
a photodetector mounted on the first principal surface of the optical waveguide substrate; and
a reflective groove for reflecting leaked light of off-mode emitted from the multiplexing section and emitting the light from the first principal surface, the reflective groove penetrating through the optical waveguide substrate between the first principal surface and the second principal surface and extending into the adhesive layer, wherein:
an operating point of the optical modulator is controlled by changing a DC bias applied on the modulation electrode based on optical output of the leaked light of off-mode.
2. The optical modulator of claim 1, wherein the optical waveguide substrate has a thickness of 0.5 \u03bcm to 30 \u03bcm.
3. An optical modulator, comprising:
an optical waveguide substrate comprising a first principal surface and a second principal surface, a pair of side surfaces, and an incident face and exit face of light, the substrate comprising a ferroelectric material;
a channel optical waveguide comprising at least a pair of branch sections, a multiplexing section of the branch sections and an exit section provided on the downstream of the multiplexing section, the waveguide being formed on the first principal surface;
a modulation electrode for applying a signal voltage for modulating light propagating in the branch sections, the modulation electrode being formed on the first principal surface of the optical waveguide substrate;
a guiding optical waveguide propagating signal light or leaked light of off-mode emitted from the multiplexing section;
a support substrate;
an adhesive layer adhering the second principal surface of the optical waveguide substrate to the support substrate;
a photodetector mounted on the first principal surface of the optical waveguide substrate; and
a reflective groove emitting the signal light or the leaked light of off-mode outside of the optical waveguide substrate from the first principal surface, the groove being formed so as to contact an exit end of the guiding optical waveguide and penetrate through the optical waveguide substrate between the first principal surface and the second principal surface and extend into the adhesive layer, wherein
an operating point of the optical modulator is controlled by changing a DC bias applied on the modulation electrode based on optical output of the leaked light of off-mode.
4. The optical modulator of claim 3, wherein the optical waveguide substrate has a thickness of 0.5 \u03bcm to 30 \u03bcm.
5. An optical modulator, comprising:
an optical waveguide substrate comprising a first principal surface and a second principal surface, a pair of side surfaces, and an incident face and exit face of light, the substrate comprising a ferroelectric material;
a channel optical waveguide comprising at least a pair of branch sections, a multiplexing section of the branch sections and an exit section provided on the downstream of the multiplexing section, the waveguide being formed on the first principal surface;
a modulation electrode for applying a signal voltage for modulating light propagating in the branch sections, the modulation electrode being formed on the first principal surface of the optical waveguide substrate;
a guiding optical waveguide propagating signal light or leaked light of off-mode emitted from the multiplexing section;
a support substrate;
an adhesive layer adhering the second principal surface of the optical waveguide substrate to the support substrate;
a photodetector mounted on the first principal surface of the optical waveguide substrate;
a groove formed so as to contact an exit end of the guiding optical waveguide, the groove penetrating through the optical waveguide substrate between the first principal surface and the second principal surface and extending into the adhesive layer; and
a light reflector emitting the signal light or the leaked light of off-mode outside of the optical waveguide substrate from the first principal surface, the reflector being set in the groove, wherein
an operating point of the optical modulator is controlled by changing a DC bias applied on the modulation electrode based on optical output of the leaked light of off-mode.
6. The optical modulator of claim 5, wherein:
the groove is formed perpendicular to the principal surface in the optical waveguide substrate.
7. The optical modulator of claim 5, wherein the optical waveguide substrate has a thickness of 0.5 \u03bcm to 30 \u03bcm.