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A sensing system is provided that includes a transmitter assembly with a light source and a microdisplay device, wherein the transmitter assembly defines an optical beam transmission path to provide illumination of a substantially one-dimensional (1D) region of a target area, the microdisplay device

A sensing system is provided that includes a transmitter assembly with a light source and a microdisplay device, wherein the transmitter assembly defines an optical beam transmission path to provide illumination of a substantially one-dimensional (1D) region of a target area, the microdisplay device comprising a plurality of controllable elements for causing the illumination to be a substantially 1D pattern of light along the 1D region. The system further includes a receiver assembly for defining a return optical signal transmission path from the 1D region and collecting return optical signals from the 1D region. The system also includes a processing component for generating sensor information associated with the 1D region by processing the return optical signals from the 1D region with return optical signals from adjacent 1D regions using a distributed compressive sensing (DCS) technique.

대표청구항 ▼

1. A method, comprising: obtaining data associated with a plurality of return optical signals generated for a series of substantially one-dimensional (1D) regions of a target area, each of the plurality of return optical signals generated by illuminating each of the series of 1D regions using a subs

1. A method, comprising: obtaining data associated with a plurality of return optical signals generated for a series of substantially one-dimensional (1D) regions of a target area, each of the plurality of return optical signals generated by illuminating each of the series of 1D regions using a substantially 1D pattern if light along a width of the 1D regions;identifying at least one aperture section for the target area that includes at least a portion of the 1D regions to yield aperture 1D regions for each at least one aperture section;for each at least one aperture section, computing solutions for the aperture 1D regions using a distributed compressive sensing (DCS) technique;for each of the 1D regions, combining the solutions from each at least one aperture section to produce the sensor information for each of the 1D regions. 2. The method of claim 1, wherein the obtaining for comprises: receiving measurement data corresponding to the return optical signals for each of the 1D regions; andassembling a measurement matrices for each of the 1D regions based at least on the measurement data. 3. The method of claim 2, wherein the measurement matrices are based on a model accounting for at least environmental conditions during collection of the measurement data and a configuration of a transmitter assembly for providing the illumination and the receiver assembly for the collecting of the return optical signals. 4. The method of claim 1, wherein the obtaining further comprises directing light from a light source on a platform to the series of 1D regions using a microdisplay device at the platform to generate the return optical signals and collecting the return optical signals using a receiver at the platform, wherein the microdisplay device comprises a plurality of controllable elements, and wherein the directing comprises adjusting the plurality of controllable elements to cause the light to be reflected towards each of the series of 1D regions as the 1D pattern of light. 5. The method of claim 4, wherein the obtaining further comprises collecting one or more sets of measurement data for each of the series of 1D regions, wherein a number of the sets of measurement data for each of the series of 1D regions is selected based on at least one of a speed of the platform, a desired refresh rate for the sensor information, and an expected resolution of the sensor information. 6. The method of claim 1, wherein the computing is performed using one of a DCS-JSM1 algorithm or a GDCS algorithm. 7. A method for operating a sensing system on a moving platform that comprises a transmitter assembly for transmitting an optical beam transmission path to provide illumination of each of a series of adjacent substantially one-dimensional (1D) regions of a target area using substantially 1D patterns of light and a receiver assembly for defining a return optical signal transmission path from the series of1D regions and collecting return optical signals from the series of 1D regions, the method comprising: initializing the sensing system to set a first number of measurements for each of the series of 1D regions, a second number of the series of 1D regions defining an aperture section of the target area, and a configuration of measurement matrices for the series of 1D regions; andperforming a reconstruction process to assemble an image of the target area, the reconstruction process comprising: generating the measurements for a one of the series of 1D regions;updating a first-in, first-out (FIFO) buffer with an entry comprising the measurements and the measurement matrices corresponding to the one of the series of 1D regions;determining whether the FIFO buffer includes a number of entries equal to the second number;in response to the FIFO buffer including a number of entries equal to the second number computing a solution for the series of 1D regions in the FIFO buffer using a distributed compressive sensing (DCS) technique; andin response to the FIFO buffer including a number of entries less that the second number repeating the process. 8. The method of claim 7, further comprising: detecting that a one of the series of 1D regions is no longer in the FIFO buffer; andcombining the solution for the one of the series of 1D regions from each time the reconstruction process is performed. 9. The method of claim 7, wherein the initializing comprises calculating the first number based on at least one of the speed of the platform, a refresh rate of the 1D patterns, and an expected resolution. 10. The method of claim 7, wherein the initializing comprises calculating the second number based at least on characteristics of a medium associated with the optical beam transmission path and the return optical signal transmission path. 11. The method of claim 7, wherein the measurement matrices are generated using a radiative transfer model based on at least one of environmental conditions and a configuration of the platform. 12. The method of claim 7, wherein the reconstruction process further comprises adjusting the second number based on a difference in the data between the series of 1D regions. 13. The method of claim 7, wherein the computing of the solution comprises using one of a DCS-JSM1 algorithm or a GDCS algorithm. 14. An apparatus, comprising: a sensing system on a moving platform that comprises a transmitter assembly for transmitting an optical beam transmission path to provide illumination of each of a series of adjacent substantially one-dimensional (1D) regions of a target area using substantially 1D patterns of light and a receiver assembly for defining a return optical signal transmission path from the series of 1D regions and collecting return optical signals from the series of 1D regions,a processing system for operating the sensing system, wherein the processing system is configured for initializing the sensing system to set a first number of measurements for each of the series of 1D regions, a second number of the series of 1D regions defining an aperture section of the target area, and a configuration of measurement matrices for the series of 1D regions, and performing a reconstruction process to assemble an image of the target area,wherein the reconstruction process comprises generating the measurements for a one of the series of 1D regions, updating a first-in, first-out (FIFO) buffer with an entry comprising the measurements and the measurement matrices corresponding to the one of the series of 1D regions, determining whether the FIFO buffer includes a number of entries equal to the second number, in response to the FIFO buffer including a number of entries equal to the second number computing a solution for the series of 1D regions in the FIFO buffer using a distributed compressive sensing (DCS) technique, and in response to the FIFO buffer including a number of entries less that the second number repeating the process. 15. The apparatus of claim 14, wherein the processing system is further configured for detecting that a one of the series of 1D regions is no longer in the FIFO buffer, and combining the solution for the one of the series of 1D regions from each time the reconstruction process is performed. 16. The apparatus of claim 14, wherein the initializing comprises calculating the first number based on at least one of the speed of the platform, a refresh rate of the 1D patterns, and an expected resolution. 17. The apparatus of claim 14, wherein the initializing comprises calculating the second number based at least on characteristics of a medium associated with the optical beam transmission path and the return optical signal transmission path. 18. The apparatus of claim 14, wherein the measurement matrices are generated using a radiative transfer model based on at least one of environmental conditions and a configuration of the platform. 19. The apparatus of claim 14, wherein the reconstruction process further comprises adjusting the second number based on a difference in the data between the series of 1D regions. 20. The apparatus of claim 14, wherein the computing of the solution comprises using one of a DCS-JSM1 algorithm or a GDCS algorithm.