LENSELESS COMPRESSIVE IMAGE ACQUISITION
An exemplary lensless compressive imaging device may include a micro mirror array having a plurality of mirror elements that are individually controllable for selectively directing light reflecting from the micro mirror array. A detector detects light reflected from at least one of the mirror elements. A processor provides compressive image information based on the detected light.
1 . A lensless compressive imaging device comprising:
a micro mirror array including a plurality of mirror elements that are individually controllable for selectively directing light reflecting from the micro minor array;
a detector that is configured to detect light reflected from at least one of the minor elements; and
a processor that is configured to provide compressive image information based on the detected light.
2 . The device of claim 1 , wherein the detected light comprises visible light.
3 . The device of claim 1 , wherein the detected light comprises infrared light.
4 . The device of claim 1 , comprising an infrared detector configured for detecting infrared light and wherein the detector is configured for detecting visible light.
5 . The device of claim 4 , wherein the processor is configured to provide the compressive image information based on detected light from each of the detectors, respectively.
6 . The device of claim 4 , wherein a first set of the mirror elements reflect visible light toward the detector and a second set of the mirror elements reflect infrared light toward the infrared detector.
7 . The device of claim 1 , wherein at least one of the detector or the micro minor array is moveable relative to the other for selectively varying a distance between the micro minor array and the detector.
8 . The device of claim 1 , wherein orientations of the minor elements are controlled according to a basis and the basis is selectively varied.
9 . A lensless compressive image acquisition method comprising the steps of:
controlling a plurality of mirror elements of a micro mirror array, respectively, for selectively directing light reflecting from the micro mirror array;
detecting light reflected from at least one of the mirror elements; and
providing compressive image information based on the detected light.
10 . The method of claim 9 , wherein the detected light comprises visible light.
11 . The method of claim 9 , wherein the detected light comprises infrared light.
12 . The method of claim 9 , wherein detecting the reflected light comprises
detecting infrared light; and
detecting visible light.
13 . The method of claim 12 , wherein detecting the reflected light comprises
detecting the visible light using a first detector; and
detecting the infrared light using a second detector.
14 . The method of claim 12 , wherein providing the compressive image information comprises
providing compressive image information based on detected visible light; and
providing compressive image information based on detected infrared light.
15 . The method of claim 12 , comprising
selectively controlling a first set of the mirror elements for reflecting visible light toward one detector; and
selectively controlling a second set of the mirror elements for reflecting infrared light toward another detector.
16 . The method of claim 9 , comprising
selectively varying a distance between the micro mirror array and a detector that is configured to detect the reflected light.
17 . The method of claim 9 , comprising
selectively controlling orientations of the mirror elements according to a basis; and
selectively varying the basis.