SYSTEMS AND METHODS FOR HIGH-FREQUENCY VIDEO ACQUISITION AND PROCESSING

1 . A method for high-frequency video acquisition, comprising:

providing a video sensor;

providing a target area;

providing at least two frame rates;

capturing at least two videos of the target area at the at least two frame rates;

analyzing the at least two videos and producing corresponding frequency spectra;

determining and comparing observed signal frequencies in the corresponding frequency spectra; and

determining an actual signal frequency.

2 . The method of claim 1 , wherein the target area includes an object and at least one of motion and/or vibration of the object is analyzed.

3 . The method of claim 1 , wherein the determining the actual frequency comprises correlating observed signal frequencies and calculating a frequency shift between the correlated observed frequencies.

4 . The method of claim 1 , further comprising producing an actual signal frequency spectrum.

5 . The method of claim 1 , further comprising producing a frequency transform map between the observed signal frequencies and the actual signal frequency.

6 . The method of claim 1 , further comprising producing an altered video using the actual frequency signal.

7 . The method of claim 1 , further comprising applying an exposure correction factor to a signal of the actual signal frequency.

8 . The method of claim 1 , further comprising calculating displacement, velocity, or acceleration at the actual signal frequency.

9 . The method of claim 1 , further comprising providing a synchronization source and synchronizing the capturing.

10 . The method of claim 1 , further comprising providing an exposure time.

11 . A computer program product, comprising a computer readable hardware storage device storing a computer readable program code, the computer readable program code comprising an algorithm that when executed by a computer processor of a computing system implements a method for high-frequency video acquisition, the method comprising:

providing at least two videos of a target area, wherein the at least two videos are at different frame rates;

analyzing the at least two videos and producing corresponding frequency spectra;

determining and comparing observed signal frequencies in the corresponding frequency spectra; and

determining an actual signal frequency.

12 . The computer program product of claim 11 , wherein determining the actual frequency comprises correlating the observed signal frequencies and calculating a frequency shift between the correlated observed frequencies.

13 . A method for high-frequency video acquisition, comprising:

capturing a first video of a target area, wherein the first video is captured at a first frame rate;

analyzing the first video and determining a first observed signal frequency in the first video;

capturing a second video of the target area, wherein the second video is captured at a second frame rate;

analyzing the second video and determining a second observed signal frequency in the second video;

comparing the first observed signal frequency and the second observed signal frequency; and

determining an actual signal frequency.

14 . The method of claim 13 , wherein analyzing the first video and/or the second video includes producing a first frequency spectrum and/or a second frequency spectrum.

15 . The method of claim 13 , wherein determining the actual frequency comprises correlating the first observed signal frequency and the second observed signal frequency and calculating a frequency shift.

16 . The method of claim 13 , further comprising producing an actual signal frequency spectrum.

17 . The method of claim 13 , further comprising:

capturing a third video of the target area, wherein the third video is captured at a third frame rate;

analyzing the third video and determining a third observed signal frequency in the third video; and

comparing the third observed signal frequency with the first observed signal frequency and/or the second observed signal frequency.

18 . The method of claim 13 , further comprising:

capturing a third video of the target area, wherein the third video is captured at a third frame rate;

analyzing the third video and determining a third observed signal frequency in the third video;

capturing a fourth video of the target area, wherein the fourth video is captured at a fourth frame rate;

analyzing the fourth video and determining a fourth observed signal frequency in the fourth video; and

comparing the third observed signal frequency and the fourth observed signal frequency.

19 . The method of claim 13 , further comprising wherein the target area includes an object and at least one of motion and/or vibration of the object is analyzed.

20 . The method of claim 13 , further comprising producing an altered video using the actual frequency signal.