1. A method of processing data, the method comprising: processing, by a processor, a video of an individual, wherein the processing comprises: separating the video into a sequence of image data cubes comprising a set of entries, wherein each entry of the set of entries corresponds to a spectral frequency at which the video was captured; identifying, from the image data cubes, a set of skin blobs corresponding to the set of entries; generating, from the set of skin blobs, a set of time series signals; processing the set of time series signals to estimate a heart rate of the individual; and providing the heart rate to a device.