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This is the second in a series of videos I am creating of the research I am performing under the direction of University of Nebraska Lincoln Professor Troy Gilmore to determine whether we can use images taken at the weir on North Platte River at the Nebraska-Wyoming State Line to replicate measurements of discharge and stage by extracting features from the images and using measurements from USGS sensors as ground truth.

Troy’s second task for me was to extract the timestamps and other data from each of the image’s EXIF metadata. That task is now complete and is shown here as an addition to the WaterEval machine learning program for which we laid some groundwork shown in the previous video. We will use this timestamps to select the stage and discharge data from the USGS that applies to each of the images. In addition, we will see whether knowledge of the camera settings changes and can also be added as a feature for our machine learning model.