Data processing workflow
A common sequence of processing steps—or workflow—can be applied to the recorded data from any single beam echosounder or multibeam echosounder for any water-column application (such as coastal reef fish studies, open ocean fish stock surveys, fish passage in rivers, plankton studies, etc.).
Echoview's suggested data processing workflow serves as a useful checklist to ensure that the necessary processing steps are carried out in an appropriate and logical order.
Echoview training bases its materials around the workflow.
Data exploration
Load, organize, visualize, inspect.
- About EV files
- About filesets
- About data files
- About file formats
- About echograms and Echogram interpretation
- About variables
- About data types
- About cruise tracks
- About pitch data
- About roll data
- About the Dataflow window
Data calibration
Sample location, time, range, depth and backscattering strength.
- About calibrated data
- About calibration settings
- About CTD data
- Transducer Properties, About transducer location, About transducer orientation
- Platform Properties
Data cleaning
Unwanted samples, variance, noise, attenuation, motion etc.
- Noise, background object and signal removal in Echoview
- About lines
- About regions
- About heave data
- Near-field depth estimation
- About virtual variables
- Operators
Target detection and tracking
Point, bottom line/surface and volume targets.
- Line picking
- Bottom surface detection
- About 2D schools detection
- About 3D schools detection and region track detection
- About single targets and fish track detection
- About multibeam targets
- About analysis
- About bottom classification
- About the Threshold offset operator
Target classification
Multifrequency analysis, image analysis etc.
Target characterization
Calculation and export of target metrics.
- About biomass estimation
- Exporting in Echoview
- About samples and echo integration
- About analysis variables
- About exporting analyses
- About analysis domains
- About on screen analyses