Delph v29 1 - DELPH Sonar


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DELPH v29 - DELPH Sonar Presentation
Side-Scan Sonar data acquisition, processing and mapping.

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Delph v29 1 - DELPH Sonar

  1. 1. DELPH Sonar General Presentation V2.9 Spring 2012
  2. 2. 2 Introduction  DELPH Sonar is a complete Acquisition, Processing and Interpretation tool designed to perform easily accurate and productive side-scan surveys.  DELPH Sonar does:  Ensure quality data management  Improve the interpretation workflow  Eliminate bottlenecks during the processing and interpretation  Using these components with a unique global viewer concept and powerful geographic tools, the necessary time to complete a mission report is drastically reduced.
  3. 3. 3 DELPH Sonar Components  DELPH Sonar includes all necessary components to perform side-scan surveys:  Turnkey Solutions Including DELPH Acquisition and a choice of side-scan sonars  DELPH Sonar Acquisition Easy and High Quality Data Logger  DELPH Sonar Interpretation Data Processing and Geo-Interpretation  DELPH Sonar Mosaic Module Generate and display sonar mosaics  DELPH Contact Analyser Echo Analysis and Contact Management  DELPH Sonar Real-Time Real-Time Processing, Interpretation and Mosaicking
  4. 4. 4 Workflow
  5. 5. 5 Architecture  Acquisition of analog and digital Side-  Processing  Interpretation Scan Sonars • Speed correction • Global viewer display • System monitoring • Channel offset • On-Screen annotation & drawing • Waterfall display • TVG and adaptive gains • Contact manager and analyzer • Full raw data logging (XTF) • Slant Correction • Printing  Mosaicking  Geographic Tools • Real-Time & Offline mosaicking • 3D interpretation QC and display • Native storage in geoTIFF format • Coverage map generation • Mosaic export to GoogleEarth® at a • Contact map generation desired resolution • Shine-Through overlapping option • Geographic interpretation with other sensor data (seismic / Sub-Bottom Profiler, bathymetry, magnetometer) • Quick data exclusion (turns, range, etc.)
  6. 6. 6 DELPH Sonar Acquisition
  7. 7. 7 Features  Compatible with all analog and most digital side-scan sonars  iXBlue ELICS (100/400, 400/1250)  Edgetech® 272TD, 4200  L3-Klein® 3000/5000  C-MAX® CM2  Dual Frequency native support  Real-Time « waterfall » and signal-scope display  Automatic contrast enhancement  Data Logging in XTF format  Quality Control with Status Indicators  Windows XP-Vista(1)-7(1) (1) Analog acquisition runs on Windows XP
  8. 8. 8 DELPH Sonar Interpretation
  9. 9. 9 Features  Full report preparation tool  Line processing, edition and interpretation  Contact analysis and classification  Mosaic generation and display  Based on industry standards  XTF  ShapeFile  GeoTiff  TXT  Bitmap  CSV  Tiff  KML  Windows XP - Vista - 7
  10. 10. 11 DisplayDisplay Global viewer Dual frequency display Intuitive navigation tools Quality Control and Geo-ReferencingProcessing DELPH Interpretation offers an innovative way of accessing and visualizing sonar data, thus boosting the workflow from processing to interpretation and reporting.EditionInterpretationPrintingMosaicking
  11. 11. 12 On-Screen display of arbitrary length lines  DELPH Sonar Interpretation is Along track scale Display  Global viewer based on a fast proprietary  Dual frequency display indexing and caching   Intuitive navigation tools Display of auxiliary data mechanism that allows to process and display large datasets while preservingProcessing computer resources.Edition  DELPH Sonar Interpretation can display arbitrary length seismic /Interpretation sub-bottom profiler lines.Printing  DELPH Sonar provides direct access to features of interest Across trackMosaicking and can display large scale scale structures and seabed types.
  12. 12. 13 Dual frequency display  DELPH Sonar Interpretation can Display  Global viewer display and process simultaneously  Dual frequency display the low and high frequencies of   Intuitive navigation tools Display of auxiliary data simultaneous dual frequency side scan sonars  The low and high frequencyProcessing displays are automatically synchronizedEdition  Different gain corrections can be defined for each frequency  Different exclusion areas can beInterpretation defined for each frequencyPrinting A two-layers mosaic can be produced from both sonar Low HighMosaicking frequencies Frequency Frequency The high frequency gives you better resolution at small ranges, while the low frequency gives you better contrast at far ranges
  13. 13. 14 Intuitive navigation tools  Intuitively analyze the data using Display  Global viewer mouse and keyboard keys:  Dual frequency display • Zoom to the complete profile  Intuitive navigation tools  Display of auxiliary data or a particular area • Zoom in and out to the dataProcessing • Pan, scroll • Adjust vertical and horizontalEdition scalesInterpretation  The display is separated from the processingPrinting  Saving time on data accessMosaicking drastically improves the QC and interpretation steps
  14. 14. 15 Quality Control and Georeferencing  DELPH Sonar Interpretation can Display  Global viewer display auxiliary data curves like  Dual frequency display heading, speed, roll and pitch   Intuitive navigation tools Display of auxiliary data synchronized with the waterfall viewProcessing  The sonar data is fully geo- referenced:Edition  Cursor location is available in a selected geodesyInterpretation  The cursor location is synchronized with the mosaic and other kinds of sensor dataPrinting  The sensor altitude from theMosaicking automatic bottom detection can be monitored in real-time when no altimeter is available
  15. 15. 16 ProcessingDisplayProcessing Gain control (AGC and TVG) Bottom tracking Slant range correctionEdition The sonar image needs to be processed before any edition and interpretationInterpretationPrintingMosaicking
  16. 16. 17 Gain control (AGC and TVG)  Enhance and balance the level of theDisplay sonar signal Processing  Different corrections can be applied to   Gain control (AGC, TVG) Bottom track each channel for each sonar frequency  Slant range correction  Correct from an offset level on eachEdition channelInterpretation  Automatic Gain Control  On Range (AGC)Printing  On Beam Angle (BAC)Mosaicking  Time Varying Gain (TVG)  The Time Varying Gain control parameters can be adjusted very intuitively using an interactive gain curve.
  17. 17. 18 Bottom tracking  The distance of the sonar to the bottom is a keyDisplay parameter for accurate georeferencing of pixels  Sensor measurement and automatic bottom detection can be fooled by particles in the water column or Processing  Gain control (AGC, TVG) become imprecise in a noisy environment  Bottom tracking  Slant range correction  The sonar altitude can be defined in different ways  The altitude of the sonar given by an embeddedEdition sensor can be used directly by DELPH Sonar InterpretationInterpretation  The automatic bottom tracking computes a fish altitude that can be compared with the data from the altimeter  A manual tracking of the bottom return is still availablePrinting  DELPH Sonar Interpretation allows you to edit theMosaicking bottom with a simple and intuitive mouse tool  In just a few clicks you get a perfect bottom definition which will lead to a better mosaic and more accurate positionning.
  18. 18. 19 Slant range correction  The data acquired from theDisplay sonar are usually not corrected from the sonar altitude Processing  As a result the image is  Gain control (AGC, TVG) slightly distorted and the geo-  Bottom track referencing is inaccurate  Slant range correction Before correction  DELPH Sonar InterpretationEdition allows you to make the slant range correction in a single clickInterpretation  The resulting image is corrected from the sonar altitude, thus the mosaic isPrinting more accurateMosaicking After correction
  19. 19. 20 EditionDisplayProcessing Editing tools enable to prepare the data before mosaickingEdition Across and AlongTrack Area ExclusionInterpretationPrintingMosaicking
  20. 20. 21 Across and along track area exclusion End of Line  Partsof the sonar data areDisplay sometimes of poor quality  Lack of precision near farthestProcessing ranges  Blind area at nadir Edition  Acquisition or navigation Swell Ghosts  Bottom edition problem  Area exclusion  …Interpretation  These data should be removed from the final mosaic get a betterPrinting coverage with overlapping profilesMosaicking  DELPH Sonar Interpretation enables you to define exclusion areas with just a few clicks Start of Line
  21. 21. 22 InterpretationDisplayProcessingEdition Interpretation of the data is a key step in the report preparationInterpretation Measurement tool Annotation and Drawing Tools Contact ManagementPrinting Polygons Polylines Echo Image SymbolsMosaicking (Shape Files, (geoTIFF, MDB) KML, XML formats) Geographic View Contact Analyser
  22. 22. 23 Measurement tool  DELPH Sonar InterpretationDisplay displays speed corrected dataProcessing  The On-Screen measurement tool will displayEdition  Accross Track length  Along Track length Interpretation  Point-to-Point Distance  Measurement tool • Annotation and Drawing Tools • Echo extractionPrintingMosaicking
  23. 23. 24 Annotation and drawing tools  Annotate the sonar profile directly fromDisplay DELPH Sonar Interpretation using:  Segments, poly-lines and arrowsProcessing  Polygons for contouring areas  Rectangles, Ellipses and PicturesEdition  Text with adjustable font and style Interpretation  Speed up the reporting process Chose different colors and line shapes  Measurement tool  • Annotation and Drawing Tools for different objects  Echo extraction  Filling and transparency improves contouring while keeping and eye onPrinting your dataMosaicking  Exportthe created polygons in shape and KML formats and import it in third party GIS systems
  24. 24. 25 Annotation and drawing toolsDisplayProcessingEdition Interpretation  Measurement tool • Annotation and Drawing Tools  Echo extractionPrintingMosaicking
  25. 25. 27 Annotation and drawing toolsDisplayProcessingEdition Interpretation  Measurement tool • Annotation and Drawing Tools  Echo extractionPrintingMosaicking
  26. 26. 28 Annotation and drawing toolsDisplayProcessingEdition Interpretation  Measurement tool • Annotation and Drawing Tools  Echo extractionPrintingMosaicking
  27. 27. 29 Annotation and drawing toolsDisplayProcessingEdition Interpretation  Measurement tool • Annotation and Drawing Tools  Echo extractionPrintingMosaicking
  28. 28. 30 Echo extraction  Extract echoes from your imageDisplay with a double clickProcessing  The extracted echoes are automatically opened in DELPHEdition Contact Analyser Interpretation  The settings for echoes  Measurement tool • Annotation and Drawing extraction can be configured Tools  Echo extraction very easily  ResolutionPrinting  Size  Storage folderMosaicking
  29. 29. 31 PrintingDisplayProcessingEditionInterpretationPrinting Any part of the image can be printed on any Windows compatible printerMosaicking
  30. 30. 32 Printing  DELPH Sonar Interpretation canDisplay print on any Windows compatible printer up to A0 paper sizeProcessing  The print layout is completelyEdition configurable, including paper size and orientation, title, logo, …Interpretation A preview helps you to adjustPrinting layout before printingMosaicking  Print using a PDF Driver to complete your reporting
  31. 31. 33 MosaickingDisplayProcessingEditionInterpretation After all features have been interpreted, the mosaic provides a full georeferenced imagePrinting Side-Scan SonarMosaicking Mosaic Geographic View geoTIFF
  32. 32. 34 Mosaicking  Sonar profiles can be mosaicked withDisplay just a few clicks  Each line can be mosaickedProcessing independantly or many lines can be mosaicked simultaneouslyEdition  The sonar mosaic is generated as image tiles, optimizing disk space andInterpretation data access for visualization  The mosaic is produced using in thePrinting geoTIFF format, embedding spatial projection and geographic position. It seamlessly integrates any third partyMosaicking GIS solution.  DELPH Mosaic display is optimized for handling large datasets at any scale in the best quality.
  33. 33. 36 Mosaicking
  34. 34. 37 DELPH Sonar Interpretation - FeaturesDisplay Global viewer Dual frequency display Intuitive navigation tools Quality Control and Geo-ReferencingProcessing Gain control (AGC and TVG) Bottom tracking Slant range correctionEdition Across and AlongTrack Area ExclusionInterpretation Measurement tool Annotation and Drawing Tools Echo extractionPrinting Polygons Side-Scan Sonar Polylines Echo Image Mosaic SymbolsMosaicking geoTIFF (Shape Files, (geoTIFF, MDB) KML, XML formats) RoadMap Geographic View Contact Analyser
  35. 35. 38 Contact Management
  36. 36. 39 Contact Management - Introduction  DELPH Contact Analyser provides necessary tools to analyze andManagement classify sonar echoes  2D/3D display of echo and echo informationDisplay  Sonar line, position, range, uncertainty ellipse, grid,…  Simultaneous display of multiple echoesAnalysis  Measurement of echo characteristics  Echo Width, Shadow Width, Echo Length, Echo HeightClassification  Intuitive classification of echoes and contacts  Contact name and classExport  Snapshot export  Export to ASCII files in HTML, CSV, ASCII, XML  Export to geographic layers in ShapeFile and KML  Contacts are generated from DELPH Sonar Interpretation profile window and display in DELPH Contact Analyser and DELPH RoadMap.  DELPH Contact Manager displays a catalog of existing echoes and provides a direct access to DELPH Contact Analyser.
  37. 37. 40 Contact Management - Contact ManagerManagementDisplay DELPH Contact Manager provides a convenient way to review target classification andAnalysis access the analysis environmentClassificationExport
  38. 38. 41 Contact Management – Contact Manager Contact List Echo Summary Echo Thumbnails
  39. 39. 42 Contact Management - DisplayManagementDisplay 3D display Display of echo and fish information Multiple windowsAnalysis Displays echoes in 3D with their associated information. Multiple windows display allows to compare several echoes before classifying themClassificationExport
  40. 40. 43 Contact Management - Display  3D display of echo Display  3D display  Graphic view  Display of echo and fish  Uncertainty ellipse information  Multiple windows display  Grid  TargetAnalysis  Display of echo and fish information  PositionClassification  Resolution  Range  FileExport  Heading  Roll, pitch  Altitude  …
  41. 41. 44 Contact Management - DisplayManagement Display  3D display  Display of echo and fish information  Multiple windows displayAnalysisClassificationExport
  42. 42. 45 Contact Management - Measurement ToolsManagementDisplayMeasurementClassification The characteristic dimensions of the echo can be obtained easily with the measurement toolsExport
  43. 43. 46 Contact Management - Measurement tools  Use the measurement tools toManagement estimate the dimension of the echoDisplay  Echo width  Shadow widthAnalysis  Length  HeightClassificationExport
  44. 44. 47 Contact Management - ClassificationManagement All the echoes are stored in a database. The classification toolbars enable to classifyDisplay echoes and contacts in a very simple wayAnalysisClassificationExport
  45. 45. 48 Contact Management - Classification  Use the classification toolbars toManagement classify your echo  Contact nameDisplay  Class typeAnalysis  Add as many contact and classes to the database as youClassification needExport
  46. 46. 49 Contact Management - ExportManagementDisplayAnalysis Export in standard format the result of your work to incorporate in your reportClassificationExport Export of echo and fish information Snapshot export Echo and Fish Echo Snapshot information GIS Layer (HTML, TXT, (geoTIFF, (BMP, TIF) XML, CSV) SHP, KML) GIS - Report Editor
  47. 47. 50 Contact Management – Export – ASCII files  Exportall your echo informationManagement in one click to various formatsDisplay  The exported file can be directly incorporated in your reportAnalysis  Thesurvey contact report can be generated in one goClassification Export  Export of fish and echo information  Snapshot export XML CSV ASCII HTML
  48. 48. 51 Contact Management – Export – Maps  Sonarechoes are natively stored inManagement geoTIFF formatDisplay  Vectorlayers containing all contact information can be created inAnalysis ShapeFile and KML format.Classification Export  Export of fish and echo information  Snapshot export
  49. 49. 52 Contact Management – Export – Snapshot  The on screen image can beManagement exported (with or without legend) to tiff or bitmap imageDisplay  The resulting image can be directlyAnalysis incorporated in your reportClassification Export  Export of fish and echo information  Snapshot export
  50. 50. 53 Contact Management - ExportFeaturesManagementDisplay 3D display Display of echo and fish information Multiple windowsAnalysisClassificationExport Export of echo and fish information Snapshot export Echo and Fish Echo and Fish Snapshot information information Format (HTML, TXT, (HTML, TXT, BMP, TIF XML, CSV) XML, CSV) Report Editor
  51. 51. Questions ? Thank you.