Seafloor Imagery - Sidescan and Backscatter

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Bottom Classification: Angular Response Analysis • Used to determine bottom classification across a swath. • Matches acoustic response to known bottom types. 1. Create the mosaic. 2. Calculate the ARA for the mosaic. 3. Select a swath from the mosaic screen. 4. Run the ARA – Patch ARA routine. AVI 1 AVI 2 Patch ARA Analysis Window Color-coded ARA Selecting a swath for ARA Analysis 66
Output ARA results to DXF Export ARA results to a DXF contour map • You must enable the ‘Formal Inversion. • When completed, click the Save DXF menu item at the bottom.
Page 1 and 2:
Seafloor Imagery Sidescan and Backs
Page 3 and 4:
Sidescan systems - why use them •
Page 5 and 6:
Sidescan types Sidescan frequency
Page 7 and 8:
What to do with Side Scan data Mosa
Page 9 and 10:
Sonar system components • The son
Page 11 and 12:
Sidescan positioning Getting the po
Page 13 and 14:
Operating a fixed mount (on survey
Page 15 and 16: Sidescan Resolution
Page 17 and 18: Along track resolution why objects
Page 19 and 20: How to do a self check of object de
Page 21 and 22: Backscatter How we see images on th
Page 23 and 24: Sidescan data collection
Page 25 and 26: Data collection in HYPACK Two progr
Page 27 and 28: Setting up a Sidescan Device In Sid
Page 29 and 30: Survey planning: 100% and 200% cove
Page 31 and 32: Sidescan TOOLS Many sidescan system
Page 33 and 34: Maintaining a Proper Bottom Track i
Page 35 and 36: The target height may not be exact
Page 37 and 38: Sidescan Mosaic Processes Stage 1:
Page 39 and 40: Sidescan Mosaic Processes Stage 3:
Page 41 and 42: Sidescan Controls Adjustments Righ
Page 43 and 44: Sidescan Controls Adjustments Gains
Page 45 and 46: Targeting: Example
Page 47 and 48: Target Viewer and Classification U
Page 49 and 50: Resolution Calculator Determine the
Page 51 and 52: Using Coverage Map to manage target
Page 53 and 54: Sidescan Interpretation
Page 55 and 56: The Shadow Effect Imaging the seafl
Page 57 and 58: Proving the chart is wrong On the c
Page 59 and 60: Sidescan for bottom classification
Page 61 and 62: GEOCODER Data Flow Side Scan Data F
Page 63 and 64: Remosaicing Users can remosaic enti
Page 65: Bottom Classification: Extracting t
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Seafloor Imagery - Sidescan and Backscatter

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