gov.noaa.nmfs.inport:49507
eng
UTF8
dataset
OCM Partners
resourceProvider
NOAA Office for Coastal Management
(843) 740-1202
2234 South Hobson Ave
Charleston
SC
29405-2413
coastal.info@noaa.gov
https://coast.noaa.gov
WWW:LINK-1.0-http--link
NOAA Office for Coastal Management Website
NOAA Office for Coastal Management Home Page
information
pointOfContact
2024-02-29T00:00:00
ISO 19115-2 Geographic Information - Metadata Part 2 Extensions for imagery and gridded data
ISO 19115-2:2009(E)
2
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10000
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2013 Rio Puerto Nuevo, Puerto Rico ADS40 4-Band Imagery
2013_usace_puerto_nuevo
2014-09-08
publication
NOAA/NMFS/EDM
49507
https://www.fisheries.noaa.gov/inport/item/49507
WWW:LINK-1.0-http--link
Full Metadata Record
View the complete metadata record on InPort for more information about this dataset.
information
https://coast.noaa.gov/dataregistry
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Citation URL
Online Resource
download
https://coast.noaa.gov/dataviewer
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Citation URL
Online Resource
download
Imagery acquired with airborne sensors contain camera and terrain related distortions which make the images unsuitable for geospatial analysis as positions within the image may be significantly inaccurate. A digital orthophoto is a georeferenced image prepared from aerial imagery, or other remotely-sensed data in which the displacement within the image due to sensor orientation and terrain relief has been removed. Orthophotos combine the image characteristics of an image with the geometric qualities of a map. Orthoimages show ground features such as roads, buildings, and streams in their proper positions, without the distortion characteristic of unrectified aerial imagery. Digital Orthoimages produced and used within the Forest Service are developed from imagery acquired through various national and regional image acquisition programs. The resulting orthoimages, also known as orthomaps, can be directly applied in remote sensing, GIS and mapping applications. They serve a variety of purposes, from interim maps to field Standards for Digital Orthophotos references for earth science investigations and analysis. Because of the orthographic property, an orthoimage can be used like a map for measurement of distances, angles, and areas with scale being constant everywhere. Also they can be used as map layers in GIS or other computer based manipulation, overlaying, and analysis. An orthoimage differs from a map in a manner of depiction of detail; On the map only selected detail is shown by conventional symbols, whereas on an orthoimage all details appear just as in original aerial imagery.
Original contact information:
Contact Org: U.S. Army Corps of Engineers, Jacksonville District, Geomatics Section
Phone: 904-232-2214
Email: ted.n.schall@usace.army.mil
The purpose of the project is to provide the United States Army Corps of Engineers with updated digital orthographic aerial imagery covering the Rio Puerto Nuevo basin of the greater San Juan, Puerto Rico metropolitan area. The Corps regularly uses digital orthographic imagery to support regulatory, land management and acquisition, planning, engineering and habitat restoration projects. The data may also become available to local, state and other federal agencies for their specific management and analysis needs.
completed
NOAA Office for Coastal Management
(843) 740-1202
2234 South Hobson Ave
Charleston
SC
29405-2413
coastal.info@noaa.gov
https://coast.noaa.gov
WWW:LINK-1.0-http--link
NOAA Office for Coastal Management Website
NOAA Office for Coastal Management Home Page
information
pointOfContact
NOAA Office for Coastal Management
(843) 740-1202
2234 South Hobson Ave
Charleston
SC
29405-2413
coastal.info@noaa.gov
https://coast.noaa.gov
WWW:LINK-1.0-http--link
NOAA Office for Coastal Management Website
NOAA Office for Coastal Management Home Page
information
custodian
irregular
EARTH SCIENCE > SPECTRAL/ENGINEERING > INFRARED WAVELENGTHS > INFRARED IMAGERY
EARTH SCIENCE > SPECTRAL/ENGINEERING > VISIBLE WAVELENGTHS > VISIBLE IMAGERY
theme
Global Change Master Directory (GCMD) Science Keywords
17.0
OCEAN > ATLANTIC OCEAN > NORTH ATLANTIC OCEAN > CARIBBEAN SEA > PUERTO RICO
place
Global Change Master Directory (GCMD) Location Keywords
17.0
CAMERAS
instrument
Global Change Master Directory (GCMD) Instrument Keywords
17.2
Airplane > Airplane
platform
Global Change Master Directory (GCMD) Platform Keywords
17.2
Puerto Rico
San Juan
United States
place
Geographic Names Information System
Digital Ortho Rectified Image
USACE
geotiff
theme
Imagery - partner (no harvest)
project
InPort
otherRestrictions
Cite As: OCM Partners, [Date of Access]: 2013 Rio Puerto Nuevo, Puerto Rico ADS40 4-Band Imagery [Data Date Range], https://www.fisheries.noaa.gov/inport/item/49507.
NOAA provides no warranty, nor accepts any liability occurring from any incomplete, incorrect, or misleading data, or from any incorrect, incomplete, or misleading use of the data. It is the responsibility of the user to determine whether or not the data is suitable for the intended purpose.
otherRestrictions
Access Constraints: None
otherRestrictions
Use Constraints: Acknowledgment of the United States Army Corps of Engineers would be appreciated for products derived from these data.
otherRestrictions
Distribution Liability: Users must assume responsibility to determine the appropriate use of these data. DATA SHOULD NOT BE USED FOR LEGALLY BINDING APPLICATIONS.
unclassified
NOAA Data Management Plan (DMP)
NOAA/NMFS/EDM
49507
https://www.fisheries.noaa.gov/inportserve/waf/noaa/nos/ocmp/dmp/pdf/49507.pdf
WWW:LINK-1.0-http--link
NOAA Data Management Plan (DMP)
NOAA Data Management Plan for this record on InPort.
information
crossReference
grid
eng; US
imageryBaseMapsEarthCover
Microsoft Windows 7 Version 6.1 (Build 7601) Service Pack 1; ESRI ArcGIS 10.1.3035
-66.159
-66.026
18.348
18.484
| Currentness: Majority date of photography acquisition dates
2013-03-13
The data design specifications for this product includes several directed to insure its quality, consistency, and usability. These specifications address some of the technical issues associated with orthoimage production: 1) the tops of buildings and other structures elevated above the surface of the ground 'tilt' away from the center point of the source imagery and from their own bases as a result of perspective and their height which is not compensated for in digital elevation models of the ground surface and 2) individual orthoimages may be assembled from several source aerial images. The data is referenced and adjusted to the NAD83(2011) datum. At the time of publication, this realization of NAD83 had not been included by ESRI in the ArcGIS datum library. Therefore, the GeoTIFF header datum reference was assigned as NAD83(NSRS2007). At such time that ESRI includes NAD83(2011) in the ArcGIS datum library, the images' GeoTIFF datum reference should updated to reflect this.
false
eng
false
None
NOAA Office for Coastal Management
(843) 740-1202
2234 South Hobson Ave
Charleston
SC
29405-2413
coastal.info@noaa.gov
https://coast.noaa.gov
WWW:LINK-1.0-http--link
NOAA Office for Coastal Management Website
NOAA Office for Coastal Management Home Page
information
distributor
https://coast.noaa.gov/dataviewer/#/imagery/search/where:ID=4691
WWW:LINK-1.0-http--link
Customized Download
Create custom data files by choosing area, map projection, file format, etc.
download
https://coastalimagery.blob.core.windows.net/digitalcoast/PuertoNuevoPR_2013_4691/index.html
WWW:LINK-1.0-http--link
Bulk Download
Simple download of data files.
download
dataset
Horizontal Positional Accuracy
Tested 0.12 meters horizontal accuracy at the 95% confidence level; Quantitative Value: 0.12 meters, Test that produced the value: Horizontal position accuracy for the set digital orthoimages was determined by measuring the locations of 12 well defined points within the images and comparing their locations to field positions as determined by GPS survey methods. This comparison resulted in the following accuracy statistics: Radial RMSE (RMSEr) = 0.07m, Radial Standard Deviation (Sr) = 0.03m, National Standard for Spatial Data Accuracy (Accuracy) = 0.12m
Vertical Positional Accuracy
N/A
Completeness Measure
Cloud Cover: 0
Completeness Report
These data cover approximately 70 square miles of the Rio Puerto Nuevo basin and the greater San Juan metropolitan area. These specifications address some of the technical issues associated with orthoimage production: 1) the tops of buildings and other structures elevated above the surface of the ground 'tilt' away from the center point of the source imagery and from their own bases as a result of perspective and their height which is not compensated for in digital elevation models of the ground surface and 2) individual orthoimages may be assembled from several source aerial images.
Conceptual Consistency
These specifications address some of the technical issues associated with orthoimage production: 1) the tops of buildings and other structures elevated above the surface of the ground 'tilt' away from the center point of the source imagery and from their own bases as a result of perspective and their height which is not compensated for in digital elevation models of the ground surface and 2) individual orthoimages may be assembled from several source aerial images.
The imagery was collected using an ADS40-SH51 digital sensor.
Collection was performed using a Cessna 402C flying at 3200'
above mean terrain with 30% sidelap, giving the
collected data nominal ground sampling distance of 0.1
meters. Based-upon the CCD Array configuration present in
the ADS40 digital sensor, imagery for each flight line is
12,000-pixels in width. Red, Green, Blue, Near-Infrared and
Panchromatic image bands were collected.
Collected data was downloaded to portable hard drives and
shipped to the processing facility daily. Raw flight data
was extracted from external data drives using GPro software.
Airborne GPS / IMU data was post-processed using IPAS,
PosPac and/or TerraPos software and reviewed to ensure
sufficient accuracy for project requirements.
Using PictoVera software, low resolution rectified images were
generated from the collected data for use in image quality
review. The low resolution images were generated at 0.6
meter resolution using a two standard deviation histogram
stretch. Factors considered during this review included but
were not limited to the presence of smoke and/or cloud
cover, contrails, light conditions, sun glint and any sensor
or hardware-related issues that potentially could result in
faulty data. When necessary, image strips identified as not
meeting image quality specifications were re-flown to obtain
suitable imagery.
2013-04-05T00:00:00
Aero-triangulation was performed in a single block bundle adjustment
within the PictoVera software. Image tie points providing
the observations for the least squares bundle adjustment were
selected from the images using an auto correlation algorithm.
Photogrammetric control points consisted of photo identifiable control points,
collected using GPS field survey techniques. The control
points were loaded in to the softcopy workstation and measured
in the acquired image strips. A least squares bundle
adjustment of image tie points, control points and the
ABGPS was performed to develop an aero triangulation
solution for the block using PictoVera software.
Upon final bundle adjustment, the triangulated strips were
ortho-rectified to the DEM. Digital elevation models (DEM) consisted of
existing elevation source data provided as GFI, and new elevation data
auto-correlated from imagery over areas where significant earthwork
had occurred. The PictoVera autocorrelation module is used to generate
digital surface model (DSM) mass points for areas required new elevation
data. The autocorrelation module uses an APM algorithm to measure mass
points from the forward, nadir, and backward panchromatic images;
searching in the three images throughout the entire width
and length of each flightline for matching features. The DSM
mass points model the ground surface and above ground
features, and must be filtered to a digital terrain model
(DTM) representing only ground features for use in
orthorectification. The SimActive Correlator 3D software was used
to generate the required DTM from the PictoVera
DSM. The filtered DTM was then interpolated to a regularly
gridded DEM and merged with the source DEM for use in the
PictoVera rectification module. The DEM is reviewed for any
elevation anomalies that would introduce image smearing during
orthorectification, and manual edits made as necessary to remove
any anomalies.
Positional accuracy was reviewed in the rectified imagery by
visually verifying the horizontal positioning of the known
photo-identifiable survey locations using ArcGIS software.
The red, green, blue, and near-infrared bands were combined to generate a
final ortho-rectified image strip. The ADS40 sensor collects
twelve bit image data which requires radiometric adjustment
for output in standard eight bit image channels. The ortho-
rectified image strips were produced with the full 12 bit
data range, allowing radiometric adjustment to 8 bit range
to be performed on a strip by strip basis during the final
mosaicking steps.
The imagery was mosaicked using manual seam line generation
in Orthovista Seam Editor (OVSE). The 12 bit data range was
adjusted for display in standard eight bit image channels by
defining a piecewise histogram stretch using OrthoVista
software. A constant stretch was defined for each image
collection period, and then strip by strip adjustments were
made as needed to account for changes in sun angle and
azimuth during the collection period. Strip adjustments
were also made to match the strips histograms as closely as
possible to APFO specified histogram metrics and color
balance requirements. Automated balancing algorithms were
applied to account for bi- directional reflectance as a
final step before the conversion to 8 bit data range.
Specified 4-band image tiles were extracted from the final
mosaic in GeoTIFF format. Local corrections were made where
necessary to permit displaying the tiles as a uniform mosaic.
2013-04-05T00:00:00
Source Contribution: Digital Image from which spatial and attribute information are interpreted. | Type of Source Media: hard disk drive
800
San Juan Puerto Nuevo March 2013 Aerial Survey
2013-04-11
publication
2013-03-13