Feature-matching based overlay of 7 years of high-resolution imagery collected by the TEMPO ecological module (EMSO-Azores observatory)

The dataset contains raw screenshots retrieved from video sequences collected by the TEMPO ecological module from 2012 to 2019 at a frequency from infra-daily to 10 days (base of the Eiffel Tower hydrothermal edifice, Lucky Strike, Mid-Atlantic Ridge, depth of 1695m). These screenshots were all transformed in a continuous spatio-temporal image reference system. This homography transformation was calculated by a combination of feature-matching algorithm and manual annotation of keypoints. All homography transformation matrices and images transformed are included.

The dataset is accompanied with a read me to describe the structure of each data. Please contact Loïc Van Audennhaege for further information on the workflow.

Disciplines

Biological oceanography

Keywords

Mid-Atlantic Ridge, Lucky Strike, Eiffel Tower, TEMPO, Spatio-temporal continuity, Homography, Feature matching, Time series, Underwater imagery, Deep-sea observatory, High-resolution monitoring, Long-term monitoring

Location

37.17N, 37.17S, -32.16E, -32.16W

Devices

The TEMPO ecological module is equiped with a SMOOVE camera and is part of the EMSO-Azores observatory (SeaMON West node).

Data

FileSizeFormatProcessingAccess
Screenshots (1920x1090 pixels) collected from video sequences recorded by the TEMPO ecological module
720 MoIMAGERaw data
Help file to allow the user to better navigate among files and understand their structures
15 KoDOC, DOCX
The final image reference system (3127x2159 pixels) in which all possible fields of view (2012-2019) recorded by TEMPO were overlaid.
1 MoIMAGEProcessed data
Homography transformation matrices (3x3) compiling the final, interperiod and intraperiod transformation for each picture (see the read me file)
2 MoTEXTProcessed data
Transformed images (3127x2159 pixels)
1 GoIMAGEProcessed data
How to cite
Van Audenhaege Loic, Matabos Marjolaine, Gautier Laurent, Legrand Julien, Sarradin Pierre-Marie, Sarrazin Jozee (2022). Feature-matching based overlay of 7 years of high-resolution imagery collected by the TEMPO ecological module (EMSO-Azores observatory). SEANOE. https://doi.org/10.17882/87389

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