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An interactive vizualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars N Balint Zita, Székely Balázs, Kovács Gábor.

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Presentation on theme: "An interactive vizualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars N Balint Zita, Székely Balázs, Kovács Gábor."— Presentation transcript:

1 An interactive vizualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars N Balint Zita, Székely Balázs, Kovács Gábor Department of Geophysics and Space Sciente, ELTE

2 Introduction HRSC (High Resolution Stereo Camera) Nanedi Valles
Local slope histograms Data visualization and processing : own program code RGB (red, green, blue) Current and future goals Balint Zita: An interactive visualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars 2

3 Data Vienna University of Technology, IPF Within the framework of
TMIS.ascrea project calculate the local slope histograms with own programe code Mars Express HRSC high-resolution stereo color camera 9 CCD-line 3 stereo-channels (Nadir, Stereo I and Stereo 2) Recording>> DTM>> slope histograms ESA Balint Zita: An interactive visualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars 3

4 NANEDI VALLES southwest-northeast orientation region of Xanthe Terra
extends roughly 800 km, the valley ranges from  approximately 0.8 to 5 km wide, 0.5 km depth relatively flat-floored, steep-sloped, exhibits meanders merging of two branches in the north 40 km Goggle Mars Balint Zita: An interactive visualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars 4

5 The significance of the research area
Morphologically rich area The origin of the valley is not yet clear, but it seems likely that it is from fluvial erosion Bandeira et al., 2012, Adv. Space Res. Balint Zita: An interactive visualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars 5

6 Presentation of histograms
NI LabView 2011 Balint Zita: An interactive visualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars 6

7 River bed Balint Zita: An interactive visualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars 7

8 Valley sides Balint Zita: An interactive visualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars 8

9 Schematic cross section for a typical central peak crater
NASA Balint Zita: An interactive visualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars 9

10 Impact crater Balint Zita: An interactive visualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars 10

11 Impact crater Balint Zita: An interactive visualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars 11

12 Impact crater Balint Zita: An interactive visualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars 12

13 Significance of slope histograms
Geological aspects : Erosion Rock quality Development Detection of morphological units Google Mars Balint Zita: An interactive visualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars 13

14 Skewness Balint Zita: An interactive visualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars 14

15 RGB (red, green, blue) 15 Balint Zita: An interactive visualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars

16 Red – Mode amplitude Balint Zita: An interactive visualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars 16

17 Green - Skewness Balint Zita: An interactive visualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars 17

18 Blue - Standard deviation
Balint Zita: An interactive visualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars 18

19 RGB Balint Zita: An interactive visualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars 19

20 RGB Balint Zita: An interactive visualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars 20

21 Thank you for your attention!
Conclusions, further plans Study based on skewness Classification based on Kolmogorov distance criteria Thank you for your attention! Balint Zita: An interactive visualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars 21

22 Előzmények Source: A Method for Automated Extraction of Martian Talus Slopes – Case Studies of Nanedi Valles and West Candor Chasma, Mars B. Székely, T. Podobnikar 22 Balint Zita: An interactive visualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars

23 Lejtőszög-hisztogram osztályozás felhasználása
Keleti-Alpok lejtőszög-hisztogram térkép Keleti-Alpok lepusztulás-történeti térkép Source: Neotectonic movements and their geomorphic response as reflected in surface parameters and stress patterns in the Eastern Alps B. Szekely ´*, J. Reinecker†, I. Dunkl††, W. Frisch , and J. Kuhlemann 23 Balint Zita: An interactive visualisation and evaluation tool for DTM-derived slope histograms of Nanedi Valles region, Mars

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