5th week - Course on Multispectral imaging conducted by Dr.Giovanni Verri.

1. Leon Levy Foundation Centre for Conservation Studies at Nagaur | 24th March 2018
Multi Spectral Imaging
Hadi Rani Mahal - Area Z
Course instructor: Giovanni V
Maniyarasan R

2. Introduction
MSI
Multi Spectral IMAGING
History
Documentation
Enquiry
Exploration
Dissemination
1

3. Introduction
Understanding the need
Image: Papier Ceiling Mache, British Residency, Hyderabad
1

4. Introduction
Equipment and Knowledge
Image: Filters set, Amazon India.
1

5. Visualisation
Image: Hadi Rani Mahal (UV), Ceiling, Second floor Inner Chamber, Nagaur.
Introduction
1

6. Image: Aerial Image, Nagaur Fort, Rajasthan
Site
2

7. Site
Image: Area Z, Hadi Rani Mahal, Nagaur Fort, Rajasthan
Area Z
2

8. • Space - Internal or External
• Evidence of Ceiling and Presence of Eaves
• Wall paintings remnants on the Southern Wall
• Wall paintings under the eastern and northern wall,
lost in the plaster repair
Site
Research Question
2

9. Site
Research Question
Image: Southern Wall with uneven plaster, Area Z.
2

10. Site
Research Question
2
Images: 1.Southern Wall corner. 2. Evidence of ceiling with the Eaves. 3. Presence of central columns, indicating a possible Western side opening.
1
2 3

11. Equipment
Methodology
3
Image: V, UV, IR, V(I), UV(I) Cheat codes, C5, LLFCC, Giovanni V.

12. Equipment
Methodology
3
Image: Initial search of imagery in the South Wall, Area Z. Seen with UV torch.

13. Equipment
Methodology
3
Instagram Story (21/03/2018): Pre Requisites at site Instagram Story (21/03/2018): With the torch at Hadi Rani Mahal
• Camera (MSI retrofitted) - Nikon D7000, Cropped sensor
• Prime lens - Nikon 50mm with 52mm diameter for filters
• Filters & Diffusers - IDAS (or Hoya), 830, XDP, CC1, KV 418
• Visible Reflected - Flashes (2), IDAS, Plastic Diffuser
• UV Reflected - UV Glass mounted, Flashes (2), XDP, CC1 (3 pairs)
• IR Reflected - IR Torch, Plastic Diffuser, 830
• UV Induced -UV Glass mounted torch, IDAS, KV 418
• Visible Induced - CC1, 830
• UV Induced Luminescence - Tripod, Torches (3)
• Tripod, Torches with UV Glass mounted, IR Torches
Photoshop - Hardware necessities, etc.,

14. Equipment
Methodology
3
Instagram Story (21/03/2018): Pre Requisites at site Instagram Story (21/03/2018): With the torch at Hadi Rani Mahal

15. The Process
Images
4
S3
E
S2 S1 S1A
N3 N2 N1

16. Image: Southern Wall with uneven plaster, Area Z.
The Process
Images
4
S3 S2 S1 S1A

17. (Inverted)
Image: Southern Wall with uneven plaster, Area Z.
The Process
Images
4
S3 S2 S1 S1A

18. The Process
Images
4
Image: S1, Visible Reflected, Area Z.

19. The Process
Images
4
Image: S1, IR Reflected, Area Z.

20. The Process
Images
4
Image: S1, UV Induced Luminescence, Area Z.

21. The Process
Images
4
Image: S1, UV Induced Luminescence, Area Z.
Chhatri
Features & Patterns
Trees
Biological Reactions
People (Mostly Women)
Depicted in Leisurely activities
Garden
Repaired Plaster
Initial Observations

22. `
The Process
Images
4
Image: N1, UV Induced, Area Z.
Image: S3, UV Induced, Area Z.

23. The Process
Images
4
Image: N2, UV Induced, Area Z.
Image: E, UV Induced, Area Z.

24. The Process
Images
4
Image: S1, UV Induced Luminescence, Area Z.
to be…
Reasons behind the biological reactions
Interpreting the architectural characteristics
Comparing with other wall paintings, and discussing their relevance
Establishing compelling evidences

25. The Process
Images
4
Image: S1A, Visible & Visible Inverted, Area Z.

26. The Process
Images
4
Image: S1A, Visible & UV Induced, Area Z.

27. Limitations
5
Or Challenges
Time - Vital to understand the changes, time can bring in
Space - Light, Space to work, equipment additions
Explorations - Through innovations
Technological (thorough) understanding
Equipments
Practice

28. Limitations
5
Part of Ceiling exposed with the sudden mobile flash, Hadi Rani Mahal Ceiling
Gradation of change in colour due the increase in light intensity from sunrise,
Hadi Rani Mahal, Eastern Vault

29. Summary
6
Site:
• Heavy Bio-Deterioration.
• Needs Clarity in layers and their chronology.
• Human figures, Architectural features and characteristics,
Underdrawings, Organic & Inorganic particles.
• Further research - Physical History, Construction technique,
Spatial uses, Understanding the bio degradation, Address
the expose’ to atmospheric conditions.
• No/Less literature.

30. Summary
6
MSI Technology:
• Tool for Identification and Documentation
• Practice as much as possible
• To utilise in other fields, by understanding the principles
of in varied applications
• Possible exploration of tools, VR (Virtual Reality)
possibilities, to enhance the experience of both the
expert and common man
• Multi Disciplinary Approach

31. Summary
6

32. Summary
6

33. Summary
6

34. Summary
6

35. References
• ‘Its all about imaging to me’, Documentation, Investigation, Visualization, and Communication, Giovanni Verri, 2017
• Lecture on filters and the board, Giovanni Verri, LLFCC, 2018.
• LLFCC C1-C4, 2018.