Data science with Satellite Imagery

A workshop by Chennai Mathematical Institute and {x}KDR Forum
Dragonfly aerospace

The observation of the world through satellite imagery has greatly improved in the last 20 years. Public domain imagery from organisations like NASA and ESA has become better, and the private sector is actively putting up satellites creating images which can be purchased and put into commercial applications. This is a global frontier of observation of the world, and it is particularly valuable in data-poor situations.
Working with satellite imagery requires a combination of high-performance computation and statistical thinking. The datasets are extremely large and require special effort in computer engineering and data science. In addition, traditional statistics knowledge needs to be adapted to fit this space.
In order to understand the possibilities of this world, and to get people going with hands-on capabilities in working with this data, Chennai Mathematical Institute and XKDR Forum will organise a two-day workshop. Kawa Space is the knowledge partner for this event, and Spacefed is the ecosystem partner.


Day 1, 19 August: A strategic sense of the possibilities in satellite imagery, 9:30 AM to 5:30 PM
Time Topic Speakers
9:30 - 10:30 Satellite data in the emerging world of alternative data Hemen Sampat, JP Morgan
10:30 - 11:00 Night lights as direct observation of economic activity Susan Thomas, XKDR Forum
11:00 - 11:15 Coffee break -
11:15 - 11:45 Geospatial variation in prosperity: some evidence from satellite images Carlos Mendes, Nagoya University
11:45 - 12:30 Satellite imagery as an input to credit access for low income households in agriculture Debabrata Ghorai, Dvara E-registry
12:30 - 13:50 Lunch -
13:50 - 14:30 The Suomi NPP and Sentinel satellites Ayush Patnaik, XKDR Forum
14:30 - 15:15 Machine learning and satellite imagery Sudhir Silwal, Aquaconnect
15:15 - 16:05 Real time application of satellite data Devleena Bhattacharjee, Numer8
16:05 - 17:00 Summing up Ajay Shah, XKDR Forum

Day 2, 20 August: Hands on with satellite imagery, 9:30 AM to 5:30 PM
Time Topic
9:30 - 10:30 Introduction to Julia
10:30 - 11:30 Satellite image data
11:30 - 12:00 Coffee break
11:30 - 12:30 Coordinate reference systems
11:30 - 1:00 Problems with raw nighttime lights and data cleaning
1:00 - 2:00 Lunch
2:00 - 4:00 Zonal statistics
4:00 - 5:30 Q & A
Venue Chennai Mathematical Institute H1-Sipcot IT Park, Siruseri, Kelambakkam, Chennai - 603103 Tamil Nadu

Dates: 19 and 20 August 2022
Organising Institutes: Chennai Mathematical Institute (CMI) & XKDR Forum
Organisers: Sourish Das (CMI) & Ayush Patnaik (XKDR Forum)
Registration Charge:
Industry participants: Rs 20,000/-
Academic: Rs 5,000/-
Students: Rs 2,000/-

Julia is a high-level, high-performance, dynamic programming language. While it feels like Python in terms of expressivity, it is as fast as C or FORTRAN.
The topics covered on Day 2 will require learning Julia. While there will be a basic introduction to the language, it is recommended to learn a little before coming to the workshop. The Think Julia book and the Julia for Talented Amateurs youtube channel are good resources for learning.


Devleena Bhattacharjee


Carlos Mendez

Nagoya University

Susan Thomas

xKDR Forum

Ayush Patnaik

xKDR Forum

Debabrata Ghorai

Dvara E-Registry

Ajay Shah

xKDR Forum

Hemen Sampat

JP Morgan

Sudhir Silwal

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