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Notebooks

Imaging PALSAR-2 L1.1 using Tellus [with code]

This article describes how to extract and visualize complex images (images with phase and reflection intensity information of radio waves) from PALSAR-2 L1.1 data released on Tellus in accordance with the format called the CEOS format.

How to use

[How to Use Tellus from Scratch] Get original data from the satellite-data-provider

In this article, we’ll tell you about original data (Standard Data Product, High-level Product, etc.) from the satellite-data-provider and how to get it.

New release

[Tellus Ver.2.0 Released] The Redesigned Website, Improvement of the UI of the OS, Newly Opened Market

Tellus Ver.2.0 was released on Thursday, February 27, 2020. This article introduces the updates of Tellus Ver.2.0.

Machine Learning

The 3rd Tellus Satellite Challenge! ~ Check out the Winners’ Models ~

The third Tellus Satellite Challenge was held with a mission to "detect the extent of sea ice." In this article, we explain the challenge and introduce the approaches of the winning teams.

New release

Check out sea surface temperature and chlorophyll a concentration! SHIKISAI (GCOM-C) satellite data is released on Tellus!

In this article, we introduce an overview of GCOM-C SHIKISAI, which was installed in Tellus on December 11th, and about how to look at the data of sea surface temperature and chlorophyll a concentration.

How to use

[How to Use Tellus from Scratch] Display AVNIR-2’s ortho rectified image product

The API for the original data from the AVNIR-2 sensor carried on JAXA's ALOS satellite has become available on Tellus! We'll tell you how to use it.

Case studies

Illegal logging in the Amazon continues to be uncovered! JICA’s incredible satellite system protects forests in 77countries

The "Japan International Cooperation Agency (JICA)" joined up with the Japan Aerospace Exploration Agency (JAXA) in 2016 to develop a system that keeps surveillance of illegal deforestation, an increasingly severe problem around the world.

Machine Learning

Classify satellite images according to cloud density

AI (Artificial Intelligence) has now become pretty common in much of the business world. In the satellite data field, applications of AI such as machine learning and deep learning are capturing more and more attention every year.

Space business

Focusing on Financing of Space Ventures! Space Business in Japan and Abroad【Financing Mechanism and Actual Examples 2019】

Over the past few years, we have become to hear news about space venture company’s financing. This time, we summarised about financing of space ventures in Japan and abroad.

Notebooks

Find Out more with Fishery Using Satellite Data and Go Fishing! Vol.1: Data Summaries

I want to find fishery information using satellite data and go fishing! I've met someone who can really help me out at the Tellus Satellite Boot Camp.

How to use

【Hands-on guide to】what you can learn through combining different pieces of Tellus satellite data together

Satellites can observe objects using different frequency bands all at once. You can choose different combinations of frequency bands to emphasize specific features. In this article, we will tell you how to create altered images by changing the combination of frequency bands.

Space business

Key events in the space industry in 2019 — Check out these seven selected topics

Let's check out important events and trends in seven selected areas in the space industry of 2019. Sorabatake's choice of hot topics for 2020 is also mentioned at the end of the article so don't miss it.

Space business

To make Japan a hub for space travel; Mihoko Shintani, lawyer, speaks of next space business

We interviewed Ms. Mihoko Shintani, a lawyer knowledgeable in space business, about her background before becoming a space lawyer, motivations for her business, and her efforts in Space Port Japan Association (which she serves as a director, while working as a member of the TMI Associates).

Introduction

Can people be seen from artificial satellites? -Summary of GSD & revisit/local time satellite index-

Can we see people from satellite images? We will introduce "GSD," "revisit time," and "local time," the indexes to gain knowledge of satellite image specifications.

Introduction

The basics of satellite data — What it tells us, types, observation interval, resolution and use cases

What can we actually gain to know from satellite data? How do we gain this knowledge? How frequently? How is satellite data used in the actual real world? We are going to answer all these questions.

Introduction

Is Satellite Data IoT? A Comparison with Airplanes/Drones and other Case Studies

This article broadly introduces features of the data obtained from IoT sensors, including drones, airplanes, and satellites, and how to combine them.

Notebooks

Extract Differences by Synthesizing Two Satellite Images Taken at Different Times

We are going to try and compare differences using two satellite images taken at different times. What are the visible differences in the images of the town?

Machine Learning

[Kaggle Competition Commentary Series] Identification of Sea Ice and Ships on Satellite Images

This article explains the analytical approaches that the top three winners took at the data science competition, Kaggle, to identify sea ice and ships from satellite images.