宙畑 Sorabatake

List : EO

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.

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.

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.

Notebooks

What is a satellites’ final task? The achievements of a decommissioned Super Low Altitude Test Satellite (SLATS)

Where do retired artificial satellites go when they completed their duties in space? The operation of Super Low Altitude Test Satellite (SLATS) was finalized on October 1, 2019. In this article, we will explain SLATS last job and how to interpret its observation data.

How to use

[How to Use Tellus from Scratch] How do you get an image larger than a map tile? Four tips on handling map tiles

We have shown you how to handle data on JupyterLab in the "Tellus from Scratch" posts. We often use the word "map tile" in these posts. Now, we'll tell you some useful techniques to deal with map tiles with JupyterLab on Tellus.

Introduction

Small radar satellites attract the world’s attention! — The potential of Japan

Small radar satellites, which were said to be one of the most technically challenging small satellites, are beginning to launch into space. Let's have a look at the small radar satellite market.

Case studies

UMITRON back up primary industry! It supports the world’s food industry utilizing leading-edge satellite technology

This company, UMITRON, aims to apply leading technology, such as IoT, AI, and satellite data, to fishing and fish farming industries. What made Mr. Tada head in this direction?

How to use

[How to Use Tellus from Scratch] Get Himawari-8 Image and create animation using Jupyter Lab

We will explain how to get Himawari-8 image, and creating animation using Jupyter Lab on Tellus.

How to use

[How to Use Tellus from Scratch] Clip area from satellite data specified in the GeoJSON format on Jupyter Notebook

Here, we will show you how to clip an area specified in GeoJSON format from satellite data obtained on Jupyter on Tellus. See "Tellusの開発環境でAPI引っ張ってみた (Use Tellus API from the development environment)" for how to use Jupyter Notebook on Tellus.

How to use

[How to Use Tellus from Scratch] Calculate the Percentage of Green Space on AVNIR-2/ALOS Optical Image Using Jupyter Notebook

We would like to introduce how to extract green space from the optical image using AVNIR-2/ALOS data on Tellus.