宙畑 Sorabatake

List : Vision Tech

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.

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.

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.

Machine Learning

Data Science competition of Sea ice detection : its purpose points on images

On October 4th, 2019, the "3rd Tellus Satellite Challenge", a satellite data analysis competition, began at SIGNATE. The theme of this contest is "detection of the sea-ice area." This article will explain the purpose and points to be considered on images.

Machine Learning

Vessel Detection— Introduction of the analytical approaches used by the winners of the 2nd satellite data analysis contest

We are going to introduce the analytical approaches used by the top three winners in the “Tellus Satellite Challenge”, a vessel detection algorithm competition using satellite data.

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.

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.

Notebooks

When Is Tokyo Disney Land Least Crowded? Congestion Prediction Challenge Using Free Satellite Data (Part 1)

When Is Tokyo Disney Land Least Crowded? Congestion Prediction Challenge Using Free Satellite Data (Part 1)

Notebooks

Where Is the Farthest Visible Point of Mt. Fuji? Analysis Using Elevation Data!

Have you ever wondered, “where is the farthest visible point of Mt. Fuji?”, meaning which areas of Japan can view Mt. Fuji. This time, we Sorabatake members asked Mr. Nagai, assistant professor of Waseda University who wrote the Google Earth Engine article for us before, if it is able to search it using satellite data.

Space business

Space Development x Venture Company List Japan Version, 2019

This year the Japanese space ventures such as ispace, Axelspace, Infostellar or Umitron, are raising funds to accelerate their business one after another. After a year of such a rapid change, Sorabatake will update and introduce Space Development x Venture Companies List Japan Version, 2017 which we have released before!