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Satellite Data

【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.

News

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.

Satellite Data

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?

Special

What’s “Tellus Trainer”? An e-learning service that you can learn satellite data analysis at home!

Our e-learning service, "Tellus Trainer,” allows you to learn satellite data analysis at home. But how does it work? In this article, we would like to explain it in detail.

Satellite Data

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.

Satellite Data

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.

Satellite Data

[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.

Satellite Data

[How to Use Tellus from Scratch] Get data from the Automated Meteorological Data Acquisition System (AMeDAS) on JupyterLab

You can get observed data values at one-minute intervals of rain, anemometers, thermometers, sunshine recorders and snow gauges of the Automated Meteorological Data Acquisition System (AMeDAS) on Tellus. In this post, we'll show you how to get this AMeDAS data using JupyterLab on Tellus.

Satellite Data

【Tellus ver1.2 has brought you new and enhanced tools!】New features and how to use them

On June 28, 2019, we released ver1.1 of the satellite data platform "Tellus". Let's look at new features of the updated Tellus OS and how to use them.

Satellite Data

[How to Use Tellus from Scratch] Create an Elevation Graph of Mt. Fuji using Jupyter Lab

ASTER GDEM is a Digital Elevation Model (DEM) created based on the observational data of the optical sensor "ASTER" on NASA's Earth Observation Satellite, Terra. In this article, we will introduce how to create an elevation graph of Mt. Fuji with Jupyter Lab on Tellus using ASTER GDEM 2 elevation data.

Satellite Data

[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.

Satellite Data

[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.

Satellite Data

[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.

Satellite Data

Tellus releases major updates! — Tellus ver1.1 can now support JupyterLab, the R programming language with newly added data, as well as greatly improving its UI and UX!

Tellus ver1.1 was released on June 28, 2019. Tellus ver1.1 now supports JupyterLab and the R programming language. It has added 200 scenes from ASNARO-2 as well as location information data, and improved many aspects of its UI/UX with updated content!

Satellite Data

[How to Use Tellus from Scratch] Obtain high-resolution images from “TSUBAME” (SLATS), using Jupyter Notebook.

We would like to introduce and explain how to obtain high-resolution images from the Super Low Altitude Test Satellite “TSUBAME” (SLATS), using Jupyter Notebook on Tellus.

Satellite Data

Satellite Images from “TSUBAME” Taken Everyday for a Month Released in Tellus!

Satellite data from JAXA’s Super Low Altitude Test Satellite “TSUBAME”(SLATS) is now released in Tellus! We will show the SORABATAKE style of enjoying the images taken from “TSUBAME”.

Satellite Data

API Available in the Developing Environment of Tellus

Since API is now available on Tellus, we would like to introduce some functions of the Jupyter Notebook through vegetation analysis.

Satellite Data

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.