1. Search the world's information, including webpages, images, videos and more. Google has many special features to help you find exactly what you're looking for.
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For Windows 10/8.1/8/7 32-bit. For Windows 10/8.1/8/7 64-bit. This computer will no longer receive Google Chrome updates because Windows XP and Windows Vista are no longer supported.

About

Satellite images provide a wealth of visual data from which we can visualize in interesting ways. Land Lines is an experiment that lets you explore Google Earth satellite imagery through gesture. “Draw” to find satellite images that match your every line; “Drag” to create an infinite line of connected rivers, highways and coastlines.

Using a combination of machine learning, optimized algorithms, and graphics card power, the experiment is able to run efficiently on your phone’s web browser without a need for backend servers.

Learn more about how the project was created in this technical case study or browse the open-source code on GitHub.

Line Detection

We used a combination of OpenCVStructured Forests and ImageJ’s Ridge Detection to analyze and identify dominant visual lines in the initial dataset of 50,000+ images. This helped cull down the original dataset to just a few thousand of the most interesting images.

Line

For the draw application, we stored the resulting line data in a vantage point tree. Evernote ipad pro apple pencil. This data structure made it fast and easy to find matches from the dataset in real time right in your phone or desktop web browser.

Line Chrome Extension

WebGL

We used Pixi.js, an open source library built upon the WebGL API, to rapidly draw and redraw 2D WebGL graphics without hindering performance.

Google

All images are hosted on Google Cloud Storage so images are served quickly to users worldwide.


Line Google Chrome

Made by Zach Lieberman, Matt Felsen, and the Data Arts Team. Special thanks to Local Projects.

Command Line Google Chrome