Engauge Digitizer

interactively convert a bitmap graph or map into numbers

Not tested on a device yet. What that means

Engauge Digitizer in Breadstick

Breadstick runs Debian's own engauge-digitizer package for ARM64, the build a Debian 13 computer with an ARM processor installs, so Engauge Digitizer should look and behave as it does on a Linux PC. On Samsung DeX, Floating mode opens it as its own window beside your Android apps, and Desktop mode runs it on a full Linux desktop.

Everything runs on the device's own processor, with no GPU compute, and instruments attached over USB are not visible to Linux apps. More about science apps in Breadstick.

About Engauge Digitizer

From the project's description

The Engauge Digitizer tool assists in interactively extracting numbers from images of graphs. Conceptually, it is thus the opposite of a graphing tool that converts data points to graphs. It provides assistance in enhancing the image quality and matching the data points. Engauge Digitizer is used by individuals such as grad students and researchers as well as engineers and employees in large government and commercial organizations for processing single files but also managing databases of thousands of image files.
Features of Engauge Digitizer include:
Automatic grid line removal
Automatic point and axis matching
Automatic curve tracing
Image processing for separating important details from background information
A wizard providing an interactive tutorial to explain the basic steps
Multiple coordinate systems in the same image can be digitized in advanced mode
Cubic spline interpolation between points gives more accurate curves with fewer points
Handling of cartesian, polar, linear and logarithmic graphs
Support for drag-and-drop and copy-and-paste
Context-sensitive help, user manual and tutorials explaining every feature
Preview windows to give immediate feedback while modifying settings
Automated line and point extraction to rapidly digitize data

From the project's AppStream metadata in Debian's engauge-digitizer package, under CC0.

Developer: Mark Mitchell
Keywords: Analog-Digital Converter
Menu categories: Data visualization, Math, Education, Science

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Sources and licenses

Name, summary and description: the project's AppStream metadata in Debian's engauge-digitizer package, under CC0.
Icon: the project's own, from Debian's AppStream icon cache for the engauge-digitizer package; the project's license is GPL-2.0+.
Versions and sizes: Debian's archive for ARM64, as on packages.debian.org.
Popularity: Debian Popularity Contest counts.