Question 1

What is Fingerpost?

Accepted Answer

Fingerpost is a free, browser-based AI application that performs real-time body pose detection, hand gesture recognition, and facial expression analysis using your webcam. It is powered by Google MediaPipe and runs entirely in your browser. It also includes an interactive air piano that you play by moving your hands in the air.

Question 2

Is Fingerpost free to use?

Accepted Answer

Yes. Fingerpost is completely free. All detection runs locally in your browser using MediaPipe, so there is no cost and no account required.

Question 3

Does Fingerpost store or upload my webcam video?

Accepted Answer

No. Fingerpost processes your webcam feed entirely in your browser. Video frames are analyzed on your device in real time and are never uploaded, stored, or sent to a server.

Question 4

What hand gestures can Fingerpost recognize?

Accepted Answer

Fingerpost recognizes open hand, fist, pointing, peace sign, thumbs up, hang loose (shaka), rock on, three, and several other common gestures in real time using MediaPipe hand landmark tracking.

Question 5

What facial expressions can Fingerpost detect?

Accepted Answer

Fingerpost can detect neutral, smiling, surprised, mouth open, eyes closed, and eyebrows raised facial expressions using MediaPipe face landmark detection.

Question 6

What is the air piano feature?

Accepted Answer

The air piano is an interactive musical feature in Fingerpost. After enabling it, you move your index finger into a virtual key region and below a threshold line to play a note. It uses MediaPipe hand tracking to turn your hands into a playable instrument in the air.

Question 7

What technology does Fingerpost use?

Accepted Answer

Fingerpost is built with React, TypeScript, and Vite, and uses Google MediaPipe Tasks for Vision for pose, hand, and face landmark detection. It runs machine-learning inference on-device in the browser.

Question 8

Which browsers and devices are supported?

Accepted Answer

Fingerpost works on any modern browser that supports WebGL and camera access, including Chrome, Edge, Firefox, and Safari, on desktop and mobile devices with a webcam.