mediapipe-rs/examples/hand_tracking.rs

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Rust
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2022-06-13 02:46:38 +02:00
use mediapipe::*;
use opencv::prelude::*;
use opencv::{highgui, imgproc, videoio, Result};
pub fn hand_tracking() -> Result<()> {
let window = "video capture";
highgui::named_window(window, highgui::WINDOW_AUTOSIZE)?;
let mut cap = videoio::VideoCapture::new(0, videoio::CAP_ANY)?;
if !cap.is_opened()? {
panic!("Unable to open default cam")
}
cap.set(videoio::CAP_PROP_FRAME_WIDTH, 640.0)?;
cap.set(videoio::CAP_PROP_FRAME_HEIGHT, 480.0)?;
cap.set(videoio::CAP_PROP_FPS, 30.0)?;
let mut detector = hands::HandDetector::default();
let mut raw_frame = Mat::default();
let mut rgb_frame = Mat::default();
let mut flip_frame = Mat::default();
loop {
cap.read(&mut raw_frame)?;
let size = raw_frame.size()?;
if size.width > 0 && !raw_frame.empty() {
imgproc::cvt_color(&raw_frame, &mut rgb_frame, imgproc::COLOR_BGR2RGB, 0)?;
opencv::core::flip(&rgb_frame, &mut flip_frame, 1)?; // horizontal
println!("processing");
let result = detector.process(&flip_frame);
highgui::imshow(window, &mut flip_frame)?;
if !result.is_empty() {
let landmark = result[0][0];
println!("LANDMARK: {} {} {}", landmark.x, landmark.y, landmark.z);
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}
} else {
println!("WARN: Skip empty frame");
}
let key = highgui::wait_key(10)?;
if key > 0 && key != 255 {
break;
}
}
Ok(())
}
fn main() {
hand_tracking().unwrap()
}