update (#109)

* Add docs

* Add mediapipe-selfie-segmenter model

* Update README.md

* Update RTMO model

examples/mediapipe-selfie-segmentation/README.md

@@ -0,0 +1,10 @@
+## Quick Start
+
+```shell
+cargo run -r --example mediapipe-selfie-segmentation -- --dtype f16
+```
+
+
+## Results
+
+![](https://github.com/jamjamjon/assets/releases/download/mediapipe/demo-selfie-segmentaion.jpg)

examples/mediapipe-selfie-segmentation/main.rs

@@ -0,0 +1,49 @@
+use usls::{models::MediaPipeSegmenter, Annotator, Config, DataLoader};
+
+#[derive(argh::FromArgs)]
+/// Example
+struct Args {
+    /// dtype
+    #[argh(option, default = "String::from(\"auto\")")]
+    dtype: String,
+
+    /// device
+    #[argh(option, default = "String::from(\"cpu:0\")")]
+    device: String,
+}
+
+fn main() -> anyhow::Result<()> {
+    tracing_subscriber::fmt()
+        .with_env_filter(tracing_subscriber::EnvFilter::from_default_env())
+        .with_timer(tracing_subscriber::fmt::time::ChronoLocal::rfc_3339())
+        .init();
+    let args: Args = argh::from_env();
+
+    // build model
+    let config = Config::mediapipe_selfie_segmentater()
+        .with_model_dtype(args.dtype.parse()?)
+        .with_model_device(args.device.parse()?)
+        .commit()?;
+    let mut model = MediaPipeSegmenter::new(config)?;
+
+    // load image
+    let xs = DataLoader::try_read_n(&["images/selfie-segmenter.png"])?;
+
+    // run
+    let ys = model.forward(&xs)?;
+
+    // annotate
+    let annotator =
+        Annotator::default().with_mask_style(usls::Style::mask().with_mask_cutout(true));
+    for (x, y) in xs.iter().zip(ys.iter()) {
+        annotator.annotate(x, y)?.save(format!(
+            "{}.jpg",
+            usls::Dir::Current
+                .base_dir_with_subs(&["runs", model.spec()])?
+                .join(usls::timestamp(None))
+                .display(),
+        ))?;
+    }
+
+    Ok(())
+}