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Using rayon to accelerate DB post-processing

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jamjamjon
2025-01-13 22:42:43 +08:00
parent 8c56d5e2a5
commit f511a475ac
8 changed files with 171 additions and 108 deletions
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5
examples/db/README.md
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@ -1,10 +1,13 @@
## Quick Start
```shell
cargo run -r --example db
cargo run -r -F cuda --example db -- --device cuda --dtype fp16
```
## Results
![](https://github.com/jamjamjon/assets/releases/download/db/demo-paper.png)
![](https://github.com/jamjamjon/assets/releases/download/db/demo-slanted-text-number.png)
![](https://github.com/jamjamjon/assets/releases/download/db/demo-table-en.png)
![](https://github.com/jamjamjon/assets/releases/download/db/demo-table-ch.png)
![](https://github.com/jamjamjon/assets/releases/download/db/demo-sign.png)

56
examples/db/main.rs
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@ -4,9 +4,33 @@ use usls::{models::DB, Annotator, DataLoader, Options};
#[derive(argh::FromArgs)]
/// Example
struct Args {
/// model file
#[argh(option)]
model: Option<String>,
/// device
#[argh(option, default = "String::from(\"cpu:0\")")]
device: String,
/// dtype
#[argh(option, default = "String::from(\"auto\")")]
dtype: String,
/// show bboxes
#[argh(option, default = "false")]
show_bboxes: bool,
/// show mbrs
#[argh(option, default = "false")]
show_mbrs: bool,
/// show bboxes confidence
#[argh(option, default = "false")]
show_bboxes_conf: bool,
/// show mbrs confidence
#[argh(option, default = "false")]
show_mbrs_conf: bool,
}
fn main() -> Result<()> {
@ -14,23 +38,26 @@ fn main() -> Result<()> {
.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 options = Options::ppocr_det_v4_server_ch()
.with_model_device(args.device.as_str().try_into()?)
.commit()?;
let mut model = DB::new(options)?;
let options = match &args.model {
Some(m) => Options::db().with_model_file(m),
None => Options::ppocr_det_v4_ch().with_model_dtype(args.dtype.as_str().try_into()?),
};
let mut model = DB::new(
options
.with_model_device(args.device.as_str().try_into()?)
.commit()?,
)?;
// load image
let x = DataLoader::try_read_batch(&[
"images/table.png",
"images/table1.jpg",
"images/table2.png",
"images/table-ch.jpg",
"images/db.png",
"images/table.png",
"images/table-ch.jpg",
"images/street.jpg",
"images/slanted-text-number.jpg",
])?;
// run
@ -38,12 +65,19 @@ fn main() -> Result<()> {
// annotate
let annotator = Annotator::default()
.without_bboxes(true)
.without_mbrs(true)
.without_bboxes(!args.show_bboxes)
.without_mbrs(!args.show_mbrs)
.without_bboxes_name(true)
.without_mbrs_name(true)
.without_bboxes_conf(!args.show_bboxes_conf)
.without_mbrs_conf(!args.show_mbrs_conf)
.with_polygons_alpha(60)
.with_contours_color([255, 105, 180, 255])
.with_saveout(model.spec());
annotator.annotate(&x, &y);
// summary
model.summary();
Ok(())
}