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Add negative prompts to segment-anything. (#1000)

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This commit is contained in:
Laurent Mazare
2023-09-30 07:17:42 +02:00
committed by GitHub
parent 34842fb234
commit 6203ced495
3 changed files with 34 additions and 18 deletions
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33
candle-examples/examples/segment-anything/main.rs
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@ -27,10 +27,16 @@ struct Args {
#[arg(long)]
generate_masks: bool,
/// List of x,y coordinates, between 0 and 1 (0.5 is at the middle of the image).
/// List of x,y coordinates, between 0 and 1 (0.5 is at the middle of the image). These points
/// should be part of the generated mask.
#[arg(long)]
point: Vec<String>,
/// List of x,y coordinates, between 0 and 1 (0.5 is at the middle of the image). These points
/// should not be part of the generated mask and should be part of the background instead.
#[arg(long)]
neg_point: Vec<String>,
/// The detection threshold for the mask, 0 is the default value, negative values mean a larger
/// mask, positive makes the mask more selective.
#[arg(long, default_value_t = 0.)]
@ -107,16 +113,17 @@ pub fn main() -> anyhow::Result<()> {
)?;
}
} else {
let points = args
.point
.iter()
.map(|point| {
let iter_points = args.point.iter().map(|p| (p, true));
let iter_neg_points = args.neg_point.iter().map(|p| (p, false));
let points = iter_points
.chain(iter_neg_points)
.map(|(point, b)| {
use std::str::FromStr;
let xy = point.split(',').collect::<Vec<_>>();
if xy.len() != 2 {
anyhow::bail!("expected format for points is 0.4,0.2")
}
Ok((f64::from_str(xy[0])?, f64::from_str(xy[1])?))
Ok((f64::from_str(xy[0])?, f64::from_str(xy[1])?, b))
})
.collect::<anyhow::Result<Vec<_>>>()?;
let start_time = std::time::Instant::now();
@ -158,15 +165,15 @@ pub fn main() -> anyhow::Result<()> {
}
}
}
for (x, y) in points {
for (x, y, b) in points {
let x = (x * img.width() as f64) as i32;
let y = (y * img.height() as f64) as i32;
imageproc::drawing::draw_filled_circle_mut(
&mut img,
(x, y),
3,
image::Rgba([255, 0, 0, 200]),
);
let color = if b {
image::Rgba([255, 0, 0, 200])
} else {
image::Rgba([0, 255, 0, 200])
};
imageproc::drawing::draw_filled_circle_mut(&mut img, (x, y), 3, color);
}
img.save("sam_merged.jpg")?
}