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@@ +The images in this folder are originally from here: + + http://images.cocodataset.org/zips/val2017.zip diff --git a/build.sh b/build.sh index 6c0d0f2..c3ec8fa 100755 --- a/build.sh +++ b/build.sh @@ -30,7 +30,6 @@ else pushd build wget --no-clobber --directory-prefix=$RUST_BUILD_DIR $FIXTURE/mobilenet.bin wget --no-clobber --directory-prefix=$RUST_BUILD_DIR $FIXTURE/mobilenet.xml - wget --no-clobber --directory-prefix=$RUST_BUILD_DIR $FIXTURE/tensor-1x224x224x3-f32.bgr wasmtime run --mapdir fixture::$RUST_BUILD_DIR wasi-nn-example.wasm ;; *) diff --git a/rust/examples/classification-example/Cargo.lock b/rust/examples/classification-example/Cargo.lock index cd5693f..9e0972f 100644 --- a/rust/examples/classification-example/Cargo.lock +++ b/rust/examples/classification-example/Cargo.lock @@ -1,5 +1,196 @@ # This file is automatically @generated by Cargo. # It is not intended for manual editing. +[[package]] +name = "adler" +version = "1.0.2" +source = 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"9a53f4706d65497df0c4349241deddf35f84cee19c87ed86ea8ca590f4464437" +dependencies = [ + "jpeg-decoder", + "miniz_oxide 0.4.4", + "weezl", +] + [[package]] name = "wasi-nn" version = "0.1.0" @@ -8,5 +199,12 @@ version = "0.1.0" name = "wasi-nn-example" version = "0.19.0" dependencies = [ + "image", "wasi-nn", ] + +[[package]] +name = "weezl" +version = "0.1.5" +source = "registry+https://github.com/rust-lang/crates.io-index" +checksum = "d8b77fdfd5a253be4ab714e4ffa3c49caf146b4de743e97510c0656cf90f1e8e" diff --git a/rust/examples/classification-example/Cargo.toml b/rust/examples/classification-example/Cargo.toml index 2edba81..3952284 100644 --- a/rust/examples/classification-example/Cargo.toml +++ b/rust/examples/classification-example/Cargo.toml @@ -7,6 +7,7 @@ edition = "2018" publish = false [dependencies] +image = { version = "0.23.14", default-features = false, features = ["gif", "jpeg", "ico", "png", "pnm", "tga", "tiff", "webp", "bmp", "hdr", "dxt", "dds", "farbfeld"] } wasi-nn = { path = "../../", version = "0.1.0" } # This crate is built with the wasm32-wasi target, so it's separate diff --git a/rust/examples/classification-example/src/main.rs b/rust/examples/classification-example/src/main.rs index 5544b47..cee10e2 100644 --- a/rust/examples/classification-example/src/main.rs +++ b/rust/examples/classification-example/src/main.rs @@ -1,3 +1,5 @@ +use image::{DynamicImage}; +use image::io::Reader; use std::convert::TryInto; use std::fs; use wasi_nn; @@ -25,9 +27,9 @@ pub fn main() { // Load a tensor that precisely matches the graph input tensor (see // `fixture/frozen_inference_graph.xml`). - for i in 0..4 { - let filename: String = format!("{}{}{}", "fixture/images/", i, ".bgr"); - let tensor_data = fs::read(filename).unwrap(); + for i in 0..5 { + let filename: String = format!("{}{}{}", "fixture/images/", i, ".jpg"); + let tensor_data = image_to_tensor(filename, 224, 224); println!("Read input tensor, size in bytes: {}", tensor_data.len()); let tensor = wasi_nn::Tensor { dimensions: &[1, 3, 224, 224], @@ -83,6 +85,29 @@ fn sort_results(buffer: &[f32]) -> Vec { results } +// Take the image located at 'path', open it, resize it to height x width, and then converts +// the pixel precision to FP32. The resulting BGR pixel vector is then returned. +fn image_to_tensor(path: String, height: u32, width: u32) -> Vec { + let pixels = Reader::open(path).unwrap().decode().unwrap(); + let dyn_img: DynamicImage = pixels.resize_exact(width, height, image::imageops::Triangle); + let bgr_img = dyn_img.to_bgr8(); + // Get an array of the pixel values + let raw_u8_arr: &[u8] = &bgr_img.as_raw()[..]; + // Create an array to hold the f32 value of those pixels + let bytes_required = raw_u8_arr.len() * 4; + let mut u8_f32_arr:Vec = vec![0; bytes_required]; + + for i in 0..raw_u8_arr.len() { + // Read the number as a f32 and break it into u8 bytes + let u8_f32: f32 = raw_u8_arr[i] as f32; + let u8_bytes = u8_f32.to_ne_bytes(); + + for j in 0..4 { + u8_f32_arr[(i * 4) + j] = u8_bytes[j]; + } + } + return u8_f32_arr; +} // A wrapper for class ID and match probabilities. #[derive(Debug, PartialEq)] struct InferenceResult(usize, f32); diff --git a/rust/images/0.bgr b/rust/images/0.bgr deleted file mode 100644 index b75229e..0000000 Binary files a/rust/images/0.bgr and /dev/null differ diff --git a/rust/images/0.jpg b/rust/images/0.jpg new file mode 100644 index 0000000..19ec50b Binary files /dev/null and b/rust/images/0.jpg differ diff --git a/rust/images/1.bgr b/rust/images/1.bgr deleted file mode 100644 index 1cbdec5..0000000 Binary files a/rust/images/1.bgr and /dev/null differ diff --git a/rust/images/1.jpg b/rust/images/1.jpg new file mode 100644 index 0000000..07132aa Binary files /dev/null and b/rust/images/1.jpg differ diff --git a/rust/images/2.bgr b/rust/images/2.bgr deleted file mode 100644 index 1d11d64..0000000 Binary files a/rust/images/2.bgr and /dev/null differ diff --git a/rust/images/2.jpg b/rust/images/2.jpg new file mode 100644 index 0000000..886ccbd Binary files /dev/null and b/rust/images/2.jpg differ diff --git a/rust/images/3.bgr b/rust/images/3.bgr deleted file mode 100644 index ad8a7fa..0000000 Binary files a/rust/images/3.bgr and /dev/null differ diff --git a/rust/images/3.jpg b/rust/images/3.jpg new file mode 100644 index 0000000..b6953e2 Binary files /dev/null and b/rust/images/3.jpg differ diff --git a/rust/images/4.bgr b/rust/images/4.bgr deleted file mode 100644 index b94b39c..0000000 Binary files a/rust/images/4.bgr and /dev/null differ diff --git a/rust/images/4.jpg b/rust/images/4.jpg new file mode 100644 index 0000000..365b1bb Binary files /dev/null and b/rust/images/4.jpg differ diff --git a/rust/images/LICENSE b/rust/images/LICENSE new file mode 100644 index 0000000..7a4a3ea --- /dev/null +++ b/rust/images/LICENSE @@ -0,0 +1,202 @@ + + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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