| <!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `/root/.cargo/git/checkouts/incubator-teaclave-crates-c8106113f74feefc/ede1f68/rustface/src/detector/mod.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>mod.rs - source</title><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Regular.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../FiraSans-Medium.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Regular.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceSerif4-Bold.ttf.woff2"><link rel="preload" as="font" type="font/woff2" crossorigin href="../../../SourceCodePro-Semibold.ttf.woff2"><link rel="stylesheet" href="../../../normalize.css"><link rel="stylesheet" href="../../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" href="../../../ayu.css" disabled><link rel="stylesheet" href="../../../dark.css" disabled><link rel="stylesheet" href="../../../light.css" id="themeStyle"><script id="default-settings" ></script><script src="../../../storage.js"></script><script defer src="../../../source-script.js"></script><script defer src="../../../source-files.js"></script><script defer src="../../../main.js"></script><noscript><link rel="stylesheet" href="../../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../../favicon.svg"></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><a class="sidebar-logo" href="../../../rustface/index.html"><div class="logo-container"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></div></a></nav><main><div class="width-limiter"><nav class="sub"><a class="sub-logo-container" href="../../../rustface/index.html"><img class="rust-logo" src="../../../rust-logo.svg" alt="logo"></a><form class="search-form"><div class="search-container"><span></span><input class="search-input" name="search" autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"><div id="help-button" title="help" tabindex="-1"><a href="../../../help.html">?</a></div><div id="settings-menu" tabindex="-1"><a href="../../../settings.html" title="settings"><img width="22" height="22" alt="Change settings" src="../../../wheel.svg"></a></div></div></form></nav><section id="main-content" class="content"><div class="example-wrap"><pre class="src-line-numbers"><span id="1">1</span> |
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| <span id="537">537</span> |
| <span id="538">538</span> |
| <span id="539">539</span> |
| </pre><pre class="rust"><code><span class="comment">// This file is part of the open-source port of SeetaFace engine, which originally includes three modules: |
| // SeetaFace Detection, SeetaFace Alignment, and SeetaFace Identification. |
| // |
| // This file is part of the SeetaFace Detection module, containing codes implementing the face detection method described in the following paper: |
| // |
| // Funnel-structured cascade for multi-view face detection with alignment awareness, |
| // Shuzhe Wu, Meina Kan, Zhenliang He, Shiguang Shan, Xilin Chen. |
| // In Neurocomputing (under review) |
| // |
| // Copyright (C) 2016, Visual Information Processing and Learning (VIPL) group, |
| // Institute of Computing Technology, Chinese Academy of Sciences, Beijing, China. |
| // |
| // As an open-source face recognition engine: you can redistribute SeetaFace source codes |
| // and/or modify it under the terms of the BSD 2-Clause License. |
| // |
| // You should have received a copy of the BSD 2-Clause License along with the software. |
| // If not, see < https://opensource.org/licenses/BSD-2-Clause>. |
| |
| </span><span class="kw">use </span>std::cmp::Ordering::<span class="kw-2">*</span>; |
| <span class="kw">use </span>std::{cmp, ptr}; |
| |
| <span class="kw">use </span><span class="kw">crate</span>::classifier::{Classifier, Score, SurfMlpBuffers}; |
| <span class="kw">use </span><span class="kw">crate</span>::common::{resize_image, FaceInfo, ImageData, ImagePyramid, Rectangle, Seq}; |
| <span class="kw">use </span><span class="kw">crate</span>::feat::FeatureMap; |
| <span class="kw">use </span><span class="kw">crate</span>::feat::LabBoostedFeatureMap; |
| <span class="kw">use </span><span class="kw">crate</span>::feat::SurfMlpFeatureMap; |
| <span class="kw">use </span><span class="kw">crate</span>::model::Model; |
| <span class="kw">use </span><span class="kw">crate</span>::Detector; |
| |
| <span class="kw">const </span>FUST_MIN_WINDOW_SIZE: u32 = <span class="number">20</span>; |
| |
| <span class="kw">impl </span>Detector <span class="kw">for </span>FuStDetector { |
| <span class="kw">fn </span>detect(<span class="kw-2">&mut </span><span class="self">self</span>, image: <span class="kw-2">&</span>ImageData) -> Vec<FaceInfo> { |
| <span class="kw">if </span>!is_legal_image(image) { |
| <span class="macro">panic!</span>(<span class="string">"Illegal image: {:?}"</span>, image); |
| } |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>min_img_size = cmp::min(image.height(), image.width()); |
| <span class="kw">if </span><span class="self">self</span>.max_face_size > <span class="number">0 </span>{ |
| min_img_size = cmp::min(<span class="self">self</span>.max_face_size <span class="kw">as </span>u32, min_img_size); |
| } |
| |
| <span class="kw">const </span>K_WND_SIZE: f32 = <span class="number">40.0</span>; |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>image_pyramid = ImagePyramid::new(); |
| image_pyramid.set_image_1x(image.data(), image.width(), image.height()); |
| <span class="comment">// TODO: uncomment (expect perf hit) |
| // image_pyramid.set_max_scale(K_WND_SIZE / self.min_face_size as f32); |
| </span>image_pyramid.set_min_scale(K_WND_SIZE / min_img_size <span class="kw">as </span>f32); |
| image_pyramid.set_scale_step(<span class="self">self</span>.image_pyramid_scale_factor); |
| <span class="self">self</span>.set_window_size(K_WND_SIZE <span class="kw">as </span>u32); |
| |
| <span class="self">self</span>.detect_impl(<span class="kw-2">&mut </span>image_pyramid) |
| .into_iter() |
| .filter(|x| x.score() >= <span class="self">self</span>.cls_thresh) |
| .collect() |
| } |
| |
| <span class="kw">fn </span>set_window_size(<span class="kw-2">&mut </span><span class="self">self</span>, wnd_size: u32) { |
| <span class="kw">if </span>wnd_size < FUST_MIN_WINDOW_SIZE { |
| <span class="macro">panic!</span>(<span class="string">"Illegal window size: {}"</span>, wnd_size); |
| } |
| <span class="self">self</span>.wnd_size = wnd_size; |
| } |
| |
| <span class="kw">fn </span>set_slide_window_step(<span class="kw-2">&mut </span><span class="self">self</span>, step_x: u32, step_y: u32) { |
| <span class="kw">if </span>step_x <= <span class="number">0 </span>{ |
| <span class="macro">panic!</span>(<span class="string">"Illegal horizontal step: {}"</span>, step_x); |
| } |
| <span class="kw">if </span>step_y <= <span class="number">0 </span>{ |
| <span class="macro">panic!</span>(<span class="string">"Illegal vertical step: {}"</span>, step_y); |
| } |
| <span class="self">self</span>.slide_wnd_step_x = step_x; |
| <span class="self">self</span>.slide_wnd_step_y = step_y; |
| } |
| |
| <span class="kw">fn </span>set_min_face_size(<span class="kw-2">&mut </span><span class="self">self</span>, min_face_size: u32) { |
| <span class="kw">if </span>min_face_size < FUST_MIN_WINDOW_SIZE { |
| <span class="macro">panic!</span>(<span class="string">"Illegal min face size: {}"</span>, min_face_size); |
| } |
| <span class="self">self</span>.min_face_size = min_face_size <span class="kw">as </span>i32; |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>set_max_face_size(<span class="kw-2">&mut </span><span class="self">self</span>, max_face_size: u32) { |
| <span class="self">self</span>.max_face_size = max_face_size <span class="kw">as </span>i32; |
| } |
| |
| <span class="kw">fn </span>set_pyramid_scale_factor(<span class="kw-2">&mut </span><span class="self">self</span>, scale_factor: f32) { |
| <span class="kw">if </span>scale_factor < <span class="number">0.01 </span>|| scale_factor > <span class="number">0.99 </span>{ |
| <span class="macro">panic!</span>(<span class="string">"Illegal scale factor: {}"</span>, scale_factor); |
| } |
| <span class="self">self</span>.image_pyramid_scale_factor = scale_factor; |
| } |
| |
| <span class="kw">fn </span>set_score_thresh(<span class="kw-2">&mut </span><span class="self">self</span>, thresh: f64) { |
| <span class="kw">if </span>thresh <= <span class="number">0.0 </span>{ |
| <span class="macro">panic!</span>(<span class="string">"Illegal threshold: {}"</span>, thresh); |
| } |
| <span class="self">self</span>.cls_thresh = thresh; |
| } |
| } |
| |
| <span class="attribute">#[inline] |
| </span><span class="kw">fn </span>is_legal_image(image: <span class="kw-2">&</span>ImageData) -> bool { |
| image.num_channels() == <span class="number">1 </span>&& image.width() > <span class="number">0 </span>&& image.height() > <span class="number">0 |
| </span>} |
| |
| <span class="kw">pub struct </span>FuStDetector { |
| feature_maps: FeatureMaps, |
| model: Model, |
| wnd_data_buf: Vec<u8>, |
| wnd_data: Vec<u8>, |
| wnd_size: u32, |
| slide_wnd_step_x: u32, |
| slide_wnd_step_y: u32, |
| min_face_size: i32, |
| max_face_size: i32, |
| cls_thresh: f64, |
| image_pyramid_scale_factor: f32, |
| } |
| |
| <span class="kw">struct </span>FeatureMaps { |
| lab_boosted: LabBoostedFeatureMap, |
| surf_mlp: SurfMlpFeatureMap, |
| surf_buf: SurfMlpBuffers, |
| } |
| |
| <span class="kw">impl </span>FuStDetector { |
| <span class="kw">pub fn </span>new(model: Model) -> <span class="self">Self </span>{ |
| <span class="kw">let </span>wnd_size = <span class="number">40</span>; |
| <span class="kw">let </span>slide_wnd_step_x = <span class="number">4</span>; |
| <span class="kw">let </span>slide_wnd_step_y = <span class="number">4</span>; |
| |
| FuStDetector { |
| feature_maps: FeatureMaps { |
| lab_boosted: LabBoostedFeatureMap::new(), |
| surf_mlp: SurfMlpFeatureMap::new(), |
| surf_buf: SurfMlpBuffers::new(), |
| }, |
| model, |
| wnd_data_buf: <span class="macro">vec!</span>[<span class="number">0</span>; (wnd_size * wnd_size) <span class="kw">as </span>usize], |
| wnd_data: <span class="macro">vec!</span>[<span class="number">0</span>; (wnd_size * wnd_size) <span class="kw">as </span>usize], |
| wnd_size, |
| slide_wnd_step_x, |
| slide_wnd_step_y, |
| min_face_size: <span class="number">20</span>, |
| max_face_size: -<span class="number">1</span>, |
| cls_thresh: <span class="number">3.85</span>, |
| image_pyramid_scale_factor: <span class="number">0.8</span>, |
| } |
| } |
| |
| <span class="kw">fn </span>feature_map_for_classifier<<span class="lifetime">'a</span>>( |
| classifier: <span class="kw-2">&</span>Classifier, |
| maps: <span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span>FeatureMaps, |
| ) -> <span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw-2">mut </span><span class="kw">dyn </span>FeatureMap { |
| <span class="kw">match </span>classifier { |
| Classifier::LabBoosted(<span class="kw">_</span>) => <span class="kw-2">&mut </span>maps.lab_boosted, |
| Classifier::SurfMlp(<span class="kw">_</span>) => <span class="kw-2">&mut </span>maps.surf_mlp, |
| } |
| } |
| |
| <span class="kw">fn </span>classify_with_classifier( |
| classifier: <span class="kw-2">&</span>Classifier, |
| output: <span class="prelude-ty">Option</span><<span class="kw-2">&mut </span>Vec<f32>>, |
| maps: <span class="kw-2">&mut </span>FeatureMaps, |
| roi: Rectangle, |
| ) -> Score { |
| <span class="kw">match </span>classifier { |
| Classifier::SurfMlp(c) => { |
| c.classify(output, <span class="kw-2">&mut </span>maps.surf_buf, <span class="kw-2">&mut </span>maps.surf_mlp, roi) |
| } |
| Classifier::LabBoosted(c) => c.classify(<span class="kw-2">&mut </span>maps.lab_boosted, roi), |
| } |
| } |
| |
| <span class="kw">fn </span>get_window_data(<span class="kw-2">&mut </span><span class="self">self</span>, img: <span class="kw-2">&</span>ImageData, wnd: <span class="kw-2">&mut </span>Rectangle) { |
| <span class="kw">let </span>roi = wnd; |
| |
| <span class="kw">let </span>roi_width = roi.width() <span class="kw">as </span>i32; |
| <span class="kw">let </span>roi_height = roi.height() <span class="kw">as </span>i32; |
| <span class="kw">let </span>img_width = img.width() <span class="kw">as </span>i32; |
| <span class="kw">let </span>img_height = img.height() <span class="kw">as </span>i32; |
| |
| <span class="kw">let </span>pad_right = cmp::max(roi.x() + roi_width - img_width, <span class="number">0</span>); |
| <span class="kw">let </span>pad_left = <span class="kw">if </span>roi.x() >= <span class="number">0 </span>{ |
| <span class="number">0 |
| </span>} <span class="kw">else </span>{ |
| <span class="kw">let </span>t = roi.x(); |
| roi.set_x(<span class="number">0</span>); |
| -t |
| }; |
| <span class="kw">let </span>pad_bottom = cmp::max(roi.y() + roi_height - img_height, <span class="number">0</span>); |
| <span class="kw">let </span>pad_top = <span class="kw">if </span>roi.y() >= <span class="number">0 </span>{ |
| <span class="number">0 |
| </span>} <span class="kw">else </span>{ |
| <span class="kw">let </span>t = roi.y(); |
| roi.set_y(<span class="number">0</span>); |
| -t |
| }; |
| |
| <span class="self">self</span>.wnd_data_buf |
| .resize((roi_width * roi_height) <span class="kw">as </span>usize, <span class="number">0</span>); |
| <span class="kw">let </span><span class="kw-2">mut </span>src; |
| <span class="kw">unsafe </span>{ |
| src = img |
| .data() |
| .as_ptr() |
| .offset((roi.y() * img_width + roi.x()) <span class="kw">as </span>isize); |
| } |
| <span class="kw">let </span><span class="kw-2">mut </span>dest = <span class="self">self</span>.wnd_data_buf.as_mut_ptr(); |
| <span class="kw">let </span>len = roi_width <span class="kw">as </span>usize; |
| <span class="kw">let </span>len2 = (roi_width - pad_left - pad_right) <span class="kw">as </span>usize; |
| |
| <span class="kw">if </span>pad_top > <span class="number">0 </span>{ |
| <span class="kw">unsafe </span>{ |
| ptr::write_bytes(dest, <span class="number">0</span>, len * pad_top <span class="kw">as </span>usize); |
| dest = dest.offset((roi_width * pad_top) <span class="kw">as </span>isize); |
| } |
| } |
| |
| <span class="kw">match </span>(pad_left, pad_right) { |
| (<span class="number">0</span>, <span class="number">0</span>) => { |
| <span class="kw">for </span>_y <span class="kw">in </span>pad_top..(roi_height - pad_bottom) { |
| <span class="kw">unsafe </span>{ |
| ptr::copy_nonoverlapping(src, dest, len); |
| src = src.offset(img_width <span class="kw">as </span>isize); |
| dest = dest.offset(roi_width <span class="kw">as </span>isize); |
| } |
| } |
| } |
| (<span class="number">0</span>, <span class="kw">_</span>) => { |
| <span class="kw">for </span>_y <span class="kw">in </span>pad_top..(roi_height - pad_bottom) { |
| <span class="kw">unsafe </span>{ |
| ptr::copy_nonoverlapping(src, dest, len2); |
| src = src.offset(img_width <span class="kw">as </span>isize); |
| dest = dest.offset(roi_width <span class="kw">as </span>isize); |
| ptr::write_bytes(dest.offset(-pad_right <span class="kw">as </span>isize), <span class="number">0</span>, pad_right <span class="kw">as </span>usize); |
| } |
| } |
| } |
| (<span class="kw">_</span>, <span class="number">0</span>) => { |
| <span class="kw">for </span>_y <span class="kw">in </span>pad_top..(roi_height - pad_bottom) { |
| <span class="kw">unsafe </span>{ |
| ptr::write_bytes(dest, <span class="number">0</span>, pad_left <span class="kw">as </span>usize); |
| ptr::copy_nonoverlapping(src, dest.offset(pad_left <span class="kw">as </span>isize), len2); |
| src = src.offset(img_width <span class="kw">as </span>isize); |
| dest = dest.offset(roi_width <span class="kw">as </span>isize); |
| } |
| } |
| } |
| (<span class="kw">_</span>, <span class="kw">_</span>) => { |
| <span class="kw">for </span>_y <span class="kw">in </span>pad_top..(roi_height - pad_bottom) { |
| <span class="kw">unsafe </span>{ |
| ptr::write_bytes(dest, <span class="number">0</span>, pad_left <span class="kw">as </span>usize); |
| ptr::copy_nonoverlapping(src, dest.offset(pad_left <span class="kw">as </span>isize), len2); |
| src = src.offset(img_width <span class="kw">as </span>isize); |
| dest = dest.offset(roi_width <span class="kw">as </span>isize); |
| ptr::write_bytes(dest.offset(-pad_right <span class="kw">as </span>isize), <span class="number">0</span>, pad_right <span class="kw">as </span>usize); |
| } |
| } |
| } |
| } |
| |
| <span class="kw">if </span>pad_bottom > <span class="number">0 </span>{ |
| <span class="kw">unsafe </span>{ |
| ptr::write_bytes(dest, <span class="number">0</span>, len * pad_bottom <span class="kw">as </span>usize); |
| } |
| } |
| |
| <span class="kw">let </span>src_img = ImageData::new(<span class="kw-2">&</span><span class="self">self</span>.wnd_data_buf, roi.width(), roi.height()); |
| resize_image(<span class="kw-2">&</span>src_img, <span class="kw-2">&mut </span><span class="self">self</span>.wnd_data, <span class="self">self</span>.wnd_size, <span class="self">self</span>.wnd_size); |
| } |
| |
| <span class="kw">fn </span>detect_impl(<span class="kw-2">&mut </span><span class="self">self</span>, image: <span class="kw-2">&mut </span>ImagePyramid) -> Vec<FaceInfo> { |
| <span class="kw">let </span>first_hierarchy_size = <span class="self">self</span>.model.get_hierarchy_size(<span class="number">0</span>) <span class="kw">as </span>usize; |
| <span class="kw">let </span><span class="kw-2">mut </span>proposals = <span class="macro">vec!</span>[Vec::new(); first_hierarchy_size]; |
| <span class="kw">let </span><span class="kw-2">mut </span>proposals_nms = <span class="macro">vec!</span>[Vec::new(); first_hierarchy_size]; |
| |
| <span class="kw">while let </span><span class="prelude-val">Some</span>((image_scaled, scale_factor)) = image.get_next_scale_image() { |
| <span class="self">Self</span>::feature_map_for_classifier( |
| <span class="kw-2">&</span><span class="self">self</span>.model.get_classifiers()[<span class="number">0</span>], |
| <span class="kw-2">&mut </span><span class="self">self</span>.feature_maps, |
| ) |
| .compute(<span class="kw-2">&</span>image_scaled); |
| |
| <span class="kw">let </span>step_x = <span class="self">self</span>.slide_wnd_step_x; |
| <span class="kw">let </span>step_y = <span class="self">self</span>.slide_wnd_step_y; |
| <span class="kw">let </span>max_x = image_scaled.width() - <span class="self">self</span>.wnd_size; |
| <span class="kw">let </span>max_y = image_scaled.height() - <span class="self">self</span>.wnd_size; |
| |
| <span class="kw">for </span>y <span class="kw">in </span>Seq::new(<span class="number">0</span>, <span class="kw">move </span>|n| n + step_y).take_while(<span class="kw">move </span>|n| <span class="kw-2">*</span>n <= max_y) { |
| <span class="kw">for </span>x <span class="kw">in </span>Seq::new(<span class="number">0</span>, <span class="kw">move </span>|n| n + step_x).take_while(<span class="kw">move </span>|n| <span class="kw-2">*</span>n <= max_x) { |
| <span class="kw">let </span>rect = Rectangle::new(x <span class="kw">as </span>i32, y <span class="kw">as </span>i32, <span class="self">self</span>.wnd_size, <span class="self">self</span>.wnd_size); |
| <span class="self">Self</span>::feature_map_for_classifier( |
| <span class="kw-2">&</span><span class="self">self</span>.model.get_classifiers()[<span class="number">0</span>], |
| <span class="kw-2">&mut </span><span class="self">self</span>.feature_maps, |
| ); |
| |
| <span class="kw">for </span>(classifier, proposal) <span class="kw">in </span><span class="self">self |
| </span>.model |
| .get_classifiers() |
| .iter() |
| .zip(proposals.iter_mut()) |
| .take(first_hierarchy_size) |
| { |
| <span class="kw">let </span>score = <span class="self">Self</span>::classify_with_classifier( |
| classifier, |
| <span class="prelude-val">None</span>, |
| <span class="kw-2">&mut </span><span class="self">self</span>.feature_maps, |
| rect, |
| ); |
| <span class="kw">if </span>score.is_positive() { |
| <span class="kw">let </span><span class="kw-2">mut </span>wnd_info = FaceInfo::new(); |
| <span class="kw">let </span>bbox = wnd_info.bbox_mut(); |
| bbox.set_x((x <span class="kw">as </span>f32 / scale_factor + <span class="number">0.5</span>) <span class="kw">as </span>i32); |
| bbox.set_y((y <span class="kw">as </span>f32 / scale_factor + <span class="number">0.5</span>) <span class="kw">as </span>i32); |
| <span class="kw">let </span>width = (<span class="self">self</span>.wnd_size <span class="kw">as </span>f32 / scale_factor + <span class="number">0.5</span>) <span class="kw">as </span>u32; |
| bbox.set_width(width); |
| bbox.set_height(width); |
| wnd_info.set_score(f64::from(score.score())); |
| proposal.push(wnd_info); |
| } |
| } |
| } |
| } |
| } |
| |
| <span class="kw">for </span>i <span class="kw">in </span><span class="number">0</span>..first_hierarchy_size { |
| non_maximum_suppression(<span class="kw-2">&mut </span>proposals[i], <span class="kw-2">&mut </span>proposals_nms[i], <span class="number">0.8</span>); |
| proposals[i].clear(); |
| } |
| |
| <span class="kw">let </span>image1x = image.get_image_1x(); |
| <span class="kw">let </span><span class="kw-2">mut </span>mlp_predicts: Vec<f32> = <span class="macro">vec!</span>[<span class="number">0.0</span>; <span class="number">4</span>]; |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>cls_idx = first_hierarchy_size; |
| <span class="kw">let </span><span class="kw-2">mut </span>model_idx = first_hierarchy_size; |
| <span class="kw">let </span><span class="kw-2">mut </span>buf_idx: Vec<i32> = Vec::new(); |
| |
| <span class="kw">for </span>i <span class="kw">in </span><span class="number">1</span>..<span class="self">self</span>.model.get_hierarchy_count() { |
| <span class="kw">let </span>hierarchy_size_i = <span class="self">self</span>.model.get_hierarchy_size(i) <span class="kw">as </span>usize; |
| <span class="kw">if </span>buf_idx.len() < hierarchy_size_i { |
| buf_idx.resize(hierarchy_size_i, <span class="number">0</span>); |
| } |
| |
| <span class="kw">for </span>r <span class="kw">in </span>buf_idx.iter_mut().take(hierarchy_size_i <span class="kw">as </span>usize) { |
| { |
| <span class="kw">let </span>wnd_src = <span class="self">self</span>.model.get_wnd_src(cls_idx); |
| <span class="kw-2">*</span>r = wnd_src[<span class="number">0</span>]; |
| <span class="kw">let </span>num_wnd_src = wnd_src.len(); |
| <span class="kw">let </span>r = <span class="kw-2">*</span>r <span class="kw">as </span>usize; |
| proposals[r].clear(); |
| |
| <span class="kw">for </span>k <span class="kw">in </span>wnd_src.iter().take(num_wnd_src) { |
| <span class="kw">for </span>item <span class="kw">in </span><span class="kw-2">&</span>proposals_nms[<span class="kw-2">*</span>k <span class="kw">as </span>usize] { |
| <span class="kw">let </span>last_index = proposals[r].len(); |
| proposals[r].insert(last_index, item.clone()); |
| } |
| } |
| } |
| <span class="kw">let </span>r = <span class="kw-2">*</span>r <span class="kw">as </span>usize; |
| |
| <span class="kw">let </span>k_max = <span class="self">self</span>.model.get_num_stage(cls_idx); |
| <span class="kw">for </span>k <span class="kw">in </span><span class="number">0</span>..k_max { |
| <span class="kw">let </span><span class="kw-2">mut </span>bbox_id = <span class="number">0</span>; |
| { |
| <span class="kw">let </span>num_wnd = proposals[r].len(); |
| <span class="kw">let </span>bboxes = <span class="kw-2">&mut </span>proposals[r]; |
| |
| <span class="kw">for </span>m <span class="kw">in </span><span class="number">0</span>..num_wnd { |
| <span class="kw">if </span>bboxes[m].bbox().x() + bboxes[m].bbox().width() <span class="kw">as </span>i32 <= <span class="number">0 |
| </span>|| bboxes[m].bbox().y() + bboxes[m].bbox().height() <span class="kw">as </span>i32 <= <span class="number">0 |
| </span>{ |
| <span class="kw">continue</span>; |
| } |
| |
| <span class="self">self</span>.get_window_data(<span class="kw-2">&</span>image1x, bboxes[m].bbox_mut()); |
| <span class="kw">let </span>img_temp = |
| ImageData::new(<span class="kw-2">&</span><span class="self">self</span>.wnd_data, <span class="self">self</span>.wnd_size, <span class="self">self</span>.wnd_size); |
| <span class="kw">let </span>classifier = <span class="kw-2">&</span><span class="self">self</span>.model.get_classifiers()[model_idx]; |
| <span class="self">Self</span>::feature_map_for_classifier(classifier, <span class="kw-2">&mut </span><span class="self">self</span>.feature_maps) |
| .compute(<span class="kw-2">&</span>img_temp); |
| <span class="kw">let </span>rect = Rectangle::new(<span class="number">0</span>, <span class="number">0</span>, <span class="self">self</span>.wnd_size, <span class="self">self</span>.wnd_size); |
| |
| <span class="kw">let </span>new_score = <span class="self">Self</span>::classify_with_classifier( |
| classifier, |
| <span class="prelude-val">Some</span>(<span class="kw-2">&mut </span>mlp_predicts), |
| <span class="kw-2">&mut </span><span class="self">self</span>.feature_maps, |
| rect, |
| ); |
| <span class="kw">if </span>new_score.is_positive() { |
| <span class="kw">let </span>x = bboxes[m].bbox().x() <span class="kw">as </span>f32; |
| <span class="kw">let </span>y = bboxes[m].bbox().y() <span class="kw">as </span>f32; |
| <span class="kw">let </span>w = bboxes[m].bbox().width() <span class="kw">as </span>f32; |
| <span class="kw">let </span>h = bboxes[m].bbox().height() <span class="kw">as </span>f32; |
| |
| <span class="kw">let </span>bbox_w = ((mlp_predicts[<span class="number">3</span>] * <span class="number">2.0 </span>- <span class="number">1.0</span>) * w + w + <span class="number">0.5</span>).floor(); |
| bboxes[bbox_id].bbox_mut().set_width(bbox_w <span class="kw">as </span>u32); |
| bboxes[bbox_id].bbox_mut().set_height(bbox_w <span class="kw">as </span>u32); |
| |
| bboxes[bbox_id].bbox_mut().set_x( |
| ((mlp_predicts[<span class="number">1</span>] * <span class="number">2.0 </span>- <span class="number">1.0</span>) * w |
| + x |
| + (w - bbox_w) * <span class="number">0.5 |
| </span>+ <span class="number">0.5</span>) |
| .floor() <span class="kw">as </span>i32, |
| ); |
| |
| bboxes[bbox_id].bbox_mut().set_y( |
| ((mlp_predicts[<span class="number">2</span>] * <span class="number">2.0 </span>- <span class="number">1.0</span>) * h |
| + y |
| + (h - bbox_w) * <span class="number">0.5 |
| </span>+ <span class="number">0.5</span>) |
| .floor() <span class="kw">as </span>i32, |
| ); |
| |
| bboxes[bbox_id].set_score(f64::from(new_score.score())); |
| |
| bbox_id += <span class="number">1</span>; |
| } |
| } |
| } |
| |
| proposals[r].truncate(bbox_id); |
| |
| <span class="kw">if </span>k < (k_max - <span class="number">1</span>) { |
| non_maximum_suppression(<span class="kw-2">&mut </span>proposals[r], <span class="kw-2">&mut </span>proposals_nms[r], <span class="number">0.8</span>); |
| proposals[r] = proposals_nms[r].clone(); |
| } <span class="kw">else if </span>i == (<span class="self">self</span>.model.get_hierarchy_count() - <span class="number">1</span>) { |
| non_maximum_suppression(<span class="kw-2">&mut </span>proposals[r], <span class="kw-2">&mut </span>proposals_nms[r], <span class="number">0.3</span>); |
| proposals[r] = proposals_nms[r].clone(); |
| } |
| |
| model_idx += <span class="number">1</span>; |
| } |
| |
| cls_idx += <span class="number">1</span>; |
| } |
| |
| <span class="kw">for </span>j <span class="kw">in </span><span class="number">0</span>..hierarchy_size_i { |
| proposals_nms[j] = proposals[buf_idx[j] <span class="kw">as </span>usize].clone(); |
| } |
| } |
| |
| proposals_nms[<span class="number">0</span>].clone() |
| } |
| } |
| |
| <span class="kw">fn </span>non_maximum_suppression( |
| bboxes: <span class="kw-2">&mut </span>Vec<FaceInfo>, |
| bboxes_nms: <span class="kw-2">&mut </span>Vec<FaceInfo>, |
| iou_thresh: f32, |
| ) { |
| bboxes_nms.clear(); |
| bboxes.sort_by(|x, y| { |
| <span class="kw">let </span>x_score = x.score(); |
| <span class="kw">let </span>y_score = y.score(); |
| <span class="kw">if </span>x_score > y_score { |
| <span class="comment">// x goes before y |
| </span>Less |
| } <span class="kw">else if </span>x_score < y_score { |
| Greater |
| } <span class="kw">else </span>{ |
| Equal |
| } |
| }); |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>select_idx = <span class="number">0</span>; |
| <span class="kw">let </span><span class="kw-2">mut </span>mask_merged = <span class="macro">vec!</span>[<span class="bool-val">false</span>; bboxes.len()]; |
| |
| <span class="kw">loop </span>{ |
| <span class="kw">while </span>select_idx < bboxes.len() && mask_merged[select_idx] { |
| select_idx += <span class="number">1</span>; |
| } |
| |
| <span class="kw">if </span>select_idx == bboxes.len() { |
| <span class="kw">break</span>; |
| } |
| |
| bboxes_nms.push(bboxes[select_idx].clone()); |
| mask_merged[select_idx] = <span class="bool-val">true</span>; |
| |
| <span class="kw">let </span><span class="kw-2">mut </span>score; |
| { |
| score = bboxes_nms.last().unwrap().score(); |
| } |
| |
| <span class="kw">let </span>area1; |
| <span class="kw">let </span>x1; |
| <span class="kw">let </span>y1; |
| <span class="kw">let </span>x2; |
| <span class="kw">let </span>y2; |
| { |
| area1 = (bboxes[select_idx].bbox().width() * bboxes[select_idx].bbox().height()) <span class="kw">as </span>f32; |
| x1 = bboxes[select_idx].bbox().x(); |
| y1 = bboxes[select_idx].bbox().y(); |
| x2 = bboxes[select_idx].bbox().x() + bboxes[select_idx].bbox().width() <span class="kw">as </span>i32 - <span class="number">1</span>; |
| y2 = bboxes[select_idx].bbox().y() + bboxes[select_idx].bbox().height() <span class="kw">as </span>i32 - <span class="number">1</span>; |
| } |
| |
| select_idx += <span class="number">1</span>; |
| |
| <span class="kw">for </span>i <span class="kw">in </span>select_idx..bboxes.len() { |
| <span class="kw">if </span>mask_merged[i] { |
| <span class="kw">continue</span>; |
| } |
| |
| <span class="kw">let </span>x = cmp::max(x1, bboxes[i].bbox().x()); |
| <span class="kw">let </span>y = cmp::max(y1, bboxes[i].bbox().y()); |
| <span class="kw">let </span>w = cmp::min( |
| x2, |
| bboxes[i].bbox().x() + bboxes[i].bbox().width() <span class="kw">as </span>i32 - <span class="number">1</span>, |
| ) - x |
| + <span class="number">1</span>; |
| <span class="kw">let </span>h = cmp::min( |
| y2, |
| bboxes[i].bbox().y() + bboxes[i].bbox().height() <span class="kw">as </span>i32 - <span class="number">1</span>, |
| ) - y |
| + <span class="number">1</span>; |
| |
| <span class="kw">if </span>w <= <span class="number">0 </span>|| h <= <span class="number">0 </span>{ |
| <span class="kw">continue</span>; |
| } |
| |
| <span class="kw">let </span>area2 = (bboxes[i].bbox().width() * bboxes[i].bbox().height()) <span class="kw">as </span>f32; |
| <span class="kw">let </span>area_intersect = (w * h) <span class="kw">as </span>f32; |
| <span class="kw">let </span>area_union = area1 + area2 - area_intersect; |
| <span class="kw">if </span>area_intersect / area_union > iou_thresh { |
| mask_merged[i] = <span class="bool-val">true</span>; |
| <span class="kw">let </span>bbox_i_score = bboxes[i].score(); |
| score += bbox_i_score; |
| } |
| } |
| |
| bboxes_nms.last_mut().unwrap().set_score(score); |
| } |
| } |
| </code></pre></div> |
| </section></div></main><div id="rustdoc-vars" data-root-path="../../../" data-current-crate="rustface" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0-nightly (5c8bff74b 2022-10-21)" ></div></body></html> |