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Commit 056b011c by vincent
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add possibility in examples to load images from external url

parent f11445bb
Showing with 541 additions and 63 deletions
examples/package-lock.json
......@@ -11,26 +11,54 @@
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......@@ -58,6 +104,19 @@
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"resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.16.tgz",
......@@ -362,10 +648,25 @@
"resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
"integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
},
"uuid": {
"version": "3.2.1",
"resolved": "https://registry.npmjs.org/uuid/-/uuid-3.2.1.tgz",
"integrity": "sha512-jZnMwlb9Iku/O3smGWvZhauCf6cvvpKi4BKRiliS3cxnI+Gz9j5MEpTz2UFuXiKPJocb7gnsLHwiS05ige5BEA=="
},
"vary": {
"version": "1.1.2",
"resolved": "https://registry.npmjs.org/vary/-/vary-1.1.2.tgz",
"integrity": "sha1-IpnwLG3tMNSllhsLn3RSShj2NPw="
},
"verror": {
"version": "1.10.0",
"resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
"integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
"requires": {
"assert-plus": "1.0.0",
"core-util-is": "1.0.2",
"extsprintf": "1.3.0"
}
}
}
}
examples/package.json
......@@ -5,6 +5,7 @@
"author": "justadudewhohacks",
"license": "MIT",
"dependencies": {
"express": "^4.16.3"
"express": "^4.16.3",
"request": "^2.87.0"
}
}
examples/public/commons.js
......@@ -12,6 +12,30 @@ async function fetchImage(uri) {
return (await fetch(uri)).blob()
}
async function requestExternalImage(imageUrl) {
const res = await fetch('fetch_external_image', {
method: 'post',
headers: {
'content-type': 'application/json'
},
body: JSON.stringify({ imageUrl })
})
if (!(res.status < 400)) {
console.error(res.status + ' : ' + await res.text())
throw new Error('failed to fetch image from url: ' + imageUrl)
}
let blob
try {
blob = await res.blob()
return await faceapi.bufferToImage(blob)
} catch (e) {
console.error('received blob:', blob)
console.error('error:', e)
throw new Error('failed to load image from url: ' + imageUrl)
}
}
// fetch first image of each class and compute their descriptors
async function initTrainDescriptorsByClass(net, numImagesForTraining = 1) {
const maxAvailableImagesPerClass = 5
......@@ -113,17 +137,30 @@ function renderNavBar(navbarId, exampleUri) {
menuButton.appendChild(menuButtonIcon)
navbar.appendChild(menuButton)
const li = document.createElement('li')
const githubLink = document.createElement('a')
githubLink.classList.add('waves-effect', 'waves-light', 'side-by-side')
githubLink.id = 'github-link'
githubLink.href = 'https://github.com/justadudewhohacks/face-api.js'
const h5 = document.createElement('h5')
h5.innerHTML = 'face-api.js'//'If you like this project, feel free to leave a star on github :)'
githubLink.appendChild(h5)
const githubLinkIcon = document.createElement('img')
githubLinkIcon.src = 'github_link_icon.png'
githubLink.appendChild(githubLinkIcon)
li.appendChild(githubLink)
menuContent.appendChild(li)
examples
.filter(ex => ex.uri !== exampleUri)
.forEach(ex => {
const li = document.createElement('li')
const a = document.createElement('a')
li.appendChild(a)
menuContent.appendChild(li)
a.classList.add('waves-effect', 'waves-light')
a.href = ex.uri
a.innerHTML = ex.name
li.appendChild(a)
menuContent.appendChild(li)
})
$('.button-collapse').sideNav({
......
examples/public/styles.css
......@@ -25,6 +25,7 @@
flex-direction: column;
justify-content: center;
align-items: center;
flex-wrap: wrap;
}
.side-by-side {
......@@ -48,6 +49,14 @@
margin: 20px;
}
#github-link {
display: flex !important;
justify-content: center;
align-items: center;
border-bottom: 1px solid;
margin-bottom: 10px;
}
#overlay {
position: absolute;
top: 0;
......
examples/server.js
const express = require('express')
const path = require('path')
const { get } = require('request')
const app = express()
app.use(express.json())
app.use(express.urlencoded({ extended: true }))
const viewsDir = path.join(__dirname, 'views')
app.use(express.static(viewsDir))
app.use(express.static(path.join(__dirname, './public')))
......@@ -21,4 +25,40 @@ app.get('/detect_and_draw_landmarks', (req, res) => res.sendFile(path.join(views
app.get('/face_alignment', (req, res) => res.sendFile(path.join(viewsDir, 'faceAlignment.html')))
app.get('/detect_and_recognize_faces', (req, res) => res.sendFile(path.join(viewsDir, 'detectAndRecognizeFaces.html')))
app.listen(3000, () => console.log('Listening on port 3000!'))
\ No newline at end of file
app.post('/fetch_external_image', async (req, res) => {
const { imageUrl } = req.body
if (!imageUrl) {
return res.status(400).send('imageUrl param required')
}
try {
const externalResponse = await request(imageUrl)
res.set('content-type', externalResponse.headers['content-type'])
return res.status(202).send(Buffer.from(externalResponse.body))
} catch (err) {
return res.status(404).send(err.toString())
}
})
app.listen(3000, () => console.log('Listening on port 3000!'))
function request(url, returnBuffer = true, timeout = 10000) {
return new Promise(function(resolve, reject) {
const options = Object.assign(
{},
{
url,
isBuffer: true,
timeout,
headers: {
'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/65.0.3325.181 Safari/537.36'
}
},
returnBuffer ? { encoding: null } : {}
)
get(options, function(err, res) {
if (err) return reject(err)
return resolve(res)
})
})
}
\ No newline at end of file
examples/views/detectAndDrawFaces.html
......@@ -22,6 +22,18 @@
<div class="row side-by-side">
<div id="selectList"></div>
<div class="row">
<label for="imgUrlInput">Get image from URL:</label>
<input id="imgUrlInput" type="text" class="bold">
</div>
<button
class="waves-effect waves-light btn"
onclick="loadImageFromUrl()"
>
Ok
</button>
</div>
<div class="row side-by-side">
<div class="row">
<label for="minConfidence">Min Confidence:</label>
<input disabled value="0.7" id="minConfidence" type="text" class="bold">
</div>
......@@ -56,6 +68,12 @@
updateResults()
}
async function loadImageFromUrl(url) {
const img = await requestExternalImage($('#imgUrlInput').val())
$('#inputImg').get(0).src = img.src
updateResults()
}
async function updateResults() {
const inputImgEl = $('#inputImg').get(0)
const { width, height } = inputImgEl
......
examples/views/detectAndDrawLandmarks.html
......@@ -21,6 +21,18 @@
<div class="row side-by-side">
<div id="selectList"></div>
<div class="row">
<label for="imgUrlInput">Get image from URL:</label>
<input id="imgUrlInput" type="text" class="bold">
</div>
<button
class="waves-effect waves-light btn"
onclick="loadImageFromUrl()"
>
Ok
</button>
</div>
<div class="row side-by-side">
<div class="row">
<label for="minConfidence">Min Confidence:</label>
<input disabled value="0.7" id="minConfidence" type="text" class="bold">
</div>
......@@ -56,6 +68,18 @@
updateResults()
}
async function onSelectionChanged(uri) {
const imgBuf = await fetchImage(uri)
$(`#inputImg`).get(0).src = (await faceapi.bufferToImage(imgBuf)).src
updateResults()
}
async function loadImageFromUrl(url) {
const img = await requestExternalImage($('#imgUrlInput').val())
$('#inputImg').get(0).src = img.src
updateResults()
}
async function updateResults() {
const inputImgEl = $('#inputImg').get(0)
const { width, height } = inputImgEl
......@@ -81,12 +105,6 @@
faceapi.drawDetection('overlay', locations.map(det => det.forSize(width, height)))
}
async function onSelectionChanged(uri) {
const imgBuf = await fetchImage(uri)
$(`#inputImg`).get(0).src = (await faceapi.bufferToImage(imgBuf)).src
updateResults()
}
async function run() {
detectionNet = new faceapi.FaceDetectionNet()
await detectionNet.load('/')
......
examples/views/detectAndRecognizeFaces.html
......@@ -21,6 +21,18 @@
<div class="row side-by-side">
<div id="selectList"></div>
<div class="row">
<label for="imgUrlInput">Get image from URL:</label>
<input id="imgUrlInput" type="text" class="bold">
</div>
<button
class="waves-effect waves-light btn"
onclick="loadImageFromUrl()"
>
Ok
</button>
</div>
<div class="row side-by-side">
<div class="row">
<label for="minConfidence">Min Confidence:</label>
<input disabled value="0.7" id="minConfidence" type="text" class="bold">
</div>
......@@ -38,7 +50,7 @@
</button>
<div class="row">
<label for="maxDistance">Max Descriptor Distance:</label>
<input disabled value="0.8" id="maxDistance" type="text" class="bold">
<input disabled value="0.6" id="maxDistance" type="text" class="bold">
</div>
<button
class="waves-effect waves-light btn"
......@@ -56,7 +68,7 @@
</div>
<script>
let maxDistance = 0.8
let maxDistance = 0.6
let minConfidence = 0.7
let detectionNet, recognitionNet, landmarkNet
let trainDescriptorsByClass = []
......@@ -85,6 +97,12 @@
updateResults()
}
async function loadImageFromUrl(url) {
const img = await requestExternalImage($('#imgUrlInput').val())
$('#inputImg').get(0).src = img.src
updateResults()
}
async function updateResults() {
const inputImgEl = $('#inputImg').get(0)
const { width, height } = inputImgEl
......
examples/views/faceAlignment.html
......@@ -22,6 +22,18 @@
<div class="row side-by-side">
<div id="selectList"></div>
<div class="row">
<label for="imgUrlInput">Get image from URL:</label>
<input id="imgUrlInput" type="text" class="bold">
</div>
<button
class="waves-effect waves-light btn"
onclick="loadImageFromUrl()"
>
Ok
</button>
</div>
<div class="row side-by-side">
<div class="row">
<label for="minConfidence">Min Confidence:</label>
<input disabled value="0.7" id="minConfidence" type="text" class="bold">
</div>
......@@ -57,6 +69,12 @@
updateResults()
}
async function loadImageFromUrl(url) {
const img = await requestExternalImage($('#imgUrlInput').val())
$('#inputImg').get(0).src = img.src
updateResults()
}
async function updateResults() {
const inputImgEl = $('#inputImg').get(0)
const { width, height } = inputImgEl
......
examples/views/faceDetection.html
......@@ -21,6 +21,18 @@
<div class="row side-by-side">
<div id="selectList"></div>
<div class="row">
<label for="imgUrlInput">Get image from URL:</label>
<input id="imgUrlInput" type="text" class="bold">
</div>
<button
class="waves-effect waves-light btn"
onclick="loadImageFromUrl()"
>
Ok
</button>
</div>
<div class="row side-by-side">
<div class="row">
<label for="minConfidence">Min Confidence:</label>
<input disabled value="0.7" id="minConfidence" type="text" class="bold">
</div>
......@@ -55,6 +67,12 @@
updateResults()
}
async function loadImageFromUrl(url) {
const img = await requestExternalImage($('#imgUrlInput').val())
$('#inputImg').get(0).src = img.src
updateResults()
}
async function updateResults() {
const inputImgEl = $('#inputImg').get(0)
const { width, height } = inputImgEl
......
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