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labels_server.py
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import os
from flask import Flask, send_file, request
import metadata
import random
import csv
from config import *
import numpy as np
import shutil
from image_loader import ImageDataset
items = metadata.load()
latent_codes_embedded = np.load(LATENT_CODES_EMBEDDED_MOVED_FILE_NAME)
latent_codes_embedded[:, 1] *= -1
image_dataset = ImageDataset()
app = Flask(__name__)
IMAGE_FILE_FORMAT = 'data/images_alpha/{:s}.webp'
INDEX_HTML = '''<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8">
<title>Dataset Labelling</title>
</head>
<body>
<div id="viewer">
<div id="image" draggable="false" ondragstart="return false;"></div>
<div class="hline" style="top:100px;"></div>
<div class="hline" style="top:150px;"></div>
<div class="hline" style="top:200px;"></div>
<div class="hline" style="top:250px;"></div>
<div class="hline" style="top:300px;"></div>
<div class="hline" style="top:350px;"></div>
<div class="hline" style="top:400px;"></div>
<div class="hline" style="top:450px;"></div>
<div class="hline" style="top:500px;"></div>
<div class="hline" style="top:550px;"></div>
<div class="hline" style="top:600px;"></div>
<div class="vline" style="left:350px;"></div>
</div>
<div>
<a href="#" id="image_id"></a>
</div>
<button id="btn_load">Skip</button>
<button id="btn_save">Save rotation</button>
<br><br>
Set quality:<br>
<button onclick="setQuality(0)">Bad quality</button>
<button onclick="setQuality(1)">Partial quality</button>
<button onclick="setQuality(2)">Good quality</button>
<style>
#viewer {
background-color: #bdbdbd;
position: relative;
width: 700px;
height: 700px;
}
#image {
width: 500px;
height: 500px;
left: 100px;
top: 100px;
position: relative;
pointer-events: none;
user-select: none;
-webkit-user-drag: none;
background-size: 500px;
}
.hline {
width: 100%;
height: 2px;
background-color: rgba(0, 0, 0, 0.3);
position: absolute;
left: 0px;
pointer-events: none;
}
.vline {
height: 100%;
width: 2px;
background-color: rgba(0, 0, 0, 0.3);
position: absolute;
top: 0px;
pointer-events: none;
}
button {
margin: 10px;
padding: 20px 80px;
}
</style>
<script>
var viewer = document.getElementById('viewer');
var image = document.getElementById('image');
var btnLoad = document.getElementById('btn_load');
var btnSave = document.getElementById('btn_save');
var currentIdLink = document.getElementById('image_id');
var currentId = null;
var currentRotation = 0;
function loadImage(imageId) {
currentId = imageId;
image.style.backgroundImage = 'url(image/' + currentId + '.webp)';
currentIdLink.innerHTML = currentId;
currentIdLink.href = 'image/' + currentId + '.webp';
setRotation(60 * Math.random() - 30);
}
function requestImage() {
var request = new XMLHttpRequest();
request.open('GET', 'getid');
request.onload = function() {
if (request.status === 200) {
loadImage(request.responseText);
}
};
request.send();
}
function setRotation(value) {
image.style.transform = 'rotate(' + value + 'deg)';
currentRotation = value;
}
var urlId = document.location.href.split('?')[1];
if (urlId !== undefined) {
loadImage(urlId);
} else {
requestImage();
}
btnLoad.onclick = requestImage;
var mousePressed = false;
var lastMousePosition = 0;
function getMousePosition(event) {
return -Math.atan2(event.clientX - 350, event.clientY - 350) / Math.PI * 180;
}
viewer.onmousedown = function(event) {
mousePressed = true;
lastMousePosition = getMousePosition(event);
};
viewer.onmouseup = function(event) {
mousePressed = false;
};
viewer.onmousemove = function(event) {
if (mousePressed) {
movement = getMousePosition(event) - lastMousePosition;
lastMousePosition = getMousePosition(event);
setRotation(currentRotation + movement);
}
};
function setQuality(quality) {
var request = new XMLHttpRequest();
request.open('POST', 'save_quality?id=' + currentId + '&quality=' + quality);
request.onload = function() {
if (request.status === 200) {
requestImage();
}
};
request.send();
}
btnSave.onclick = function() {
var request = new XMLHttpRequest();
request.open('POST', 'save_rotation?id=' + currentId + '&rotation=' + currentRotation);
request.onload = function() {
if (request.status === 200) {
requestImage();
}
};
request.send();
};
document.addEventListener("drag", function( event ) {}, false);
document.addEventListener("dragover", function( event ) {
event.preventDefault();
}, false);
document.addEventListener('drop', function(event) {
event.preventDefault();
var fileName = event.dataTransfer.files[0].name;
var imageId = fileName.substring(0, fileName.length - 4);
loadImage(imageId);
}, false);
</script>
</body>
</html>'''
if os.path.exists(ROTATION_DATA_FILENAME):
rotation_file = open(ROTATION_DATA_FILENAME, 'r')
reader = csv.reader(rotation_file)
existing_ids_rotation = set(row[0] for row in reader)
rotation_file.close
else:
existing_ids_rotaiton = set()
rotation_file = open(ROTATION_DATA_FILENAME, 'a')
if os.path.exists(QUALITY_DATA_FILENAME):
quality_file = open(QUALITY_DATA_FILENAME, 'r')
reader = csv.reader(quality_file)
existing_ids_quality = set(row[0] for row in reader)
quality_file.close
else:
existing_ids_quality = set()
quality_file = open(QUALITY_DATA_FILENAME, 'a')
@app.route('/')
def index():
return INDEX_HTML
@app.route('/image/<id>.webp')
def get_image(id):
try:
return send_file(IMAGE_FILE_FORMAT.format(id), mimetype='image/webp')
except FileNotFoundError:
return "File not found", 404
@app.route('/getid')
def get_id():
while True:
item = random.choice(items)
if os.path.exists(IMAGE_FILE_FORMAT.format(item.image_id)) and item.image_id not in existing_ids_rotation and item.image_id not in existing_ids_quality:
return item.image_id
@app.route('/save_rotation', methods=['POST'])
def save_rotation():
image_id = request.args.get('id')
if image_id in existing_ids_rotation:
print("Skipping duplicate id.")
return 'ok', 200
existing_ids_rotation.add(image_id)
rotation = request.args.get('rotation')
rotation_file.write('{:s},{:s}\n'.format(image_id, rotation))
rotation_file.flush()
return 'ok', 200
@app.route('/save_quality', methods=['POST'])
def save_quality():
image_id = request.args.get('id')
if image_id in existing_ids_quality:
print("Skipping duplicate id.")
return 'ok', 200
existing_ids_quality.add(image_id)
quality = request.args.get('quality')
quality_file.write('{:s},{:s}\n'.format(image_id, quality))
quality_file.flush()
return 'ok', 200
@app.route('/save_quality_batch', methods=['POST'])
def save_quality_batch():
x1 = float(request.args.get('x1'))
x2 = float(request.args.get('x2'))
y1 = float(request.args.get('y1'))
y2 = float(request.args.get('y2'))
quality = request.args.get('quality')
mask = (latent_codes_embedded[:, 0] > x1) & (latent_codes_embedded[:, 0] < x2) & (latent_codes_embedded[:, 1] > y1) & (latent_codes_embedded[:, 1] < y2)
indices = np.nonzero(mask)[0]
ids = [image_dataset.hashes[i] for i in indices]
for image_id in ids:
if image_id in existing_ids_quality:
continue
existing_ids_quality.add(image_id)
quality_file.write('{:s},{:s}\n'.format(image_id, quality))
quality_file.flush()
return 'ok', 200
@app.after_request
def add_header(response):
response.headers['Access-Control-Allow-Origin'] = '*'
return response
app.run(host='0.0.0.0')