Handwritten-Optical-Character-Recognition/index.html at main · Sagyam/Handwritten-Optical-Character-Recognition · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8" />
		<meta name="robots" content="index, follow" />
		<meta property="og:title" content="Handwritten Character Calculator" />
		<meta
			property="og:description"
			content="Responsive web app that can recognize handwritten characters drawn on canvas and perform arithmetic calculation."
		/>
		<meta
			property="og:url"
			content="https://sagyamthapa.me/Handwritten-Optical-Character-Recognition/"
		/>
		<meta
			property="og:image"
			content="https://github.com/Sagyam/Handwritten-Optical-Character-Recognition/blob/main/img/hocr-demo.gif?raw=true"
		/>
		<meta name="author" content="[Sagyam Thapa]" />
		<title>Handwritten Character Recognition Calculator</title>
		<link rel="stylesheet" href="css/main.css" />
		<link
			rel="shortcut icon"
			href="https://upload.wikimedia.org/wikipedia/commons/2/2d/Tensorflow_logo.svg"
			type="image/x-icon"
		/>
	</head>
	<body>
		<header>
			<a
				href="https://github.com/Sagyam/Handwritten-Optical-Character-Recognition"
				class="github-corner"
				aria-label="View source on GitHub"
				><svg
					width="120"
					height="120"
					viewBox="0 0 250 250"
					style="
						fill: #151513;
						color: #fff;
						position: absolute;
						top: 0;
						border: 0;
						right: 0;
					"
					aria-hidden="true"
				>
					<path d="M0,0 L115,115 L130,115 L142,142 L250,250 L250,0 Z"></path>
					<path
						d="M128.3,109.0 C113.8,99.7 119.0,89.6 119.0,89.6 C122.0,82.7 120.5,78.6 120.5,78.6 C119.2,72.0 123.4,76.3 123.4,76.3 C127.3,80.9 125.5,87.3 125.5,87.3 C122.9,97.6 130.6,101.9 134.4,103.2"
						fill="currentColor"
						style="transform-origin: 130px 106px"
						class="octo-arm"
					></path>
					<path
						d="M115.0,115.0 C114.9,115.1 118.7,116.5 119.8,115.4 L133.7,101.6 C136.9,99.2 139.9,98.4 142.2,98.6 C133.8,88.0 127.5,74.4 143.8,58.0 C148.5,53.4 154.0,51.2 159.7,51.0 C160.3,49.4 163.2,43.6 171.4,40.1 C171.4,40.1 176.1,42.5 178.8,56.2 C183.1,58.6 187.2,61.8 190.9,65.4 C194.5,69.0 197.7,73.2 200.1,77.6 C213.8,80.2 216.3,84.9 216.3,84.9 C212.7,93.1 206.9,96.0 205.4,96.6 C205.1,102.4 203.0,107.8 198.3,112.5 C181.9,128.9 168.3,122.5 157.7,114.1 C157.9,116.9 156.7,120.9 152.7,124.9 L141.0,136.5 C139.8,137.7 141.6,141.9 141.8,141.8 Z"
						fill="currentColor"
						class="octo-body"
					></path>
				</svg>
			</a>
			<h1 class="header-title">Handwritten Character Recognition Calculator</h1>
			<hr />
		</header>
		<main>
			<div class="flex-container">
				<div class="canvas-div">
					<h1>Draw on canvas</h1>
					<p>Please keep the drawing centered</p>
					<canvas id="canvas"></canvas>
					<button class="btn-danger" id="reset" onclick="clear()">
						Clear Canvas
					</button>
					<button class="btn-success" id="push" onclick="pushToStack()">
						Send
					</button>
					<button class="btn-success" id="save" onclick="save()">
						💾 Save
					</button>
				</div>
				<div class="prediction-div">
					<h1>Prediction</h1>
					<p id="prediction"></p>
				</div>
				<div class="calc-div">
					<h1>Calculator</h1>
					<div class="display">
						<p id="stack"></p>
					</div>
					<div class="answer-div">
						<span id="answer"></span>
					</div>

					<button class="btn-danger" id="clearStack" onclick="clearStack()">
						Clear All
					</button>
					<button class="btn-success" id="calc" onclick="calc()">
						Calculate
					</button>
				</div>
			</div>
		</main>
		<footer>
			<p class="help">
				<strong>Supported Character:</strong>
				<ul>
					<li>0 1 2 3 4 5 6 7 8 9</li>
					<li> + Addition </li>
					<li>- Subtraction</li>
					<li>X Multipication</li>
					<li><sup>o</sup>-<sub>o</sub> Division <strong> (Dot Line Dot) </strong> </li>
					<li>X Y Z </li>
				</ul>
			</p>
		</footer>
	</body>
	<script src="https://cdn.jsdelivr.net/npm/@tensorflow/tfjs@3.12.0/dist/tf.min.js"></script>
	<script type="text/javascript" src="js/main.js"></script>
	<script type="text/javascript" src="js/calculator.js"></script>
	<script type="text/javascript" src="./js/reImg.js"></script>
</html>