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“傅里叶变换算法”来检测纸箱变形的简单示例

news 来源：原创 2025/5/16 7:04:31

在这里插入图片描述

为了创建一个具有科技质感且能动态展示结果的纸箱变形检测傅里叶变换网页，下面将分别更新 HTML、CSS 和 JavaScript 文件。以下是更新后的代码：

1. HTML 文件 (`index.html`)

<!DOCTYPE html>
<html lang="zh-CN">
<head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>纸箱变形检测 - 傅里叶变换</title><link rel="stylesheet" href="styles.css"><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.0.0/css/all.min.css">
</head>
<body><div class="container"><div class="header"><h1><i class="fas fa-box-open"></i> 纸箱变形检测系统</h1><div class="status-bar"><span class="status-item"><i class="fas fa-signal"></i> 系统就绪</span><span class="status-item"><i class="fas fa-battery-full"></i> 100%</span></div></div><div class="main-content"><input type="file" id="imageInput" accept="image/*" class="file-input"><label for="imageInput" class="file-input-label"><i class="fas fa-upload"></i> 选择纸箱图片</label><div class="progress-bar"><div class="progress" id="progress"></div></div><div class="canvas-container"><div class="canvas-wrapper"><h3>原始图像</h3><canvas id="originalCanvas"></canvas></div><div class="canvas-wrapper"><h3>傅里叶变换结果</h3><canvas id="transformedCanvas"></canvas></div></div><div class="analysis-result" id="analysisResult"><h3>分析结果</h3><p>状态: <span id="status">未检测</span></p><p>变形程度: <span id="deformationLevel">无</span></p></div></div><div class="footer"><p>&copy; 2024 纸箱变形检测实验室. 保留所有权利.</p></div></div><script src="script.js"></script>
</body>
</html>

2. CSS 文件 (`styles.css`)

body {font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;background-color: #1a1a1a;color: #ffffff;margin: 0;padding: 0;display: flex;justify-content: center;align-items: center;min-height: 100vh;
}.container {width: 90%;max-width: 1200px;background-color: #2d2d2d;border-radius: 10px;box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);overflow: hidden;
}.header {display: flex;justify-content: space-between;align-items: center;padding: 20px;background-color: #333333;border-bottom: 1px solid #444444;animation: slideDown 0.5s ease-out;
}@keyframes slideDown {from { transform: translateY(-100%); }to { transform: translateY(0); }
}.status-bar {display: flex;gap: 20px;
}.status-item {display: flex;align-items: center;gap: 5px;font-size: 14px;color: #00ffcc;
}.main-content {padding: 20px;
}.file-input {display: none;
}.file-input-label {display: inline-block;padding: 10px 20px;background-color: #007bff;color: #ffffff;border-radius: 5px;cursor: pointer;transition: background-color 0.3s ease;animation: fadeIn 0.5s ease-out;
}@keyframes fadeIn {from { opacity: 0; }to { opacity: 1; }
}.file-input-label:hover {background-color: #0056b3;
}.progress-bar {width: 100%;height: 20px;background-color: #333333;border-radius: 10px;margin: 20px 0;overflow: hidden;
}.progress {height: 100%;background-color: #00ffcc;width: 0%;transition: width 0.3s ease;
}.canvas-container {display: flex;gap: 20px;margin-top: 20px;
}.canvas-wrapper {flex: 1;background-color: #333333;padding: 20px;border-radius: 5px;animation: scaleIn 0.5s ease-out;
}@keyframes scaleIn {from { transform: scale(0.9); }to { transform: scale(1); }
}canvas {border: 2px solid #00ffcc;border-radius: 5px;width: 100%;height: auto;
}.analysis-result {background-color: #333333;padding: 20px;border-radius: 5px;margin-top: 20px;animation: fadeIn 0.5s ease-out;
}.footer {padding: 10px;text-align: center;background-color: #333333;border-top: 1px solid #444444;font-size: 12px;color: #888888;
}

3. JavaScript 文件 (`script.js`)

// 获取 DOM 元素
const imageInput = document.getElementById('imageInput');
const originalCanvas = document.getElementById('originalCanvas');
const transformedCanvas = document.getElementById('transformedCanvas');
const progressBar = document.getElementById('progress');
const statusSpan = document.getElementById('status');
const deformationLevelSpan = document.getElementById('deformationLevel');
const originalCtx = originalCanvas.getContext('2d');
const transformedCtx = transformedCanvas.getContext('2d');// 为文件输入添加事件监听器
imageInput.addEventListener('change', function(e) {const file = e.target.files[0];if (file) {const reader = new FileReader();reader.onload = function(event) {const img = new Image();img.onload = function() {// 绘制原始图像originalCanvas.width = img.width;originalCanvas.height = img.height;originalCtx.drawImage(img, 0, 0);// 模拟处理进度let progress = 0;const interval = setInterval(() => {progress += 10;progressBar.style.width = `${progress}%`;if (progress >= 100) {clearInterval(interval);// 执行傅里叶变换const imageData = originalCtx.getImageData(0, 0, img.width, img.height);const transformedData = performFourierTransform(imageData);// 绘制傅里叶变换结果transformedCanvas.width = img.width;transformedCanvas.height = img.height;transformedCtx.putImageData(transformedData, 0, 0);// 模拟分析结果statusSpan.textContent = '检测完成';deformationLevelSpan.textContent = '轻度变形';}}, 300);};img.src = event.target.result;};reader.readAsDataURL(file);}
});// 简化版傅里叶变换函数（示例）
function performFourierTransform(imageData) {// 这里应该实现实际的傅里叶变换算法// 为了简化，这里只是返回原始图像数据return imageData;
}