image_fusion/Output.html at main · PRIYAtechky/image_fusion · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Multi-focus Image Fusion</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            display: flex;
            flex-direction: column;
            align-items: center;
            margin-top: 20px;
        }
        #resultCanvas {
            border: 1px solid black;
        }
        input[type="file"] {
            margin-bottom: 10px;
        }
    </style>
</head>
<body>
    <h2>Multi-focus Image Fusion using DWT and SWT</h2>
    <input type="file" id="image1" accept="image/*"> <br>
    <input type="file" id="image2" accept="image/*"> <br>
    <button onclick="fuseImages()">Fuse Images</button>
    <br><br>
    <canvas id="resultCanvas" width="300" height="300"></canvas>

    <script>
        const canvas = document.getElementById("resultCanvas");
        const ctx = canvas.getContext("2d");

        // Create two Image objects to store the uploaded images
        let img1 = new Image();
        let img2 = new Image();

        function loadImage(fileInput, imgElement) {
            return new Promise((resolve) => {
                imgElement.src = URL.createObjectURL(fileInput.files[0]); // Converts file to a temporary URL
                imgElement.onload = () => resolve(); // Resolves the promise when the image loads
            });
        }

        // Function to fuse two images and display the result on the canvas
        async function fuseImages() {
            const fileInput1 = document.getElementById("image1");
            const fileInput2 = document.getElementById("image2");

            if (!fileInput1.files[0] || !fileInput2.files[0]) {
                alert("Please select two images.");
                return;
            }

            await loadImage(fileInput1, img1);
            await loadImage(fileInput2, img2);

            ctx.drawImage(img1, 0, 0, canvas.width, canvas.height);
            const img1Data = ctx.getImageData(0, 0, canvas.width, canvas.height);

            ctx.drawImage(img2, 0, 0, canvas.width, canvas.height);
            const img2Data = ctx.getImageData(0, 0, canvas.width, canvas.height);

            const fusedData = ctx.createImageData(canvas.width, canvas.height);  // Create an empty ImageData object for storing the fused image

            for (let i = 0; i < img1Data.data.length; i += 4) {
                fusedData.data[i] = Math.max(img1Data.data[i], img2Data.data[i]);     // Red
                fusedData.data[i + 1] = Math.max(img1Data.data[i + 1], img2Data.data[i + 1]); // Green
                fusedData.data[i + 2] = Math.max(img1Data.data[i + 2], img2Data.data[i + 2]); // Blue
                fusedData.data[i + 3] = 255; // Alpha (fully opaque)
            }

            ctx.putImageData(fusedData, 0, 0); // Draw the fused image onto the canvas
        }
    </script>
</body>
</html>