imshow grayscale
plt.imshow(im, cmap='gray')imshow grayscale
plt.imshow(im, cmap='gray')Grayscale image
This one is the best:
https://pinetools.com/grayscale-imagegrayscale image in canvas
window.onload = function() {
let canvas = document.getElementById("c");
let ctx = canvas.getContext("2d");
canvas.width=50;
canvas.height=50;
let srcImg = document.getElementById("sof");
ctx.drawImage(srcImg, 0, 0, ctx.canvas.width, ctx.canvas.height);
let imgData = ctx.getImageData(0, 0, ctx.canvas.width, ctx.canvas.height);
let pixels = imgData.data;
for (var i = 0; i < pixels.length; i += 4) {
let lightness = parseInt((pixels[i] + pixels[i + 1] + pixels[i + 2])/3);
pixels[i] = lightness;
pixels[i + 1] = lightness;
pixels[i + 2] = lightness;
}
ctx.putImageData(imgData, 0, 0);
}grayscal image converter
This One Works
https://pinetools.com/grayscale-imageCopyright © 2021 Codeinu
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