knowing the coordinates of the face contour of a picture, how to extract the face part separately?
knowing the coordinates of the face contour of a picture, how to extract the face part separately?
get the image data of the specified area
if you still want irregular areas, you can cut
for example, use const coordinate = [[x1jiny1], [x2jiny2]] to express facial coordinates
const canvas = document.createElement('canvas')
const ctx = canvas.getContext('2d')
const coordinate = [[100,100],[200,200]]
const [x1, y1] = coordinate[0];
const [x2, y2] = coordinate[1];
const clipWidth = Math.abs(x2 - x1);
const clipHeight = Math.abs(y2 - y1);
const img = new Image()
img.src = "URL"
img.onload = ()=>{
ctx.drawImage(img,x1,y1,clipWidth,clipHeight,0,0,clipWidth,clipHeight)
const data = canvas.toDataURL('image/png')
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