|
<html> |
|
<head> |
|
<meta content="text/html;charset=utf-8" http-equiv="Content-Type" /> |
|
<title>Candle Segment Anything Model (SAM) Rust/WASM</title> |
|
</head> |
|
<body></body> |
|
</html> |
|
|
|
<!DOCTYPE html> |
|
<html> |
|
<head> |
|
<meta charset="UTF-8" /> |
|
<meta name="viewport" content="width=device-width, initial-scale=1.0" /> |
|
<style> |
|
@import url("https://fonts.googleapis.com/css2?family=Source+Code+Pro:wght@200;300;400&family=Source+Sans+3:wght@100;200;300;400;500;600;700;800;900&display=swap"); |
|
html, |
|
body { |
|
font-family: "Source Sans 3", sans-serif; |
|
} |
|
</style> |
|
<script src="https://cdn.tailwindcss.com"></script> |
|
<script type="module"> |
|
|
|
const MODEL_BASEURL = |
|
"https://huggingface.co/lmz/candle-sam/resolve/main/"; |
|
|
|
|
|
const MODELS = { |
|
sam_mobile_tiny: { |
|
url: "mobile_sam-tiny-vitt.safetensors", |
|
}, |
|
sam_base: { |
|
url: "sam_vit_b_01ec64.safetensors", |
|
}, |
|
}; |
|
const samWorker = new Worker("./samWorker.js", { type: "module" }); |
|
|
|
async function segmentPoints( |
|
modelURL, |
|
modelID, |
|
imageURL, |
|
points |
|
) { |
|
return new Promise((resolve, reject) => { |
|
function messageHandler(event) { |
|
console.log(event.data); |
|
if ("status" in event.data) { |
|
updateStatus(event.data); |
|
} |
|
if ("error" in event.data) { |
|
samWorker.removeEventListener("message", messageHandler); |
|
reject(new Error(event.data.error)); |
|
} |
|
if (event.data.status === "complete-embedding") { |
|
samWorker.removeEventListener("message", messageHandler); |
|
resolve(); |
|
} |
|
if (event.data.status === "complete") { |
|
samWorker.removeEventListener("message", messageHandler); |
|
resolve(event.data.output); |
|
} |
|
} |
|
samWorker.addEventListener("message", messageHandler); |
|
samWorker.postMessage({ |
|
modelURL, |
|
modelID, |
|
imageURL, |
|
points, |
|
}); |
|
}); |
|
} |
|
function updateStatus(statusMessage) { |
|
statusOutput.innerText = event.data.message; |
|
} |
|
|
|
let copyMaskURL = null; |
|
let copyImageURL = null; |
|
const clearBtn = document.querySelector("#clear-btn"); |
|
const maskBtn = document.querySelector("#mask-btn"); |
|
const undoBtn = document.querySelector("#undo-btn"); |
|
const downloadBtn = document.querySelector("#download-btn"); |
|
const canvas = document.querySelector("#canvas"); |
|
const mask = document.querySelector("#mask"); |
|
const ctxCanvas = canvas.getContext("2d"); |
|
const ctxMask = mask.getContext("2d"); |
|
const fileUpload = document.querySelector("#file-upload"); |
|
const dropArea = document.querySelector("#drop-area"); |
|
const dropButtons = document.querySelector("#drop-buttons"); |
|
const imagesExamples = document.querySelector("#image-select"); |
|
const modelSelection = document.querySelector("#model"); |
|
const statusOutput = document.querySelector("#output-status"); |
|
|
|
|
|
fileUpload.addEventListener("input", (e) => { |
|
const target = e.target; |
|
if (target.files.length > 0) { |
|
const href = URL.createObjectURL(target.files[0]); |
|
clearImageCanvas(); |
|
copyImageURL = href; |
|
drawImageCanvas(href); |
|
setImageEmbeddings(href); |
|
togglePointMode(false); |
|
} |
|
}); |
|
|
|
dropArea.addEventListener("dragenter", (e) => { |
|
e.preventDefault(); |
|
dropArea.classList.add("border-blue-700"); |
|
}); |
|
dropArea.addEventListener("dragleave", (e) => { |
|
e.preventDefault(); |
|
dropArea.classList.remove("border-blue-700"); |
|
}); |
|
dropArea.addEventListener("dragover", (e) => { |
|
e.preventDefault(); |
|
}); |
|
dropArea.addEventListener("drop", (e) => { |
|
e.preventDefault(); |
|
dropArea.classList.remove("border-blue-700"); |
|
const url = e.dataTransfer.getData("text/uri-list"); |
|
const files = e.dataTransfer.files; |
|
|
|
if (files.length > 0) { |
|
const href = URL.createObjectURL(files[0]); |
|
clearImageCanvas(); |
|
copyImageURL = href; |
|
drawImageCanvas(href); |
|
setImageEmbeddings(href); |
|
togglePointMode(false); |
|
} else if (url) { |
|
clearImageCanvas(); |
|
copyImageURL = url; |
|
drawImageCanvas(url); |
|
setImageEmbeddings(url); |
|
togglePointMode(false); |
|
} |
|
}); |
|
|
|
let hasImage = false; |
|
let isSegmenting = false; |
|
let isEmbedding = false; |
|
let currentImageURL = ""; |
|
let pointArr = []; |
|
let bgPointMode = false; |
|
|
|
imagesExamples.addEventListener("click", (e) => { |
|
if (isEmbedding || isSegmenting) { |
|
return; |
|
} |
|
const target = e.target; |
|
if (target.nodeName === "IMG") { |
|
const href = target.src; |
|
clearImageCanvas(); |
|
drawImageCanvas(href); |
|
setImageEmbeddings(href); |
|
copyImageURL = href; |
|
} |
|
}); |
|
|
|
maskBtn.addEventListener("click", () => { |
|
togglePointMode(); |
|
}); |
|
|
|
clearBtn.addEventListener("click", () => { |
|
clearImageCanvas(); |
|
togglePointMode(false); |
|
pointArr = []; |
|
}); |
|
|
|
undoBtn.addEventListener("click", () => { |
|
undoPoint(); |
|
}); |
|
|
|
downloadBtn.addEventListener("click", async () => { |
|
|
|
const loadImageAsync = (imageURL) => { |
|
return new Promise((resolve) => { |
|
const img = new Image(); |
|
img.onload = () => { |
|
resolve(img); |
|
}; |
|
img.crossOrigin = "anonymous"; |
|
img.src = imageURL; |
|
}); |
|
}; |
|
const originalImage = await loadImageAsync(copyImageURL); |
|
const maskImage = await loadImageAsync(copyMaskURL); |
|
|
|
|
|
const canvas = document.createElement("canvas"); |
|
const ctx = canvas.getContext("2d"); |
|
canvas.width = originalImage.width; |
|
canvas.height = originalImage.height; |
|
|
|
|
|
ctx.drawImage(maskImage, 0, 0); |
|
ctx.globalCompositeOperation = "source-in"; |
|
ctx.drawImage(originalImage, 0, 0); |
|
|
|
|
|
const blobPromise = new Promise((resolve) => { |
|
canvas.toBlob(resolve); |
|
}); |
|
const blob = await blobPromise; |
|
const resultURL = URL.createObjectURL(blob); |
|
|
|
|
|
const link = document.createElement("a"); |
|
link.href = resultURL; |
|
link.download = "cutout.png"; |
|
link.click(); |
|
}); |
|
|
|
canvas.addEventListener("click", async (event) => { |
|
if (!hasImage || isEmbedding || isSegmenting) { |
|
return; |
|
} |
|
const backgroundMode = event.shiftKey ? bgPointMode^event.shiftKey : bgPointMode; |
|
const targetBox = event.target.getBoundingClientRect(); |
|
const x = (event.clientX - targetBox.left) / targetBox.width; |
|
const y = (event.clientY - targetBox.top) / targetBox.height; |
|
const ptsToRemove = []; |
|
for (const [idx, pts] of pointArr.entries()) { |
|
const d = Math.sqrt((pts[0] - x) ** 2 + (pts[1] - y) ** 2); |
|
if (d < 6 / targetBox.width) { |
|
ptsToRemove.push(idx); |
|
} |
|
} |
|
if (ptsToRemove.length > 0) { |
|
pointArr = pointArr.filter((_, idx) => !ptsToRemove.includes(idx)); |
|
} else { |
|
pointArr = [...pointArr, [x, y, !backgroundMode]]; |
|
} |
|
undoBtn.disabled = false; |
|
downloadBtn.disabled = false; |
|
if (pointArr.length == 0) { |
|
ctxMask.clearRect(0, 0, canvas.width, canvas.height); |
|
undoBtn.disabled = true; |
|
downloadBtn.disabled = true; |
|
return; |
|
} |
|
isSegmenting = true; |
|
const { maskURL } = await getSegmentationMask(pointArr); |
|
isSegmenting = false; |
|
copyMaskURL = maskURL; |
|
drawMask(maskURL, pointArr); |
|
}); |
|
|
|
async function undoPoint() { |
|
if (!hasImage || isEmbedding || isSegmenting) { |
|
return; |
|
} |
|
if (pointArr.length === 0) { |
|
return; |
|
} |
|
pointArr.pop(); |
|
if (pointArr.length === 0) { |
|
ctxMask.clearRect(0, 0, canvas.width, canvas.height); |
|
undoBtn.disabled = true; |
|
return; |
|
} |
|
isSegmenting = true; |
|
const { maskURL } = await getSegmentationMask(pointArr); |
|
isSegmenting = false; |
|
copyMaskURL = maskURL; |
|
drawMask(maskURL, pointArr); |
|
} |
|
function togglePointMode(mode) { |
|
bgPointMode = mode === undefined ? !bgPointMode : mode; |
|
|
|
maskBtn.querySelector("span").innerText = bgPointMode |
|
? "Background Point" |
|
: "Mask Point"; |
|
if (bgPointMode) { |
|
maskBtn.querySelector("#mask-circle").setAttribute("hidden", ""); |
|
maskBtn.querySelector("#unmask-circle").removeAttribute("hidden"); |
|
} else { |
|
maskBtn.querySelector("#mask-circle").removeAttribute("hidden"); |
|
maskBtn.querySelector("#unmask-circle").setAttribute("hidden", ""); |
|
} |
|
} |
|
|
|
async function getSegmentationMask(points) { |
|
const modelID = modelSelection.value; |
|
const modelURL = MODEL_BASEURL + MODELS[modelID].url; |
|
const imageURL = currentImageURL; |
|
const { maskURL } = await segmentPoints( |
|
modelURL, |
|
modelID, |
|
imageURL, |
|
points |
|
); |
|
return { maskURL }; |
|
} |
|
async function setImageEmbeddings(imageURL) { |
|
if (isEmbedding) { |
|
return; |
|
} |
|
canvas.classList.remove("cursor-pointer"); |
|
canvas.classList.add("cursor-wait"); |
|
clearBtn.disabled = true; |
|
const modelID = modelSelection.value; |
|
const modelURL = MODEL_BASEURL + MODELS[modelID].url; |
|
isEmbedding = true; |
|
await segmentPoints(modelURL, modelID, imageURL); |
|
canvas.classList.remove("cursor-wait"); |
|
canvas.classList.add("cursor-pointer"); |
|
clearBtn.disabled = false; |
|
isEmbedding = false; |
|
currentImageURL = imageURL; |
|
} |
|
|
|
function clearImageCanvas() { |
|
ctxCanvas.clearRect(0, 0, canvas.width, canvas.height); |
|
ctxMask.clearRect(0, 0, canvas.width, canvas.height); |
|
hasImage = false; |
|
isEmbedding = false; |
|
isSegmenting = false; |
|
currentImageURL = ""; |
|
pointArr = []; |
|
clearBtn.disabled = true; |
|
canvas.parentElement.style.height = "auto"; |
|
dropButtons.classList.remove("invisible"); |
|
} |
|
function drawMask(maskURL, points) { |
|
if (!maskURL) { |
|
throw new Error("No mask URL provided"); |
|
} |
|
|
|
const img = new Image(); |
|
img.crossOrigin = "anonymous"; |
|
|
|
img.onload = () => { |
|
mask.width = canvas.width; |
|
mask.height = canvas.height; |
|
ctxMask.save(); |
|
ctxMask.drawImage(canvas, 0, 0); |
|
ctxMask.globalCompositeOperation = "source-atop"; |
|
ctxMask.fillStyle = "rgba(255, 0, 0, 0.6)"; |
|
ctxMask.fillRect(0, 0, canvas.width, canvas.height); |
|
ctxMask.globalCompositeOperation = "destination-in"; |
|
ctxMask.drawImage(img, 0, 0); |
|
ctxMask.globalCompositeOperation = "source-over"; |
|
for (const pt of points) { |
|
if (pt[2]) { |
|
ctxMask.fillStyle = "rgba(0, 255, 255, 1)"; |
|
} else { |
|
ctxMask.fillStyle = "rgba(255, 255, 0, 1)"; |
|
} |
|
ctxMask.beginPath(); |
|
ctxMask.arc( |
|
pt[0] * canvas.width, |
|
pt[1] * canvas.height, |
|
3, |
|
0, |
|
2 * Math.PI |
|
); |
|
ctxMask.fill(); |
|
} |
|
ctxMask.restore(); |
|
}; |
|
img.src = maskURL; |
|
} |
|
function drawImageCanvas(imgURL) { |
|
if (!imgURL) { |
|
throw new Error("No image URL provided"); |
|
} |
|
|
|
ctxCanvas.clearRect(0, 0, canvas.width, canvas.height); |
|
ctxCanvas.clearRect(0, 0, canvas.width, canvas.height); |
|
|
|
const img = new Image(); |
|
img.crossOrigin = "anonymous"; |
|
|
|
img.onload = () => { |
|
canvas.width = img.width; |
|
canvas.height = img.height; |
|
ctxCanvas.drawImage(img, 0, 0); |
|
canvas.parentElement.style.height = canvas.offsetHeight + "px"; |
|
hasImage = true; |
|
clearBtn.disabled = false; |
|
dropButtons.classList.add("invisible"); |
|
}; |
|
img.src = imgURL; |
|
} |
|
|
|
const observer = new ResizeObserver((entries) => { |
|
for (let entry of entries) { |
|
if (entry.target === canvas) { |
|
canvas.parentElement.style.height = canvas.offsetHeight + "px"; |
|
} |
|
} |
|
}); |
|
observer.observe(canvas); |
|
</script> |
|
</head> |
|
<body class="container max-w-4xl mx-auto p-4"> |
|
<main class="grid grid-cols-1 gap-8 relative"> |
|
<span class="absolute text-5xl -ml-[1em]">🕯️</span> |
|
<div> |
|
<h1 class="text-5xl font-bold">Candle Segment Anything</h1> |
|
<h2 class="text-2xl font-bold">Rust/WASM Demo</h2> |
|
<p class="max-w-lg"> |
|
Zero-shot image segmentation with |
|
<a |
|
href="https://segment-anything.com" |
|
class="underline hover:text-blue-500 hover:no-underline" |
|
target="_blank" |
|
>Segment Anything Model (SAM)</a |
|
> |
|
and |
|
<a |
|
href="https://github.com/ChaoningZhang/MobileSAM" |
|
class="underline hover:text-blue-500 hover:no-underline" |
|
target="_blank" |
|
>MobileSAM </a |
|
>. It runs in the browser with a WASM runtime built with |
|
<a |
|
href="https://github.com/huggingface/candle/" |
|
target="_blank" |
|
class="underline hover:text-blue-500 hover:no-underline" |
|
>Candle |
|
</a> |
|
</p> |
|
</div> |
|
<div> |
|
<label for="model" class="font-medium">Models Options: </label> |
|
<select |
|
id="model" |
|
class="border-2 border-gray-500 rounded-md font-light"> |
|
<option value="sam_mobile_tiny" selected> |
|
Mobile SAM Tiny (40.6 MB) |
|
</option> |
|
<option value="sam_base">SAM Base (375 MB)</option> |
|
</select> |
|
</div> |
|
<div> |
|
<p class="text-xs italic max-w-lg"> |
|
<b>Note:</b> |
|
The model's first run may take a few seconds as it loads and caches |
|
the model in the browser, and then creates the image embeddings. Any |
|
subsequent clicks on points will be significantly faster. |
|
</p> |
|
</div> |
|
<div class="relative max-w-2xl"> |
|
<div class="flex justify-between items-center"> |
|
<div class="px-2 rounded-md inline text-xs"> |
|
<span id="output-status" class="m-auto font-light"></span> |
|
</div> |
|
<div class="flex gap-2"> |
|
<button |
|
id="mask-btn" |
|
title="Toggle Mask Point and Background Point" |
|
class="text-xs bg-white rounded-md disabled:opacity-50 flex gap-1 items-center"> |
|
<span>Mask Point</span> |
|
<svg |
|
xmlns="http://www.w3.org/2000/svg" |
|
height="1em" |
|
viewBox="0 0 512 512"> |
|
<path |
|
id="mask-circle" |
|
d="M256 512a256 256 0 1 0 0-512 256 256 0 1 0 0 512z" /> |
|
<path |
|
id="unmask-circle" |
|
hidden |
|
d="M464 256a208 208 0 1 0-416 0 208 208 0 1 0 416 0zM0 256a256 256 0 1 1 512 0 256 256 0 1 1-512 0z" /> |
|
</svg> |
|
</button> |
|
<button |
|
id="undo-btn" |
|
disabled |
|
title="Undo Last Point" |
|
class="text-xs bg-white rounded-md disabled:opacity-50 flex gap-1 items-center"> |
|
<svg |
|
xmlns="http://www.w3.org/2000/svg" |
|
height="1em" |
|
viewBox="0 0 512 512"> |
|
<path |
|
d="M48.5 224H40a24 24 0 0 1-24-24V72a24 24 0 0 1 41-17l41.6 41.6a224 224 0 1 1-1 317.8 32 32 0 0 1 45.3-45.3 160 160 0 1 0 1-227.3L185 183a24 24 0 0 1-17 41H48.5z" /> |
|
</svg> |
|
</button> |
|
|
|
<button |
|
id="clear-btn" |
|
disabled |
|
title="Clear Image" |
|
class="text-xs bg-white rounded-md disabled:opacity-50 flex gap-1 items-center"> |
|
<svg |
|
class="" |
|
xmlns="http://www.w3.org/2000/svg" |
|
viewBox="0 0 13 12" |
|
height="1em"> |
|
<path |
|
d="M1.6.7 12 11.1M12 .7 1.6 11.1" |
|
stroke="#2E3036" |
|
stroke-width="2" /> |
|
</svg> |
|
</button> |
|
</div> |
|
</div> |
|
<div |
|
id="drop-area" |
|
class="flex flex-col items-center justify-center border-2 border-gray-300 border-dashed rounded-xl relative p-20 w-full overflow-hidden"> |
|
<div |
|
id="drop-buttons" |
|
class="flex flex-col items-center justify-center space-y-1 text-center relative z-10"> |
|
<svg |
|
width="25" |
|
height="25" |
|
viewBox="0 0 25 25" |
|
fill="none" |
|
xmlns="http://www.w3.org/2000/svg"> |
|
<path |
|
d="M3.5 24.3a3 3 0 0 1-1.9-.8c-.5-.5-.8-1.2-.8-1.9V2.9c0-.7.3-1.3.8-1.9.6-.5 1.2-.7 2-.7h18.6c.7 0 1.3.2 1.9.7.5.6.7 1.2.7 2v18.6c0 .7-.2 1.4-.7 1.9a3 3 0 0 1-2 .8H3.6Zm0-2.7h18.7V2.9H3.5v18.7Zm2.7-2.7h13.3c.3 0 .5 0 .6-.3v-.7l-3.7-5a.6.6 0 0 0-.6-.2c-.2 0-.4 0-.5.3l-3.5 4.6-2.4-3.3a.6.6 0 0 0-.6-.3c-.2 0-.4.1-.5.3l-2.7 3.6c-.1.2-.2.4 0 .7.1.2.3.3.6.3Z" |
|
fill="#000" /> |
|
</svg> |
|
<div class="flex text-sm text-gray-600"> |
|
<label |
|
for="file-upload" |
|
class="relative cursor-pointer bg-white rounded-md font-medium text-blue-950 hover:text-blue-700"> |
|
<span>Drag and drop your image here</span> |
|
<span class="block text-xs">or</span> |
|
<span class="block text-xs">Click to upload</span> |
|
</label> |
|
</div> |
|
<input |
|
id="file-upload" |
|
name="file-upload" |
|
type="file" |
|
class="sr-only" /> |
|
</div> |
|
<canvas id="canvas" class="absolute w-full"></canvas> |
|
<canvas |
|
id="mask" |
|
class="pointer-events-none absolute w-full"></canvas> |
|
</div> |
|
<div class="text-right py-2"> |
|
<button |
|
id="share-btn" |
|
class="bg-white rounded-md hover:outline outline-orange-200 disabled:opacity-50 invisible"> |
|
<img |
|
src="https://huggingface.co/datasets/huggingface/badges/raw/main/share-to-community-sm.svg" /> |
|
</button> |
|
|
|
<button |
|
id="download-btn" |
|
title="Copy result (.png)" |
|
disabled |
|
class="p-1 px-2 text-xs font-medium bg-white rounded-2xl outline outline-gray-200 hover:outline-orange-200 disabled:opacity-50" |
|
> |
|
Download the result (png file) |
|
</button> |
|
</div> |
|
</div> |
|
<div> |
|
<div |
|
class="flex gap-3 items-center overflow-x-scroll" |
|
id="image-select"> |
|
<h3 class="font-medium">Examples:</h3> |
|
|
|
<img |
|
src="https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/candle/examples/sf.jpg" |
|
class="cursor-pointer w-24 h-24 object-cover" /> |
|
<img |
|
src="https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/candle/examples/bike.jpeg" |
|
class="cursor-pointer w-24 h-24 object-cover" /> |
|
<img |
|
src="https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/candle/examples/000000000077.jpg" |
|
class="cursor-pointer w-24 h-24 object-cover" /> |
|
</div> |
|
</div> |
|
</main> |
|
</body> |
|
</html> |
|
|
