mirror of
https://github.com/huggingface/candle.git
synced 2025-06-17 02:58:50 +00:00
Add SAM UI Demo (#854)
* fix tensor flattening * send image data back * sam ui worker example * SAM example * resize container * no need for this
This commit is contained in:
Radamés Ajna
407
candle-wasm-examples/segment-anything/lib-example.html
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407
candle-wasm-examples/segment-anything/lib-example.html
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<html>
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<head>
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<meta content="text/html;charset=utf-8" http-equiv="Content-Type" />
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<title>Candle Segment Anything Model (SAM) Rust/WASM</title>
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</head>
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<body></body>
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</html>
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<style>
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@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");
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html,
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body {
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font-family: "Source Sans 3", sans-serif;
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}
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</style>
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<script src="https://cdn.tailwindcss.com"></script>
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<script type="module">
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// base url for audio examples
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const MODEL_BASEURL =
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"https://huggingface.co/lmz/candle-sam/resolve/main/";
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// models base url
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const MODELS = {
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sam_mobile_tiny: {
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url: "mobile_sam-tiny-vitt.safetensors",
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},
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sam_base: {
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url: "sam_vit_b_01ec64.safetensors",
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},
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};
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const samWorker = new Worker("./samWorker.js", { type: "module" });
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async function segmentPoints(
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modelURL, // URL to the weights file
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modelID, // model ID
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imageURL, // URL to the audio file
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points // {x, y} points to prompt image
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) {
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return new Promise((resolve, reject) => {
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function messageHandler(event) {
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console.log(event.data);
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if ("status" in event.data) {
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updateStatus(event.data);
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}
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if ("error" in event.data) {
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samWorker.removeEventListener("message", messageHandler);
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reject(new Error(event.data.error));
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}
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if (event.data.status === "complete-embedding") {
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samWorker.removeEventListener("message", messageHandler);
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resolve();
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}
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if (event.data.status === "complete") {
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samWorker.removeEventListener("message", messageHandler);
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resolve(event.data.output);
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}
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}
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samWorker.addEventListener("message", messageHandler);
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samWorker.postMessage({
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modelURL,
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modelID,
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imageURL,
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points,
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});
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});
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}
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function updateStatus(statusMessage) {
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statusOutput.innerText = event.data.message;
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}
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const clearBtn = document.querySelector("#clear-btn");
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const canvas = document.querySelector("#canvas");
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const mask = document.querySelector("#mask");
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const ctxCanvas = canvas.getContext("2d");
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const ctxMask = mask.getContext("2d");
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const fileUpload = document.querySelector("#file-upload");
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const dropArea = document.querySelector("#drop-area");
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const dropButtons = document.querySelector("#drop-buttons");
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const imagesExamples = document.querySelector("#image-select");
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const modelSelection = document.querySelector("#model");
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const statusOutput = document.querySelector("#output-status");
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//add event listener to file input
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fileUpload.addEventListener("change", (e) => {
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const target = e.target;
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if (target.files.length > 0) {
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const href = URL.createObjectURL(target.files[0]);
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cleanImageCanvas();
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drawImageCanvas(href);
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setImageEmbeddings(href);
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}
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});
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// add event listener to drop-area
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dropArea.addEventListener("dragenter", (e) => {
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e.preventDefault();
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dropArea.classList.add("border-blue-700");
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});
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dropArea.addEventListener("dragleave", (e) => {
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e.preventDefault();
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dropArea.classList.remove("border-blue-700");
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});
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dropArea.addEventListener("dragover", (e) => {
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e.preventDefault();
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});
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dropArea.addEventListener("drop", (e) => {
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e.preventDefault();
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dropArea.classList.remove("border-blue-700");
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const url = e.dataTransfer.getData("text/uri-list");
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const files = e.dataTransfer.files;
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if (files.length > 0) {
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const href = URL.createObjectURL(files[0]);
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cleanImageCanvas();
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drawImageCanvas(href);
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setImageEmbeddings(href);
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} else if (url) {
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cleanImageCanvas();
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drawImageCanvas(url);
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setImageEmbeddings(url);
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}
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});
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let hasImage = false;
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let isSegmenting = false;
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let isEmbedding = false;
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let currentImageURL = "";
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//add event listener to image examples
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imagesExamples.addEventListener("click", (e) => {
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if (isEmbedding || isSegmenting) {
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return;
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}
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const target = e.target;
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if (target.nodeName === "IMG") {
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const href = target.src;
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cleanImageCanvas();
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drawImageCanvas(href);
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setImageEmbeddings(href);
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}
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});
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//add event listener to clear button
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clearBtn.addEventListener("click", () => {
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cleanImageCanvas();
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});
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//add click event to canvas
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canvas.addEventListener("click", async (event) => {
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if (!hasImage || isEmbedding || isSegmenting) {
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return;
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}
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const targetBox = event.target.getBoundingClientRect();
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const x = (event.clientX - targetBox.left) / targetBox.width;
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const y = (event.clientY - targetBox.top) / targetBox.height;
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isSegmenting = true;
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const { maskURL } = await getSegmentationMask({ x, y });
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isSegmenting = false;
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drawMask(maskURL);
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});
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async function getSegmentationMask(points) {
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const modelID = modelSelection.value;
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const modelURL = MODEL_BASEURL + MODELS[modelID].url;
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const imageURL = currentImageURL;
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const { maskURL } = await segmentPoints(
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modelURL,
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modelID,
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imageURL,
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points
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);
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return { maskURL };
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}
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async function setImageEmbeddings(imageURL) {
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if (isEmbedding) {
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return;
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}
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canvas.classList.remove("cursor-pointer");
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canvas.classList.add("cursor-wait");
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clearBtn.disabled = true;
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const modelID = modelSelection.value;
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const modelURL = MODEL_BASEURL + MODELS[modelID].url;
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isEmbedding = true;
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await segmentPoints(modelURL, modelID, imageURL);
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canvas.classList.remove("cursor-wait");
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canvas.classList.add("cursor-pointer");
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clearBtn.disabled = false;
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isEmbedding = false;
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currentImageURL = imageURL;
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}
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function cleanImageCanvas() {
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ctxCanvas.clearRect(0, 0, canvas.width, canvas.height);
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ctxMask.clearRect(0, 0, canvas.width, canvas.height);
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hasImage = false;
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isEmbedding = false;
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isSegmenting = false;
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currentImageURL = "";
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clearBtn.classList.add("invisible");
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canvas.parentElement.style.height = "auto";
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dropButtons.classList.remove("invisible");
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}
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function drawMask(maskURL) {
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if (!maskURL) {
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throw new Error("No mask URL provided");
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}
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const img = new Image();
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img.crossOrigin = "anonymous";
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img.onload = () => {
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mask.width = canvas.width;
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mask.height = canvas.height;
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ctxMask.drawImage(canvas, 0, 0);
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ctxMask.globalCompositeOperation = "source-atop";
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ctxMask.fillStyle = "rgba(255, 0, 0, 0.6)";
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ctxMask.fillRect(0, 0, canvas.width, canvas.height);
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ctxMask.globalCompositeOperation = "destination-in";
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ctxMask.drawImage(img, 0, 0);
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};
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img.src = maskURL;
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}
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function drawImageCanvas(imgURL) {
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if (!imgURL) {
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throw new Error("No image URL provided");
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}
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ctxCanvas.clearRect(0, 0, canvas.width, canvas.height);
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ctxCanvas.clearRect(0, 0, canvas.width, canvas.height);
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const img = new Image();
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img.crossOrigin = "anonymous";
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img.onload = () => {
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canvas.width = img.width;
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canvas.height = img.height;
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ctxCanvas.drawImage(img, 0, 0);
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canvas.parentElement.style.height = canvas.offsetHeight + "px";
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hasImage = true;
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clearBtn.classList.remove("invisible");
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dropButtons.classList.add("invisible");
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};
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img.src = imgURL;
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}
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const observer = new ResizeObserver((entries) => {
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for (let entry of entries) {
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if (entry.target === canvas) {
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canvas.parentElement.style.height = canvas.offsetHeight + "px";
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}
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}
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});
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observer.observe(canvas);
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</script>
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</head>
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<body class="container max-w-4xl mx-auto p-4">
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<main class="grid grid-cols-1 gap-8 relative">
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<span class="absolute text-5xl -ml-[1em]">🕯️</span>
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<div>
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<h1 class="text-5xl font-bold">Candle Segment Anything</h1>
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<h2 class="text-2xl font-bold">Rust/WASM Demo</h2>
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<p class="max-w-lg">
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Zero-shot image segmentation with
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<a
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href="https://segment-anything.com"
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class="underline hover:text-blue-500 hover:no-underline"
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target="_blank"
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>Segment Anything Model (SAM)</a
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>
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and
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<a
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href="https://github.com/ChaoningZhang/MobileSAM"
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class="underline hover:text-blue-500 hover:no-underline"
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target="_blank"
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>MobileSAM </a
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>. It runs in the browser with a WASM runtime built with
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<a
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href="https://github.com/huggingface/candle/"
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target="_blank"
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class="underline hover:text-blue-500 hover:no-underline"
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>Candle
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</a>
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</p>
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</div>
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<div>
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<label for="model" class="font-medium">Models Options: </label>
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<select
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id="model"
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class="border-2 border-gray-500 rounded-md font-light"
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>
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<option value="sam_mobile_tiny" selected>
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Mobile SAM Tiny (40.6 MB)
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</option>
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<option value="sam_base">SAM Base (375 MB)</option>
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</select>
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</div>
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<div>
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<p class="text-xs italic max-w-lg">
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<b>Note:</b>
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The model's first run may take a few seconds as it loads and caches
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the model in the browser, and then creates the image embeddings. Any
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subsequent clicks on points will be significantly faster.
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</p>
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</div>
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<div class="relative max-w-lg">
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<div class="flex justify-between items-center">
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<div class="px-2 rounded-md inline text-xs">
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<span id="output-status" class="m-auto font-light"></span>
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</div>
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<button
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id="clear-btn"
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class="text-xs bg-white rounded-md disabled:opacity-50 flex gap-1 items-center invisible"
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>
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<svg
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class=""
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xmlns="http://www.w3.org/2000/svg"
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viewBox="0 0 13 12"
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height="1em"
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>
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<path
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d="M1.6.7 12 11.1M12 .7 1.6 11.1"
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stroke="#2E3036"
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stroke-width="2"
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/>
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</svg>
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Clear image
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</button>
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</div>
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<div
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id="drop-area"
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class="flex flex-col items-center justify-center border-2 border-gray-300 border-dashed rounded-xl relative p-20 w-full overflow-hidden"
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>
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<div
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id="drop-buttons"
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class="flex flex-col items-center justify-center space-y-1 text-center relative z-10"
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>
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<svg
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width="25"
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height="25"
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viewBox="0 0 25 25"
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fill="none"
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xmlns="http://www.w3.org/2000/svg"
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>
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<path
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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"
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fill="#000"
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/>
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</svg>
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<div class="flex text-sm text-gray-600">
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<label
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for="file-upload"
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class="relative cursor-pointer bg-white rounded-md font-medium text-blue-950 hover:text-blue-700"
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>
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<span>Drag and drop your image here</span>
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<span class="block text-xs">or</span>
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<span class="block text-xs">Click to upload</span>
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</label>
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</div>
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<input
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id="file-upload"
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name="file-upload"
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type="file"
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class="sr-only"
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/>
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</div>
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<canvas id="canvas" class="absolute w-full"></canvas>
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<canvas
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id="mask"
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class="pointer-events-none absolute w-full"
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></canvas>
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</div>
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<div class="text-right py-2">
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<button
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id="share-btn"
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class="bg-white rounded-md hover:outline outline-orange-200 disabled:opacity-50 invisible"
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>
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<img
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src="https://huggingface.co/datasets/huggingface/badges/raw/main/share-to-community-sm.svg"
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/>
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</button>
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</div>
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</div>
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<div>
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<div
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class="flex gap-3 items-center overflow-x-scroll"
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id="image-select"
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>
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<h3 class="font-medium">Examples:</h3>
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<img
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src="https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/candle/examples/sf.jpg"
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class="cursor-pointer w-24 h-24 object-cover"
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/>
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<img
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src="https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/candle/examples/bike.jpeg"
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class="cursor-pointer w-24 h-24 object-cover"
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/>
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<img
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src="https://huggingface.co/datasets/huggingface/documentation-images/resolve/main/candle/examples/000000000077.jpg"
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class="cursor-pointer w-24 h-24 object-cover"
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/>
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</div>
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</div>
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</main>
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</body>
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</html>
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Block a user