yolo-helpers
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Helper functions to use models converted from YOLO in browser and Node.js
75 lines (74 loc) • 2.86 kB
JavaScript
;
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__setModuleDefault(result, mod);
return result;
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.loadYoloModel = loadYoloModel;
const tf = __importStar(require("@tensorflow/tfjs"));
const common_1 = require("./common");
async function loadYoloModel(
/**
* Can be with or without `/model.json`.
*
* Examples:
* - "./saved_model/yolo11n-pose_web_model/model.json"
* - "./saved_model/yolo11n-pose_web_model"
* - "http://localhost:8100/saved_models/yolo11n-pose_web_model/model.json"
* - "https://domain.net/saved_models/yolo11n-pose_web_model"
* - "indexeddb://yolo11n-pose_web_model"
* */
modelUrl) {
if (!modelUrl.endsWith('/model.json')) {
modelUrl = modelUrl + '/model.json';
}
if (!modelUrl.includes('://')) {
let parts = location.pathname.split('/');
if (parts.length > 1) {
parts.splice(parts.length - 1, 1);
}
let prefix = location.origin + parts.join('/');
if (!modelUrl.startsWith('/')) {
modelUrl = '/' + modelUrl;
}
modelUrl = prefix + modelUrl;
}
let model = tf.loadGraphModel(modelUrl);
let metadataUrl = modelUrl.replace(/model\.json$/, 'metadata.yaml');
let metadata = (0, common_1.loadTextFromUrl)(metadataUrl)
.then(text => (0, common_1.parseMetadataYaml)(text))
.catch((e) => {
console.error(`failed to load ${metadataUrl}, error:`, e);
return {};
});
return (0, common_1.combineModelAndMetadata)(await model, await metadata);
}