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| 1 | +//Copyright (c) Microsoft Corporation. All rights reserved. |
| 2 | +//Licensed under the MIT License. |
| 3 | + |
| 4 | +'use strict'; |
| 5 | + |
| 6 | +let https = require('https'); |
| 7 | + |
| 8 | +/* Add a valid Azure Computer Vision endpoint to your environment variables. |
| 9 | + Example https://northeurope.api.cognitive.microsoft.com/ |
| 10 | +*/ |
| 11 | +let endpoint = process.env['COMPUTER_VISION_ENDPOINT'] |
| 12 | + |
| 13 | +/* Add a valid Azure Computer Vision subscription key to your environment variables. |
| 14 | + Also note v5 and v7 require separate subscription keys. |
| 15 | +*/ |
| 16 | +let key = process.env['COMPUTER_VISION_SUBSCRIPTION_KEY']; |
| 17 | + |
| 18 | +/* Use this url image with text, or replace with your own |
| 19 | +*/ |
| 20 | +let url = 'https://raw.githubusercontent.com/Azure-Samples/cognitive-services-sample-data-files/master/ComputerVision/Images/printed_text.jpg'; |
| 21 | +let detectOrientation = false; |
| 22 | + |
| 23 | +const ComputerVisionClient = require('azure-cognitiveservices-computervision'); |
| 24 | +const CognitiveServicesCredentials = require('ms-rest-azure').CognitiveServicesCredentials; |
| 25 | + |
| 26 | +let credentials = new CognitiveServicesCredentials(key); |
| 27 | +let client = new ComputerVisionClient(credentials, endpoint); |
| 28 | + |
| 29 | +client.recognizePrintedText(detectOrientation, url) |
| 30 | + .then(ocrResult => { |
| 31 | + printOcrResult(ocrResult); |
| 32 | + }); |
| 33 | + |
| 34 | +function printOcrResult(ocrResult) { |
| 35 | + console.log('OcrResult') |
| 36 | + console.log(`language: ${ocrResult.language}`) |
| 37 | + console.log(`textAngle: ${ocrResult.textAngle}`) |
| 38 | + console.log(`orientation: ${ocrResult.orientation}`) |
| 39 | + |
| 40 | + ocrResult.regions.forEach((r, ri) => { |
| 41 | + console.log(`\tRegion ${ri} - boundingBox: ${r.boundingBox}`) |
| 42 | + |
| 43 | + r.lines.forEach((l, li) => { |
| 44 | + console.log(`\t\tLine ${li} - boundingBox: ${l.boundingBox}`) |
| 45 | + |
| 46 | + l.words.forEach((w, wi) => { |
| 47 | + console.log(`\t\t\tWord ${wi} - boundingBox: ${w.boundingBox}`) |
| 48 | + console.log(`\t\t\ttext: ${w.text}`) |
| 49 | + }) |
| 50 | + |
| 51 | + }); |
| 52 | + |
| 53 | + }); |
| 54 | +} |
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