Created
January 18, 2024 07:57
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Extract text from image using Google Lens API
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| const fs = require('fs'); | |
| const axios = require('axios'); | |
| const FormData = require('form-data'); | |
| // Function to read the image file as a buffer | |
| const readImageFile = (filePath) => { | |
| return new Promise((resolve, reject) => { | |
| fs.readFile(filePath, (err, data) => { | |
| if (err) { | |
| reject(err); | |
| } else { | |
| resolve(data); | |
| } | |
| }); | |
| }); | |
| }; | |
| // Function to post image as form data | |
| const postImage = async (imagePath, endpointUrl) => { | |
| try { | |
| // Read the image file as a buffer | |
| const imageBuffer = await readImageFile(imagePath); | |
| // Create form data | |
| const formData = new FormData(); | |
| formData.append('encoded_image', imageBuffer, { | |
| filename: 'image.jpg', // Set the filename (adjust as needed) | |
| contentType: 'image/jpeg', // Set the content type (adjust as needed) | |
| }); | |
| // Make a POST request using axios with form data | |
| const response = await axios.post(endpointUrl, formData, { | |
| headers: { | |
| ...formData.getHeaders(), | |
| }, | |
| }); | |
| // Extract data using regex | |
| const regexPattern = /",\[\[(\[".*?"\])\],"/; | |
| const match = response.data.match(regexPattern); | |
| if (match && match[1]) { | |
| const extractedData = match[1]; | |
| console.log('Extracted data:', extractedData); | |
| } else { | |
| console.log('No data matched the regex pattern.'); | |
| } | |
| // console.log('Image posted successfully:', response.data); | |
| } catch (error) { | |
| console.error('Error posting image:', error.message); | |
| } | |
| }; | |
| // Example usage | |
| const imagePath = './image.png'; | |
| const endpointUrl = 'https://lens.google.com/v3/upload'; | |
| postImage(imagePath, endpointUrl); |
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