Created
March 27, 2016 12:01
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OCR via Google Vision API
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| var fs = require('fs'); | |
| var request = require('request'); | |
| var base64 = require('base64-stream'); | |
| var JSONStream = require('JSONStream'); | |
| var visionArgs = {key: fs.readFileSync('vision.key')}; | |
| var visionUrl = 'https://vision.googleapis.com/v1/images:annotate'; | |
| var reader = process.stdin.pipe(base64.encode()); | |
| var writer = request.post({ | |
| json: true, | |
| qs: visionArgs, | |
| url: visionUrl, | |
| }); | |
| writer.once('pipe', function() { | |
| this.write( '{"requests":[{ "image":{"content":"' ); | |
| }); | |
| reader.once('end', function() { | |
| writer.end( '"}, "features":[{"type":"TEXT_DETECTION","maxResults":1}] }]}' ); | |
| }) | |
| reader.pipe(writer) | |
| .pipe(JSONStream.parse('responses.*.textAnnotations.*.description')) | |
| .pipe(process.stdout) |
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