{"id":1528,"date":"2021-10-13T12:36:05","date_gmt":"2021-10-13T04:36:05","guid":{"rendered":"https:\/\/badgameshow.com\/fly\/?p=1528"},"modified":"2021-10-18T13:53:16","modified_gmt":"2021-10-18T05:53:16","slug":"ml-kit-%e5%85%8d%e8%b2%bb%e5%9c%96%e7%89%87%e6%96%87%e5%ad%97%e8%be%a8%e8%ad%98-text-recognition","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/fly\/ml-kit-%e5%85%8d%e8%b2%bb%e5%9c%96%e7%89%87%e6%96%87%e5%ad%97%e8%be%a8%e8%ad%98-text-recognition\/","title":{"rendered":"ML Kit \u514d\u8cbb\u5716\u7247\u6587\u5b57\u8fa8\u8b58 Text Recognition"},"content":{"rendered":"

ML Kit \u514d\u8cbb\u5716\u7247\u6587\u5b57\u8fa8\u8b58 Text Recognition<\/h1>\n

ML Kit \u514d\u8cbb\u5716\u7247\u6587\u5b57\u8fa8\u8b58 Text Recognition \u53ef\u4ee5\u8fa8\u8b58\u51fa\u4e2d\u6587\uff0c\u9019\u500bSDK\u662f\u514d\u8cbb\u7684\uff0c\u8b93\u4f60\u611f\u53d7\u5230OCR\u7684\u529b\u91cf\uff0c\u96d6\u7136\u8fa8\u8b58\u5ea6\u6c92\u6709\u5230\u5f88\u597d\u4f46\u6211\u76f8\u4fe1Google\u5718\u968a\u6703\u6162\u6162\u958b\u767c\u8d8a\u4f86\u8d8a\u53b2\u5bb3\u3002<\/h5>\n
\n

\u6587\u7ae0\u76ee\u9304<\/h4>\n
    \n
  1. \u5c0e\u5165Recognition Library<\/a><\/li>\n
  2. \u8a2d\u5b9a\u8fa8\u8b58\u7684\u6587\u5b57\u8a9e\u8a00<\/a><\/li>\n
  3. \u53d6\u5f97\u8981\u8fa8\u8b58\u7684\u5716\u7247<\/a><\/li>\n
  4. \u8fa8\u8b58\u5716\u7247\u5f8c\u56de\u50b3\u7684\u8cc7\u6599<\/a><\/li>\n
  5. \u7a0b\u5f0f\u7bc4\u4f8b<\/a><\/li>\n
  6. \u6548\u679c\u5c55\u793a<\/a><\/li>\n
  7. Github<\/a><\/li>\n
  8. \u76f8\u95dc\u53c3\u8003<\/a><\/li>\n<\/ol>\n
    \n

    <\/a><\/p>\n

    1.\u5c0e\u5165Recognition Library<\/h4>\n
    \/\/\u4e2d\u6587\nimplementation 'com.google.mlkit:text-recognition-chinese:16.0.0-beta1'\n\/\/\u65e5\u6587\nimplementation 'com.google.mlkit:text-recognition-japanese:16.0.0-beta1'\n\/\/\u97d3\u6587\nimplementation 'com.google.mlkit:text-recognition-korean:16.0.0-beta1'\n<\/code><\/pre>\n
    <\/a><\/p>\n
    2.\u8a2d\u5b9a\u8fa8\u8b58\u7684\u6587\u5b57\u8a9e\u8a00<\/h4>\n
    val korean = TextRecognition.getClient(KoreanTextRecognizerOptions.Builder().build())\nval chinese = TextRecognition.getClient(ChineseTextRecognizerOptions.Builder().build())\nval japanese = TextRecognition.getClient(JapaneseTextRecognizerOptions.Builder().build())\n<\/code><\/pre>\n
    <\/a><\/p>\n
    3.\u53d6\u5f97\u8981\u8fa8\u8b58\u7684\u5716\u7247<\/h4>\n
    \u5716\u7247\u5728App cache\u5167<\/h5>\n
    <\/a><\/p>\n
    a.\u53d6\u5f97Uri<\/h5>\n
    \/\/\u53d6\u5f97\u6a94\u6848\nval file = File(cacheDir, \"chinese.png\")\nval uri = file.toUri()\n\/\/\u8f49\u6210InputImage\nval image = InputImage.fromFilePath(this, uri)\n<\/code><\/pre>\n
    b.\u53d6\u5f97Bitmap<\/h5>\n
    \/\/\u53d6\u5f97\u6a94\u6848\nval file = File(cacheDir, \"chinese.png\")\nval bitmap = BitmapFactory.decodeFile(file.path)\n\/\/\u8f49\u6210InputImage\nval image = InputImage.fromBitmap(bitmap, 0)\n<\/code><\/pre>\n
    <\/a><\/p>\n
    4.\u8fa8\u8b58\u5716\u7247\u5f8c\u56de\u50b3\u7684\u8cc7\u6599<\/h4>\n
    chinese.process(image)\n    .addOnSuccessListener { visionText ->\n        Log.e(\"success\", visionText.text)\n    }\n    .addOnFailureListener { e ->\n        Log.e(\"failure\", e.message.toString())\n    }\n<\/code><\/pre>\n
    <\/a><\/p>\n
    5.\u7a0b\u5f0f\u7bc4\u4f8b<\/h4>\n
    package com.example.recognizetext\n\nimport android.graphics.BitmapFactory\nimport android.os.Bundle\nimport android.util.Log\nimport androidx.appcompat.app.AppCompatActivity\nimport com.google.mlkit.vision.common.InputImage\nimport com.google.mlkit.vision.text.TextRecognition\nimport com.google.mlkit.vision.text.TextRecognizer\nimport com.google.mlkit.vision.text.chinese.ChineseTextRecognizerOptions\nimport com.google.mlkit.vision.text.japanese.JapaneseTextRecognizerOptions\nimport com.google.mlkit.vision.text.korean.KoreanTextRecognizerOptions\nimport java.io.File\n\nclass MainActivity : AppCompatActivity() {\n\n    override fun onCreate(savedInstanceState: Bundle?) {\n        super.onCreate(savedInstanceState)\n        setContentView(R.layout.activity_main)\n\n        val korean = TextRecognition.getClient(KoreanTextRecognizerOptions.Builder().build())\n        val chinese = TextRecognition.getClient(ChineseTextRecognizerOptions.Builder().build())\n        val japanese = TextRecognition.getClient(JapaneseTextRecognizerOptions.Builder().build())\n\n        \/\/\u4e2d\u6587\n        getText(chinese, File(cacheDir, \"chinese.png\"))\n        \/\/\u65e5\u6587\n        getText(japanese, File(cacheDir, \"japanese.png\"))\n        \/\/\u97d3\u6587\n        getText(korean, File(cacheDir, \"korean.png\"))\n        \/\/\u82f1\u6587\n        getText(chinese, File(cacheDir, \"english.png\"))\n    }\n\n    private fun getText(textRecognizer: TextRecognizer, file: File) {\n        val bitmap = BitmapFactory.decodeFile(file.path)\n        val image = InputImage.fromBitmap(bitmap, 0)\n        textRecognizer.process(image)\n            .addOnSuccessListener { visionText ->\n                Log.e(\"success\", visionText.text)\n            }\n            .addOnFailureListener { e ->\n                Log.e(\"failure\", e.message.toString())\n            }\n    }\n}\n<\/code><\/pre>\n
    <\/a><\/p>\n
    6.\u6548\u679c\u5c55\u793a<\/h4>\n
    <\/a><\/p>\n
    <\/a><\/p>\n
    7.Github<\/h4>\n
    ML Kit \u514d\u8cbb\u5716\u7247\u6587\u5b57\u8fa8\u8b58  Text Recognition  Github<\/a><\/p>\n
    <\/a><\/p>\n
    8.\u76f8\u95dc\u53c3\u8003<\/h4>\n
    https:\/\/developers.google.com\/ml-kit\/vision\/text-recognition\/v2<\/a>
    \n    https:\/\/developers.google.com\/ml-kit\/vision\/text-recognition\/v2\/languages<\/a>
    \n    https:\/\/developers.google.com\/ml-kit\/vision\/text-recognition\/v2\/android<\/a><\/p>\n\n
    <\/div>","protected":false},"excerpt":{"rendered":"
    ML Kit \u514d\u8cbb\u5716\u7247\u6587\u5b57\u8fa8\u8b58 Text Recognition ML Kit \u514d\u8cbb\u5716\u7247\u6587\u5b57\u8fa8\u8b58 Text R … <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[5],"tags":[15,205,206],"class_list":["post-1528","post","type-post","status-publish","format-standard","hentry","category-android","tag-kotlin","tag-ml-kit","tag-text-recognition"],"_links":{"self":[{"href":"https:\/\/badgameshow.com\/fly\/wp-json\/wp\/v2\/posts\/1528","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/fly\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/fly\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/fly\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/fly\/wp-json\/wp\/v2\/comments?post=1528"}],"version-history":[{"count":6,"href":"https:\/\/badgameshow.com\/fly\/wp-json\/wp\/v2\/posts\/1528\/revisions"}],"predecessor-version":[{"id":1537,"href":"https:\/\/badgameshow.com\/fly\/wp-json\/wp\/v2\/posts\/1528\/revisions\/1537"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/fly\/wp-json\/wp\/v2\/media?parent=1528"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/fly\/wp-json\/wp\/v2\/categories?post=1528"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/fly\/wp-json\/wp\/v2\/tags?post=1528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}