[{"data":1,"prerenderedAt":1130},["ShallowReactive",2],{"navigation_docs_en":3,"-en-advance-guide-classification-and-orientation":173,"-en-advance-guide-classification-and-orientation-surround":1125},[4,30,109,153],{"title":5,"path":6,"stem":7,"children":8,"page":29},"Getting Started","\u002Fen\u002Fgetting-started","en\u002F01.getting-started",[9,14,19,24],{"title":10,"path":11,"stem":12,"icon":13},"Introduction","\u002Fen\u002Fgetting-started\u002Fintroduction","en\u002F01.getting-started\u002F1.introduction","i-ph-rocket",{"title":15,"path":16,"stem":17,"icon":18},"Installation","\u002Fen\u002Fgetting-started\u002Finstallation","en\u002F01.getting-started\u002F2.installation","i-ph-download",{"title":20,"path":21,"stem":22,"icon":23},"Quick Start","\u002Fen\u002Fgetting-started\u002Fquick-start","en\u002F01.getting-started\u002F3.quick-start","i-ph-play",{"title":25,"path":26,"stem":27,"icon":28},"Live Demo","\u002Fen\u002Fgetting-started\u002Flive-demo","en\u002F01.getting-started\u002F4.live-demo","i-ph-sparkle",false,{"title":31,"path":32,"stem":33,"children":34,"page":29},"How To","\u002Fen\u002Fhow-to","en\u002F02.how-to",[35,40,45,50,55,60,65,70,75,79,84,89,94,99,104],{"title":36,"path":37,"stem":38,"icon":39},"Use Rust","\u002Fen\u002Fhow-to\u002Fuse-rust","en\u002F02.how-to\u002F00.use-rust","simple-icons-rust",{"title":41,"path":42,"stem":43,"icon":44},"Use .NET \u002F C#","\u002Fen\u002Fhow-to\u002Fuse-csharp","en\u002F02.how-to\u002F01.use-csharp","simple-icons-dotnet",{"title":46,"path":47,"stem":48,"icon":49},"Use React Native","\u002Fen\u002Fhow-to\u002Fuse-react-native","en\u002F02.how-to\u002F02.use-react-native","simple-icons-react",{"title":51,"path":52,"stem":53,"icon":54},"Use iOS (Swift)","\u002Fen\u002Fhow-to\u002Fuse-ios-swift","en\u002F02.how-to\u002F03.use-ios-swift","simple-icons-apple",{"title":56,"path":57,"stem":58,"icon":59},"Use Android (Kotlin)","\u002Fen\u002Fhow-to\u002Fuse-android-kotlin","en\u002F02.how-to\u002F04.use-android-kotlin","simple-icons-android",{"title":61,"path":62,"stem":63,"icon":64},"Use C FFI","\u002Fen\u002Fhow-to\u002Fuse-c-ffi","en\u002F02.how-to\u002F05.use-c-ffi","simple-icons-c",{"title":66,"path":67,"stem":68,"icon":69},"Use CLI","\u002Fen\u002Fhow-to\u002Fuse-cli","en\u002F02.how-to\u002F06.use-cli","simple-icons-gnubash",{"title":71,"path":72,"stem":73,"icon":74},"Use Web","\u002Fen\u002Fhow-to\u002Fuse-web","en\u002F02.how-to\u002F07.use-web","simple-icons-javascript",{"title":76,"path":77,"stem":78,"icon":49},"Use React","\u002Fen\u002Fhow-to\u002Fuse-react","en\u002F02.how-to\u002F08.use-react",{"title":80,"path":81,"stem":82,"icon":83},"Use Node.js","\u002Fen\u002Fhow-to\u002Fuse-node","en\u002F02.how-to\u002F09.use-node","simple-icons-nodedotjs",{"title":85,"path":86,"stem":87,"icon":88},"Use Python","\u002Fen\u002Fhow-to\u002Fuse-python","en\u002F02.how-to\u002F10.use-python","simple-icons-python",{"title":90,"path":91,"stem":92,"icon":93},"Use Golang","\u002Fen\u002Fhow-to\u002Fuse-golang","en\u002F02.how-to\u002F11.use-golang","simple-icons-go",{"title":95,"path":96,"stem":97,"icon":98},"Use Java & JVM","\u002Fen\u002Fhow-to\u002Fuse-java","en\u002F02.how-to\u002F12.use-java","simple-icons-openjdk",{"title":100,"path":101,"stem":102,"icon":103},"Use Flutter & Dart","\u002Fen\u002Fhow-to\u002Fuse-flutter","en\u002F02.how-to\u002F13.use-flutter","simple-icons-flutter",{"title":105,"path":106,"stem":107,"icon":108},"Use Decoded RGB Input","\u002Fen\u002Fhow-to\u002Fuse-decoded-rgb","en\u002F02.how-to\u002F14.use-decoded-rgb","lucide-image",{"title":110,"path":111,"stem":112,"children":113,"page":29},"Advance Guide","\u002Fen\u002Fadvance-guide","en\u002F03.advance-guide",[114,119,124,129,134,139,144,149],{"title":115,"path":116,"stem":117,"icon":118},"Models & Tiers","\u002Fen\u002Fadvance-guide\u002Fmodels-and-tiers","en\u002F03.advance-guide\u002F01.models-and-tiers","i-ph-cube",{"title":120,"path":121,"stem":122,"icon":123},"Multilingual OCR","\u002Fen\u002Fadvance-guide\u002Fmultilingual-ocr","en\u002F03.advance-guide\u002F02.multilingual-ocr","i-ph-translate",{"title":125,"path":126,"stem":127,"icon":128},"Spatial Layout Reconstruction","\u002Fen\u002Fadvance-guide\u002Fspatial-layout-reconstruction","en\u002F03.advance-guide\u002F03.spatial-layout-reconstruction","i-ph-layout",{"title":130,"path":131,"stem":132,"icon":133},"Image Preprocessing & Tuning","\u002Fen\u002Fadvance-guide\u002Fimage-preprocessing-and-tuning","en\u002F03.advance-guide\u002F04.image-preprocessing-and-tuning","i-ph-sliders",{"title":135,"path":136,"stem":137,"icon":138},"Classification & Orientation","\u002Fen\u002Fadvance-guide\u002Fclassification-and-orientation","en\u002F03.advance-guide\u002F05.classification-and-orientation","i-ph-arrows-clockwise",{"title":140,"path":141,"stem":142,"icon":143},"Performance & Benchmarks","\u002Fen\u002Fadvance-guide\u002Fperformance-and-benchmarks","en\u002F03.advance-guide\u002F06.performance-and-benchmarks","i-ph-chart-line-up",{"title":145,"path":146,"stem":147,"icon":148},"Troubleshooting","\u002Fen\u002Fadvance-guide\u002Ftroubleshooting","en\u002F03.advance-guide\u002F07.troubleshooting","i-ph-wrench",{"title":150,"path":151,"stem":152,"icon":138},"v0.2 to v0.3","\u002Fen\u002Fadvance-guide\u002Fmigration-guide","en\u002F03.advance-guide\u002F08.migration-guide",{"title":154,"path":155,"stem":156,"children":157,"page":29},"Api Reference","\u002Fen\u002Fapi-reference","en\u002F04.api-reference",[158,163,168],{"title":159,"path":160,"stem":161,"icon":162},"InitializeConfig","\u002Fen\u002Fapi-reference\u002Finitialize-config","en\u002F04.api-reference\u002F01.initialize-config","i-ph-code-block",{"title":164,"path":165,"stem":166,"icon":167},"OcrRunOptions","\u002Fen\u002Fapi-reference\u002Focr-run-options","en\u002F04.api-reference\u002F02.ocr-run-options","i-ph-faders",{"title":169,"path":170,"stem":171,"icon":172},"TextResult & Output Modes","\u002Fen\u002Fapi-reference\u002Ftext-result-and-output","en\u002F04.api-reference\u002F03.text-result-and-output","i-ph-textbox",{"id":174,"title":135,"body":175,"description":1117,"extension":1118,"links":1119,"meta":1120,"navigation":1121,"path":136,"seo":1122,"stem":137,"__hash__":1124},"docs_en\u002Fen\u002F03.advance-guide\u002F05.classification-and-orientation.md",{"type":176,"value":177,"toc":1107},"minimark",[178,182,185,372,375,380,383,405,410,576,580,586,648,650,654,657,759,762,813,815,819,1103],[179,180,181],"p",{},"Mobile camera captures and document scans often feature skewed angles, upside-down documents, or mixed text directions.",[179,183,184],{},"RustO! provides two distinct orientation correction stages:",[186,187,192],"pre",{"className":188,"code":189,"language":190,"meta":191,"style":191},"language-mermaid shiki shiki-themes material-theme-lighter github-light github-dark monokai","flowchart TD\n    A[\"Raw Input Image\u003Cbr\u002F>(Sideways \u002F Skewed Document)\"] --> B{\"1. Whole-Page Orient?\u003Cbr\u002F>(orient.rten)\"}\n    B -->|Enabled| C[\"Classify & Rotate Page\u003Cbr\u002F>(0°, 90°, 180°, 270°)\"]\n    B -->|Disabled| D[\"2. DBNet Text Detection\u003Cbr\u002F>(Extracts Text Polygon Quads)\"]\n    C --> D\n    D --> E{\"3. Text Line Direction CLS?\u003Cbr\u002F>(cls.rten)\"}\n    E -->|Enabled| F[\"Inspect Crop & Rotate Inverted Lines 180°\"]\n    E -->|Disabled| G[\"4. CTC Text Recognition\u003Cbr\u002F>(rec.rten + dict.txt)\"]\n    F --> G\n","mermaid","",[193,194,195,208,240,266,288,300,318,340,361],"code",{"__ignoreMap":191},[196,197,200,204],"span",{"class":198,"line":199},"line",1,[196,201,203],{"class":202},"sRxSC","flowchart",[196,205,207],{"class":206},"sD0ED"," TD\n",[196,209,211,215,218,222,225,228,231,234,237],{"class":198,"line":210},2,[196,212,214],{"class":213},"s94S9","    A",[196,216,217],{"class":202},"[",[196,219,221],{"class":220},"sLACW","\"Raw Input Image\u003Cbr\u002F>(Sideways \u002F Skewed Document)\"",[196,223,224],{"class":202},"]",[196,226,227],{"class":202}," -->",[196,229,230],{"class":213}," B",[196,232,233],{"class":202},"{",[196,235,236],{"class":220},"\"1. Whole-Page Orient?\u003Cbr\u002F>(orient.rten)\"",[196,238,239],{"class":202},"}\n",[196,241,243,246,249,252,255,258,260,263],{"class":198,"line":242},3,[196,244,245],{"class":213},"    B ",[196,247,248],{"class":202},"-->|",[196,250,251],{"class":220},"Enabled",[196,253,254],{"class":202},"|",[196,256,257],{"class":213}," C",[196,259,217],{"class":202},[196,261,262],{"class":220},"\"Classify & Rotate Page\u003Cbr\u002F>(0°, 90°, 180°, 270°)\"",[196,264,265],{"class":202},"]\n",[196,267,269,271,273,276,278,281,283,286],{"class":198,"line":268},4,[196,270,245],{"class":213},[196,272,248],{"class":202},[196,274,275],{"class":220},"Disabled",[196,277,254],{"class":202},[196,279,280],{"class":213}," D",[196,282,217],{"class":202},[196,284,285],{"class":220},"\"2. DBNet Text Detection\u003Cbr\u002F>(Extracts Text Polygon Quads)\"",[196,287,265],{"class":202},[196,289,291,294,297],{"class":198,"line":290},5,[196,292,293],{"class":213},"    C ",[196,295,296],{"class":202},"-->",[196,298,299],{"class":213}," D\n",[196,301,303,306,308,311,313,316],{"class":198,"line":302},6,[196,304,305],{"class":213},"    D ",[196,307,296],{"class":202},[196,309,310],{"class":213}," E",[196,312,233],{"class":202},[196,314,315],{"class":220},"\"3. Text Line Direction CLS?\u003Cbr\u002F>(cls.rten)\"",[196,317,239],{"class":202},[196,319,321,324,326,328,330,333,335,338],{"class":198,"line":320},7,[196,322,323],{"class":213},"    E ",[196,325,248],{"class":202},[196,327,251],{"class":220},[196,329,254],{"class":202},[196,331,332],{"class":213}," F",[196,334,217],{"class":202},[196,336,337],{"class":220},"\"Inspect Crop & Rotate Inverted Lines 180°\"",[196,339,265],{"class":202},[196,341,343,345,347,349,351,354,356,359],{"class":198,"line":342},8,[196,344,323],{"class":213},[196,346,248],{"class":202},[196,348,275],{"class":220},[196,350,254],{"class":202},[196,352,353],{"class":213}," G",[196,355,217],{"class":202},[196,357,358],{"class":220},"\"4. CTC Text Recognition\u003Cbr\u002F>(rec.rten + dict.txt)\"",[196,360,265],{"class":202},[196,362,364,367,369],{"class":198,"line":363},9,[196,365,366],{"class":213},"    F ",[196,368,296],{"class":202},[196,370,371],{"class":213}," G\n",[373,374],"hr",{},[376,377,379],"h2",{"id":378},"_1-text-line-direction-classifier-cls","1. Text Line Direction Classifier (CLS)",[179,381,382],{},"The CLS model inspects cropped text regions produced by the DBNet detector. If a text line is inverted (180° upside-down), it rotates the crop upright before passing it to the CTC text recognizer.",[384,385,386],"blockquote",{},[179,387,388,391,392,395,396,400,401,404],{},[196,389,390],{},"!NOTE","\nText line direction classification (",[193,393,394],{},"cls.rten",") is supported on ",[397,398,399],"strong",{},"PP-OCRv4"," and ",[397,402,403],{},"PP-OCRv5"," models. PP-OCRv6 models use an orientation-robust recognition network.",[406,407,409],"h3",{"id":408},"initialization-configuration","Initialization Configuration",[186,411,415],{"className":412,"code":413,"language":414,"meta":191,"style":191},"language-rust shiki shiki-themes material-theme-lighter github-light github-dark monokai","use rusto::InitializeConfig;\n\n\u002F\u002F Initialize engine and attach CLS model with 0.9 confidence threshold\nlet config = InitializeConfig::ppv5(\"models\u002Fdet.rten\", \"models\u002Frec.rten\", \"models\u002Fdict.txt\")\n    .with_cls_threshold(\"models\u002Fcls.rten\", 0.9);\n\nlet mut ocr = RustO::initialize(config)?;\n","rust",[193,416,417,437,443,449,505,538,542],{"__ignoreMap":191},[196,418,419,423,427,431,433],{"class":198,"line":199},[196,420,422],{"class":421},"shWJe","use",[196,424,426],{"class":425},"sKvfc"," rusto",[196,428,430],{"class":429},"sGXK2","::",[196,432,159],{"class":425},[196,434,436],{"class":435},"swvn1",";\n",[196,438,439],{"class":198,"line":210},[196,440,442],{"emptyLinePlaceholder":441},true,"\n",[196,444,445],{"class":198,"line":242},[196,446,448],{"class":447},"ss7Ak","\u002F\u002F Initialize engine and attach CLS model with 0.9 confidence threshold\n",[196,450,451,455,459,462,465,467,470,473,477,480,482,485,488,491,493,495,497,500,502],{"class":198,"line":268},[196,452,454],{"class":453},"srJo8","let",[196,456,458],{"class":457},"ss--_"," config ",[196,460,461],{"class":429},"=",[196,463,464],{"class":425}," InitializeConfig",[196,466,430],{"class":429},[196,468,469],{"class":206},"ppv5",[196,471,472],{"class":435},"(",[196,474,476],{"class":475},"siCPE","\"",[196,478,479],{"class":220},"models\u002Fdet.rten",[196,481,476],{"class":475},[196,483,484],{"class":435},",",[196,486,487],{"class":475}," \"",[196,489,490],{"class":220},"models\u002Frec.rten",[196,492,476],{"class":475},[196,494,484],{"class":435},[196,496,487],{"class":475},[196,498,499],{"class":220},"models\u002Fdict.txt",[196,501,476],{"class":475},[196,503,504],{"class":435},")\n",[196,506,507,510,513,515,517,520,522,524,528,532,535],{"class":198,"line":290},[196,508,509],{"class":429},"    .",[196,511,512],{"class":206},"with_cls_threshold",[196,514,472],{"class":435},[196,516,476],{"class":475},[196,518,519],{"class":220},"models\u002Fcls.rten",[196,521,476],{"class":475},[196,523,484],{"class":435},[196,525,527],{"class":526},"sYThS"," 0",[196,529,531],{"class":530},"sMTiH",".",[196,533,534],{"class":526},"9",[196,536,537],{"class":435},");\n",[196,539,540],{"class":198,"line":302},[196,541,442],{"emptyLinePlaceholder":441},[196,543,544,546,550,553,555,558,560,563,565,568,571,574],{"class":198,"line":320},[196,545,454],{"class":453},[196,547,549],{"class":548},"sTNss"," mut",[196,551,552],{"class":457}," ocr ",[196,554,461],{"class":429},[196,556,557],{"class":425}," RustO",[196,559,430],{"class":429},[196,561,562],{"class":206},"initialize",[196,564,472],{"class":435},[196,566,567],{"class":457},"config",[196,569,570],{"class":435},")",[196,572,573],{"class":429},"?",[196,575,436],{"class":435},[406,577,579],{"id":578},"request-local-activation","Request-Local Activation",[179,581,582,583,585],{},"Enable CLS classification for specific scans via ",[193,584,164],{},":",[186,587,589],{"className":412,"code":588,"language":414,"meta":191,"style":191},"let options = OcrRunOptions {\n    classification: Some(true), \u002F\u002F Activates CLS evaluation for this request\n    ..Default::default()\n};\n",[193,590,591,606,627,643],{"__ignoreMap":191},[196,592,593,595,598,600,603],{"class":198,"line":199},[196,594,454],{"class":453},[196,596,597],{"class":457}," options ",[196,599,461],{"class":429},[196,601,602],{"class":425}," OcrRunOptions",[196,604,605],{"class":435}," {\n",[196,607,608,611,613,616,618,621,624],{"class":198,"line":210},[196,609,610],{"class":457},"    classification",[196,612,585],{"class":429},[196,614,615],{"class":425}," Some",[196,617,472],{"class":435},[196,619,620],{"class":530},"true",[196,622,623],{"class":435},"),",[196,625,626],{"class":447}," \u002F\u002F Activates CLS evaluation for this request\n",[196,628,629,632,635,637,640],{"class":198,"line":242},[196,630,631],{"class":429},"    ..",[196,633,634],{"class":425},"Default",[196,636,430],{"class":429},[196,638,639],{"class":206},"default",[196,641,642],{"class":435},"()\n",[196,644,645],{"class":198,"line":268},[196,646,647],{"class":435},"};\n",[373,649],{},[376,651,653],{"id":652},"_2-whole-page-document-orientation-classifier","2. Whole-Page Document Orientation Classifier",[179,655,656],{},"For documents photographed sideways (90° \u002F 270°) or completely upside down (180°):",[186,658,660],{"className":412,"code":659,"language":414,"meta":191,"style":191},"let config = InitializeConfig::ppv5(\"models\u002Fdet.rten\", \"models\u002Frec.rten\", \"models\u002Fdict.txt\")\n    .with_orientation_threshold(\"models\u002Forient.rten\", 0.85);\n\nlet mut ocr = RustO::initialize(config)?;\n",[193,661,662,702,729,733],{"__ignoreMap":191},[196,663,664,666,668,670,672,674,676,678,680,682,684,686,688,690,692,694,696,698,700],{"class":198,"line":199},[196,665,454],{"class":453},[196,667,458],{"class":457},[196,669,461],{"class":429},[196,671,464],{"class":425},[196,673,430],{"class":429},[196,675,469],{"class":206},[196,677,472],{"class":435},[196,679,476],{"class":475},[196,681,479],{"class":220},[196,683,476],{"class":475},[196,685,484],{"class":435},[196,687,487],{"class":475},[196,689,490],{"class":220},[196,691,476],{"class":475},[196,693,484],{"class":435},[196,695,487],{"class":475},[196,697,499],{"class":220},[196,699,476],{"class":475},[196,701,504],{"class":435},[196,703,704,706,709,711,713,716,718,720,722,724,727],{"class":198,"line":210},[196,705,509],{"class":429},[196,707,708],{"class":206},"with_orientation_threshold",[196,710,472],{"class":435},[196,712,476],{"class":475},[196,714,715],{"class":220},"models\u002Forient.rten",[196,717,476],{"class":475},[196,719,484],{"class":435},[196,721,527],{"class":526},[196,723,531],{"class":530},[196,725,726],{"class":526},"85",[196,728,537],{"class":435},[196,730,731],{"class":198,"line":242},[196,732,442],{"emptyLinePlaceholder":441},[196,734,735,737,739,741,743,745,747,749,751,753,755,757],{"class":198,"line":268},[196,736,454],{"class":453},[196,738,549],{"class":548},[196,740,552],{"class":457},[196,742,461],{"class":429},[196,744,557],{"class":425},[196,746,430],{"class":429},[196,748,562],{"class":206},[196,750,472],{"class":435},[196,752,567],{"class":457},[196,754,570],{"class":435},[196,756,573],{"class":429},[196,758,436],{"class":435},[406,760,579],{"id":761},"request-local-activation-1",[186,763,765],{"className":412,"code":764,"language":414,"meta":191,"style":191},"let options = OcrRunOptions {\n    orientation: Some(true), \u002F\u002F Classifies and rotates the whole page before detection\n    ..Default::default()\n};\n",[193,766,767,779,797,809],{"__ignoreMap":191},[196,768,769,771,773,775,777],{"class":198,"line":199},[196,770,454],{"class":453},[196,772,597],{"class":457},[196,774,461],{"class":429},[196,776,602],{"class":425},[196,778,605],{"class":435},[196,780,781,784,786,788,790,792,794],{"class":198,"line":210},[196,782,783],{"class":457},"    orientation",[196,785,585],{"class":429},[196,787,615],{"class":425},[196,789,472],{"class":435},[196,791,620],{"class":530},[196,793,623],{"class":435},[196,795,796],{"class":447}," \u002F\u002F Classifies and rotates the whole page before detection\n",[196,798,799,801,803,805,807],{"class":198,"line":242},[196,800,631],{"class":429},[196,802,634],{"class":425},[196,804,430],{"class":429},[196,806,639],{"class":206},[196,808,642],{"class":435},[196,810,811],{"class":198,"line":268},[196,812,647],{"class":435},[373,814],{},[376,816,818],{"id":817},"cross-binding-example-react-native","📱 Cross-Binding Example (React Native)",[186,820,824],{"className":821,"code":822,"language":823,"meta":191,"style":191},"language-typescript shiki shiki-themes material-theme-lighter github-light github-dark monokai","import { detectText, initialize } from '@rustors\u002Freact-native';\n\n\u002F\u002F Initialize with model references\nawait initialize({\n  preset: 'ppv5',\n  models: {\n    detection: 'det.rten',\n    recognition: 'rec.rten',\n    dictionary: 'dict.txt',\n    classification: 'cls.rten',\n    orientation: 'orient.rten',\n  },\n});\n\n\u002F\u002F Enable orientation correction on demand\nconst results = await detectText(\n  { 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