Document Reader SDK
Document Reader SDK
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Changelog

This page contains notable changes made to the SDK

January 27, 2020 - v5.4

API:

  • Added document authentication based on the detection of the presence of a hologram​

  • Updated document image for NFC chip reading activity animation for USA passport which can be read only when passport book is open

  • Added the ability to disable checking for the presence of a flashlight on the device

  • Added new values to the eCheckDiagnose parameter:

    • PHOTO_WHITE_IR_DONT_MATCH

    • FIELD_POS_CORRECTOR_GLARES_IN_PHOTO_AREA

    • HOLOGRAM_FRAMES_IS_ABSENT

    • HOLOGRAM_HOLO_FIELD_IS_ABSENT

    • FINGERPRINTS_COMPARISON_MISMATCH

    • HOLO_PHOTO_FACE_NOT_DETECTED

    • HOLO_PHOTO_FACE_COMPARISON_FAILED

    • HOLO_PHOTO_FACE_GLARE_IN_CENTER_ABSENT

    • HOLO_ELEMENT_SHAPE_ERROR

    • ALGORITHM_STEPS_ERROR

    • HOLO_AREAS_NOT_LOADED

    • FINISHED_BY_TIMEOUT

  • Updated enumeration values of eImageQualityCheckType​

  • Updated DocumentReaderException enumeration values related to licensing errors that may occur during initialization

  • Fixed an issue with incorrect camera focus in camera activity

  • Fixed an issue in the zoomFactor property. Now when setting a value above the maximum allowed value, the camera will be zoomed to the maximum available value for this camera

Core:

  • Document detection and crop

    • Added Boolean flag processParam.fastDocDetect to shorten the list of candidates to process during document detection in a single image process mode. Enabled by default. This solves the issue introduced in 5.2, that lead to significantly longer processing times on the images with specific backgrounds

    • Improved ID2 MRZ documents cropping in some cases

  • OCR

    • Added support for Amharic (fidäl / Ephiopian)

    • Added support for perforated numbers OCR (different fonts, straight and mirror)

    • Added Boolean flag processParam.checkRequiredTextFields. When enabled, each field in template will be checked for value presence and if the field is marked as required, but has no value, it will have "error" in validity status. Disabled by default

    • Added Boolean flag processParam.updateOCRValidityByGlare. When enabled, OCR field validity will be updated with | tr_GlaresOnField value, if there is a glare over the text field on the image. Disabled by default

    • Improved Latin NN

    • Improved Hebrew NN

  • Barcode

    • Updated Peru ID Card parser

    • Fixed issue with multiple pages processing

  • Text data parsing and validation

    • Implemented conversion from ROC dates (Minguo) into Gregorian

    • Fixed issue with DL class field comparison between barcode and visual

    • Fixed issue with incorrect validity for dates in Hijri

  • Image QA

    • Added new Resolution assessment check. Should be above threshold (150 ppi), otherwise the check will fail. Can be set via processParam.imageQA.dpiThreshold

    • Added new Perspective angle assessment check. Should be below threshold (5 degrees), otherwise the check will fail. Can be set via processParam.imageQA.angleThreshold

    • Added new Documents bounds inside the image check. All document corners should be inside the image, otherwise the check will fail

  • Authenticity

    • Added support for hologram presence detection by analysis of multiple frames

    • Improved patterns check for visible and IR light images

    • Improved patterns check for Russian Federation domestic passport

    • Fixed issue with AV on specific images in IR visibility check

  • Fixed issue with 1- and 8-bit images processing

  • Code quality improved with lots of small issues fixed

Database:

  • 246 countries and territories / 9152 documents included

  • 193 new documents added

  • For details see Supported documents list​

December 3, 2020 - v5.3

API:

  • Added the ability to change the zoom on the scanning screen (isZoomEnabled)

  • Added the ability to set the starting zoom factor for the scanning screen (zoomFactor)

  • Added the ability to change the size of the toolbar (toolbarSize)

  • Added the ability to get cut-out images of barcodes when working without a document description (returnCroppedBarcode)

  • Added new localizations: Bengali, Dutch, Finnish, Greek, Hebrew, Hindi, Japanese, Korean, Malay, Swedish

  • The jsonResult property has been replaced with the rawResult string property in DocumentReaderResults, which contains the original JSON string

  • Added new values to the eVisualFieldType enumeration

  • Deprecated eVisualFieldType enumeration value

  • Added new values to the eCheckDiagnose enumeration

  • Fixed a bug with the incorrect return of an error when processing an RFID chip.

Core:

  • Document detection and crop

    • Improvements in single image process algorithm with more precise cropping

    • Fixed issues with incorrect cropping by inner document lines instead of outer in some cases

    • Fixed issue with cropping large document formats like birth/marriage certificates

    • Fixed issue with incorrect cropping documents with MRZ in some cases

  • Document type recognition

    • New functionality implemented in template description that allows more precise document cropping and resolution determination

    • Fixed issue with MRZ filter for IDL

    • Fixed issue with documentIDList filter working incorrectly

  • OCR

    • Added support for Farsi, Kashmiri, Konkani, Marathi, Sanskrit, Sindhi, Punjabi languages

    • Arabic, Hindi, and Thai languages reading quality greatly improved

    • Added Arabic and Persian numbers correct support

    • Added capability to ignore field mask on recognition when matchTextFieldMask is set to false. By default, we are trying to read a field value with maximum efforts to match the mask and provide a correctly formatted value, making assumptions based on the provided field mask. In case this parameter is disabled, OCR will be done as is and then the recognized value will be matched to the field mask for validity

    • Updated Cyrillic NN with better recognition probability

    • Fixed issue with Latin characters in right-to-left strings (Hebrew, Arabic, etc.) leading to incorrect text direction (RTL, LTR markers)

    • Fixed issue with incorrect recognition probability (over 100)

  • MRZ

    • Added new parsers:

      • Malaysia visa

      • South Sudan ID car

    • Updated parsers

      • Azerbaijan Permanent Resident Card

      • Iceland Residence permit

      • Kenia ID card

      • Mexico ID card

      • Mexico Voting card

      • New Zealand passport

      • Peru ID card

      • USA & CAN Enhanced Driving License

      • USA Permanent Resident Card

      • USA Visa

    • Improved reading of images with color noise over MRZ

    • In IDL with 1-line MRZ, the first character “D” is now always parsed as Ft_Identifier instead of Ft_Document_Class_Code

  • Barcode

    • Added output of the Gf_BarCode graphic field with barcode image for unknown documents, where the barcode was detected and read

    • Updated New York Enhanced Driving License parser

    • Updated US DL parsers – zip code is output with trailing zeros

    • Updated US DL parsers – full names are divided into parts using spaces and commas correctly

    • Fixed issue with Peru ID card data parsing

    • Fixed Brazil ID card consular parser

    • Fixed issue with Code 128 decoding on some samples

    • Fixed rare issue with an extra character added on PDF417 decoding

    • Fixed issue with data parsing of a specific boarding pass leading to an exception

    • Fixed issue with reading multiple codes in series processing, when one code read on one frame, and the other on a different frame

    • Removed Ft_PDF417Codec field generation

    • Optimized processing in series and with multiple-page documents

  • Text data parsing and validation

    • Added correct LCID for fields from RFID DG11 and DG12 for all countries instead of always Latin

    • Added check digit calculation for the Swiss health insurance card

    • Added parsing possibility for Australia DL categories that are dynamically printed on the document

    • Fixed issue with visual vs MRZ comparison for field values that contain Ü. For some countries, MRZ contains UE and for some U

    • Fixed issue with Slovenian Ć transliteration for MRZ comparison

    • Fixed issue with Russian Domestic passport date of expiry validation if the passport was renewed just before 45 years of age

    • Reverted ^ symbol removal in Ft_Surname, Ft_Given_Names and Ft_Surname_And_Given_Names in lexical analysis results. If you need to remove this symbol from a field value, please do this on the client’s side, as this symbol helps to distinguish, for example, between the first and second surnames in some documents

  • Authenticity

    • Fixed issue with Barcode format check result was not available in case barcode should be present in document but cannot be detected or read

  • Added parameter imageDpiOutMin for input resolution adjustment in case, it is too small. By default, the image will be resized up to 200 dpi if it has less resolution. This parameter cannot be less than 100

  • Improved PNG saving speed

  • Fixed issue with incorrect rotation after incorrect face detection

  • Fixed input JSON validation for the correctness

  • Fixed issue with process timeout when processing single images. Now it is ignored

  • Fixed issue with no graphic results available in output if timeout reached

  • Fixed issue with the calculation of PA status by also checking ReadingStatus of the files

Database:

  • 246 countries and territories / 8983 documents included

  • 185 new documents added

  • For details see Supported documents list​

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January 27, 2020 - v5.4
December 3, 2020 - v5.3