Class

com.johnsnowlabs.nlp.util.io

OcrHelper

Related Doc: package io

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class OcrHelper extends ImageProcessing with Serializable

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Serializable, ImageProcessing, AnyRef, Any
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Inherited
  1. OcrHelper
  2. Serializable
  3. ImageProcessing
  4. AnyRef
  5. Any
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Instance Constructors

  1. new OcrHelper()

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Value Members

  1. final def !=(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  2. final def ##(): Int

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    Definition Classes
    AnyRef → Any

  3. final def ==(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  4. final def asInstanceOf[T0]: T0

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    Definition Classes
    Any

  5. def binarize(bi: BufferedImage): BufferedImage

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  6. def clone(): AnyRef

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  7. def convertToGrayScale(img: BufferedImage): BufferedImage

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    Attributes
    protected
    Definition Classes
    ImageProcessing

  8. def correctSkew(image: BufferedImage, angle: Double, resolution: Double): BufferedImage

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    Attributes
    protected
    Definition Classes
    ImageProcessing

  9. def createDataset(spark: SparkSession, inputPath: String): Dataset[OcrRow]

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  10. def createMap(inputPath: String): Map[String, String]

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  11. def drawRectanglesDataset(spark: SparkSession, dataset: Dataset[_], filenameCol: String = "filename", pagenumCol: String = "pagenum", coordinatesCol: String = "coordinates", outputLocation: String = "./highlighted/", outputSuffix: String = "_draw"): Unit

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  12. def drawRectanglesToFile(inputPath: String, coordinates: List[Coordinate], outputPath: String): Unit

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  13. def drawRectanglesToFile(inputPath: String, coordinates: Seq[Coordinate], outputPath: String): Unit

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  14. def dumpImage(bi: BufferedImage, filename: String): Boolean

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    Attributes
    protected
    Definition Classes
    ImageProcessing

  15. final def eq(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef

  16. def equals(arg0: Any): Boolean

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    Definition Classes
    AnyRef → Any

  17. def erode(bi: BufferedImage, kernelSize: Int): BufferedImage

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  18. def finalize(): Unit

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    Attributes
    protected[java.lang]
    Definition Classes
    AnyRef
    Annotations
    @throws( classOf[java.lang.Throwable] )

  19. def fromSigned(integer: Int): Byte

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  20. def fromUnsigned(byte: Byte): Int

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  21. final def getClass(): Class[_]

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    Definition Classes
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  22. def getEngineMode: Int

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  23. def getFallbackMethod: Boolean

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  24. def getIncludeConfidence: Boolean

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  25. def getMinSizeBeforeFallback: Int

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  26. def getPageIteratorLevel: Int

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  27. def getPageSegMode: Int

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  28. def getPreferredMethod: String

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  29. def getSplitPages: Boolean

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  30. def getSplitRegions: Boolean

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  31. def hashCode(): Int

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    Definition Classes
    AnyRef → Any

  32. final def isInstanceOf[T0]: Boolean

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    Definition Classes
    Any

  33. final def ne(arg0: AnyRef): Boolean

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    Definition Classes
    AnyRef

  34. final def notify(): Unit

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    Definition Classes
    AnyRef

  35. final def notifyAll(): Unit

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    Definition Classes
    AnyRef

  36. def reScaleImage(image: PlanarImage, factor: Float): BufferedImage

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  37. var scalingFactor: Option[Float]

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  38. def setAutomaticSkewCorrection(useIt: Boolean, halfAngle: Double = 5.0, resolution: Double = 1.0): Unit

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  39. def setEngineMode(mode: Int): Unit

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  40. def setEstimateNoise(noiseMethod: String): Unit

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  41. def setFallbackMethod(value: Boolean): Unit

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  42. def setIncludeConfidence(value: Boolean): Unit

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  43. def setMinSizeBeforeFallback(value: Int): Unit

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  44. def setPageIteratorLevel(level: Int): Unit

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  45. def setPageSegMode(mode: Int): Unit

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  46. def setPreferredMethod(value: String): Unit

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  47. def setScalingFactor(factor: Float): Unit

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  48. def setSplitPages(value: Boolean): Unit

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  49. def setSplitRegions(value: Boolean): Unit

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  50. def signedByte2UnsignedInt(byte: Byte): Int

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    Definition Classes
    ImageProcessing

  51. def stdev(histogram: Array[Int]): Double

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  52. final def synchronized[T0](arg0: ⇒ T0): T0

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    Definition Classes
    AnyRef

  53. def thresholdAndInvert(bi: BufferedImage, threshold: Int, maxVal: Int): BufferedImage

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    Attributes
    protected
    Definition Classes
    ImageProcessing

  54. def toBufferedImage(img: Image): BufferedImage

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    Attributes
    protected
    Definition Classes
    ImageProcessing

  55. def toString(): String

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    Definition Classes
    AnyRef → Any

  56. def unsignedInt2signedByte(inte: Int): Byte

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    Definition Classes
    ImageProcessing

  57. def useErosion(useIt: Boolean, kSize: Int = 2, kernelShape: Int = Kernels.SQUARED): Unit

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  58. final def wait(): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

  59. final def wait(arg0: Long, arg1: Int): Unit

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    Definition Classes
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    Annotations
    @throws( ... )

  60. final def wait(arg0: Long): Unit

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    Definition Classes
    AnyRef
    Annotations
    @throws( ... )

Inherited from Serializable

Inherited from ImageProcessing

Inherited from AnyRef

Inherited from Any

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