Object

toolkit.filtering.spatial

QuadraticExpansion

Related Doc: package spatial

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object QuadraticExpansion extends FloatMath

Does a local polynomial expansion of a 2D image assuming constant certainty and a Gaussian applicability. See "Polynomial expansion for orientation and motion estimation," Farneback, section 4.8, equations 4.30

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

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  2. final def ##(): Int

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

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  4. val FilterSize: Int

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    Size of each filter.

  5. val Pi: Float

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    Definition Classes
    FloatMath
  6. val Sigma: Float

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    Width of Gaussian.

  7. def acos(x: Float): Float

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    Definition Classes
    FloatMath
  8. lazy val analysisOperators: VectorField

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    Analysis filters, stacked into a vector field.

  9. val applicability: libcog.Matrix { ... /* 2 definitions in type refinement */ }

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    Gaussian applicability function.

  10. def apply(image: libcog.ScalarField): (libcog.MatrixField, libcog.VectorField, libcog.ScalarField)

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    Project an image into a polynomial expansion with a Gaussian applicability with width 1.

    Project an image into a polynomial expansion with a Gaussian applicability with width 1.

    image

    The 2D image to be expanded into polynomial.

  11. final def asInstanceOf[T0]: T0

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    Any
  12. def asin(x: Float): Float

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    FloatMath
  13. def atan(x: Float): Float

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    Definition Classes
    FloatMath
  14. def atan2(x: Float, y: Float): Float

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    Definition Classes
    FloatMath
  15. def backproject(A: libcog.MatrixField, b: libcog.VectorField, c: libcog.ScalarField): libcog.ScalarField

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    Adjoint operator for apply, reconstructs original image from the polynomial expansion.

    Adjoint operator for apply, reconstructs original image from the polynomial expansion.

    A

    Quadratic term of projection.

    b

    Linear term of projection.

    c

    Constant term of projection.

    returns

    Reconstructed image.

  16. def cbrt(x: Float): Float

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    FloatMath
  17. def ceil(x: Float): Float

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  18. def clone(): AnyRef

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  19. def cos(x: Float): Float

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  20. def cosh(x: Float): Float

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

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  22. def equals(arg0: Any): Boolean

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  23. def exp(x: Float): Float

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    FloatMath
  24. def expm1(x: Float): Float

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    Definition Classes
    FloatMath
  25. val filters: QuadraticBasis

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    Polynomial filters.

  26. def finalize(): Unit

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    @throws( classOf[java.lang.Throwable] )
  27. def floor(x: Float): Float

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

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  29. def hashCode(): Int

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  30. def hypot(x: Float, y: Float): Float

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    FloatMath
  31. final def isInstanceOf[T0]: Boolean

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    Any
  32. def log(x: Float): Float

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    FloatMath
  33. def log10(x: Float): Float

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  34. def log1p(x: Float): Float

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    FloatMath
  35. final def ne(arg0: AnyRef): Boolean

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  36. final def notify(): Unit

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  37. final def notifyAll(): Unit

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  38. def pow(x: Float, y: Float): Float

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    FloatMath
  39. def sin(x: Float): Float

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    FloatMath
  40. def sinh(x: Float): Float

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    FloatMath
  41. def sq(x: Float): Float

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    FloatMath
  42. def sqrt(x: Float): Float

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

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    AnyRef
  44. lazy val synthesisOperators: VectorField

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    Synthesis filters, stacked into a vector field.

  45. def tan(x: Float): Float

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    Definition Classes
    FloatMath
  46. def tanh(x: Float): Float

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    Definition Classes
    FloatMath
  47. def toDegrees(x: Float): Float

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    Definition Classes
    FloatMath
  48. def toRadians(x: Float): Float

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    FloatMath
  49. def toString(): String

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  50. final def wait(): Unit

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

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

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Inherited from FloatMath

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