Object

toolkit.filtering.spatial

BorderMask

Related Doc: package spatial

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object BorderMask

Creates a mask for an image with 1's in the center of the "valid" region (for convolution or cross correlation) and 0's around the border.

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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. def apply(fieldShape: libcog.Shape, filterSize: Int): libcog.ScalarField

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    Create a mask for blocking out border pixels where convolution with a filter is not valid (since the convolution extends beyond the border of the image).

    Create a mask for blocking out border pixels where convolution with a filter is not valid (since the convolution extends beyond the border of the image).

    Note that the size of the border equals half the filter size rounded down.

    fieldShape

    Shape of the image to be masked.

    filterSize

    Size of filter that implies the valid region of a convolution.

    returns

    Field with 1's in the center, 0's around border.

  5. final def asInstanceOf[T0]: T0

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  6. def borderPixels(fieldShape: libcog.Shape, filterSize: Int): Int

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    Compute the number of invalid border pixels for an input image if convolved with a filter.

    Compute the number of invalid border pixels for an input image if convolved with a filter.

    fieldShape

    Shape of input image.

    filterSize

    Size of filter to be convolved with input image.

    returns

    Number of border points in the output of the convolution.

  7. def clone(): AnyRef

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  18. def toString(): String

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  19. def validPixels(fieldShape: libcog.Shape, filterSize: Int): Int

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    Compute the number of valid pixels for an input image if convolved with a filter.

    Compute the number of valid pixels for an input image if convolved with a filter.

    fieldShape

    Shape of input image.

    filterSize

    Size of filter to be convolved with input image.

    returns

    Number of valid points in the output of the convolution.

  20. final def wait(): Unit

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

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