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DOC: Add note about expanded masking
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@@ -22,6 +22,8 @@ def sobel(image, mask=None):
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Image to process.
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mask : array_like, dtype=bool, optional
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An optional mask to limit the application to a certain area.
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Note that pixels surrounding masked regions are also masked to
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prevent masked regions from affecting the result.
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Returns
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-------
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@@ -49,6 +51,8 @@ def hsobel(image, mask=None):
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Image to process.
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mask : array_like, dtype=bool, optional
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An optional mask to limit the application to a certain area.
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Note that pixels surrounding masked regions are also masked to
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prevent masked regions from affecting the result.
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Returns
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-------
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@@ -88,6 +92,8 @@ def vsobel(image, mask=None):
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Image to process
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mask : array_like, dtype=bool, optional
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An optional mask to limit the application to a certain area
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Note that pixels surrounding masked regions are also masked to
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prevent masked regions from affecting the result.
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Returns
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-------
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@@ -127,6 +133,8 @@ def prewitt(image, mask=None):
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Image to process.
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mask : array_like, dtype=bool, optional
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An optional mask to limit the application to a certain area.
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Note that pixels surrounding masked regions are also masked to
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prevent masked regions from affecting the result.
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Returns
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-------
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@@ -150,6 +158,8 @@ def hprewitt(image, mask=None):
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Image to process.
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mask : array_like, dtype=bool, optional
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An optional mask to limit the application to a certain area.
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Note that pixels surrounding masked regions are also masked to
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prevent masked regions from affecting the result.
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Returns
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-------
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@@ -189,6 +199,8 @@ def vprewitt(image, mask=None):
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Image to process.
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mask : array_like, dtype=bool, optional
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An optional mask to limit the application to a certain area.
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Note that pixels surrounding masked regions are also masked to
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prevent masked regions from affecting the result.
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Returns
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-------
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