remove_noise_regionremove_noise_regionRemoveNoiseRegionRemoveNoiseRegionremove_noise_region (算子)

名称

remove_noise_regionremove_noise_regionRemoveNoiseRegionRemoveNoiseRegionremove_noise_region — 移除某个区域的噪声。

签名

描述

remove_noise_regionremove_noise_regionRemoveNoiseRegionRemoveNoiseRegionRemoveNoiseRegionremove_noise_region removes noise from a region. Depending on TypeTypeTypeTypetypetype one of the following structuring elements will be used:

'n_4'

A structuring element consisting of the four 4-neighbors of a point is being used: .X. X.X .X.

'n_8'

A structuring element consisting of the four 8-neighbors of a point is being used: X.X ... X.X

'n_48'

A structuring element consisting of the four 4-neighbors and the four 8-neighbors of a point is being used: XXX X.X XXX

A dilation with this structuring element is performed and the intersection of the result and the input region is calculated. Thus, all pixels having no according neighbors are removed.

执行信息

• 多线程类型：可重入（与非独占算子并行运行）。
• 多线程作用域：全局（可从任何线程调用）。
• 在元组级别上自动并行化。

参数

复杂度

Let F be the area of the input region. Then the runtime complexity is

结果

remove_noise_regionremove_noise_regionRemoveNoiseRegionRemoveNoiseRegionRemoveNoiseRegionremove_noise_region 在所有参数正确时返回 2 ( H_MSG_TRUE )。当输入为空（未指定区域）时则可设置行为通过 set_system('no_object_result',<Result>)set_system("no_object_result",<Result>)SetSystem("no_object_result",<Result>)SetSystem("no_object_result",<Result>)SetSystem("no_object_result",<Result>)set_system("no_object_result",<Result>)。如有必要，则抛出异常。

可能的前趋

connectionconnectionConnectionConnectionConnectionconnection, regiongrowingregiongrowingRegiongrowingRegiongrowingRegiongrowingregiongrowing, pouringpouringPouringPouringPouringpouring, class_ndim_normclass_ndim_normClassNdimNormClassNdimNormClassNdimNormclass_ndim_norm

可能的后继

select_shapeselect_shapeSelectShapeSelectShapeSelectShapeselect_shape

另见

dilation1dilation1Dilation1Dilation1Dilation1dilation1, intersectionintersectionIntersectionIntersectionIntersectionintersection, gen_region_pointsgen_region_pointsGenRegionPointsGenRegionPointsGenRegionPointsgen_region_points

模块

基础