paddborder

Performs resizing of image or region map by adding or removing an empty border.

Synopsis

paddborder ll lr hu hd df db [-m mask] [im_in|-] [im_out|-]

Description

paddborder magnifies the input image im_in by adding a border around the input image. If the parameters are negative, this operator shrinks the image.

The size of the border is defined by ll + lr width, hu + hd height and df + db depth.

Pixels in the new border is set to 0.

Parameters

df is the size of the forward border (3D image).
db is the size of the backward border (3D image).
hu is the size of the higher border.
hd is the size of the lower border.
ll is the size of left border.
lr is the size of right border.
df and db are ignored in case of 2D image.

If the parameters are negative, the operator shrinks the image.

Inputs

im_in: an image or a region map.

Outputs

im_out: an object of the same type as im_in.

Result

Returns SUCCESS or FAILURE.

Examples

Adds an empty border around tangram.pan

   paddborder 1 1 1 1 0 0 tangram.pan a.pan

Removes border around tangram.pan

   paddborder -1 -1 -1 -1 0 0 tangram.pan a.pan

C++ prototype

Errc PAddBorder( const Img2duc &im_in, Img2duc &im_out, int ll, int lr, int hu, int hd );

Version française

Agrandissement our réduction d'une image en lui ajoutant un bord à 0.

Author: Régis Clouard