画像濃度値の分散計算
Namespace: fvalgcliAssembly: fvalgcli (in fvalgcli.dll) Version: 3.1.0.0 (3.1.0.11)
Syntax
C# |
---|
public static int fnFIE_img_calc_variance(
FHANDLE himg,
double[] variance
) |
Visual Basic |
---|
Public Shared Function fnFIE_img_calc_variance (
himg As FHANDLE,
variance As Double()
) As Integer |
Parameters
- himg
- Type: fvalgcli..::..FHANDLE
入力画像 ( type: uc8, s16, us16, double )
- variance
- Type: array<System..::..Double>[]()[][]
濃度値の分散の配列。himg のチャネル数分の配列長が必要です。
Return Value
Type:
Int32
以下のエラーコードを返します。
エラーコード:f_err | 内容 |
---|
F_ERR_NONE | 正常終了 |
F_ERR_INVALID_IMAGE | 画像オブジェクトの異常 |
F_ERR_INVALID_PARAM | パラメータ異常 |
F_ERR_NO_LICENCE | ライセンスエラー |
Examples
C# | Copy |
---|
using System;
using System.Collections.Generic;
using System.Text;
using fvalgcli;
namespace TC
{
public partial class FIE
{
[FvPluginExecute]
public void fnFIE_img_calc_variance()
{
int status = (int)f_err.F_ERR_NONE;
FHANDLE hsrc = FHANDLE.Zero;
DOUBLE_PTR values = DOUBLE_PTR.Zero;
try
{
api.fnFIE_load_img_file(TestImageDir + "/testdata/gray_04.bmp", ref hsrc, f_color_img_type.F_COLOR_IMG_TYPE_UC8);
int channels = api.fnFIE_img_get_channels(hsrc);
values = DOUBLE_PTR.alloc(channels);
status = api.fnFIE_img_calc_variance(hsrc, values);
Assert.IsTrue(status == (int)f_err.F_ERR_NONE, "エラーが発生しました。({0})", (f_err)status);
Console.WriteLine("fnFIE_img_calc_variance");
for (int i = 0; i < channels; i++)
Console.WriteLine("values[{0}]={1}", i, values[i]);
}
finally
{
hsrc.Dispose();
values.Dispose();
}
}
}
} |
Visual Basic | Copy |
---|
Imports System.Collections.Generic
Imports System.Text
Imports fvalgcli
Public Partial Class FIE
<FvPluginExecute> _
Public Sub fnFIE_img_calc_variance()
Dim status As Integer = CInt(f_err.F_ERR_NONE)
Dim hsrc As FHANDLE = FHANDLE.Zero
Dim values As DOUBLE_PTR = DOUBLE_PTR.Zero
Try
api.fnFIE_load_img_file(TestImageDir & "/testdata/gray_04.bmp", hsrc, f_color_img_type.F_COLOR_IMG_TYPE_UC8)
Dim channels As Integer = api.fnFIE_img_get_channels(hsrc)
values = DOUBLE_PTR.alloc(channels)
status = api.fnFIE_img_calc_variance(hsrc, values)
Assert.IsTrue(status = CInt(f_err.F_ERR_NONE), "エラーが発生しました。({0})", CType(status, f_err))
Console.WriteLine("fnFIE_img_calc_variance")
For i As Integer = 0 To channels - 1
Console.WriteLine("values[{0}]={1}", i, values(i))
Next
Finally
hsrc.Dispose()
values.Dispose()
End Try
End Sub
End Class |
See Also