ノイズ画像生成(uniform noise)
Namespace: fvalgcliAssembly: fvalgcli (in fvalgcli.dll) Version: 3.1.0.0 (3.1.0.11)
Syntax
C# |
---|
public static int fnFIE_generate_noise_uniform(
FHANDLE hsrcdst,
double low,
double high,
uint seed
) |
Visual Basic |
---|
Public Shared Function fnFIE_generate_noise_uniform (
hsrcdst As FHANDLE,
low As Double,
high As Double,
seed As UInteger
) As Integer |
Parameters
- hsrcdst
- Type: fvalgcli..::..FHANDLE
処理対象画像( type: double )
- low
- Type: System..::..Double
一様に分布する値の範囲の下限
- high
- Type: System..::..Double
一様に分布する値の範囲の上限
- seed
- Type: System..::..UInt32
擬似乱数ジェネレータの初期シード値
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、または未初期化エラー |
Examples
C# | Copy |
---|
using System;
using System.Collections.Generic;
using System.Text;
using fvalgcli;
namespace TC
{
public partial class FIE
{
[FvPluginExecute]
public void fnFIE_generate_noise_uniform()
{
int status = (int)f_err.F_ERR_NONE;
FHANDLE hsrcdst = FHANDLE.Zero;
FHANDLE saveimg = FHANDLE.Zero;
const double low = 50;
const double high = 100;
const uint seed = 3;
try
{
hsrcdst = api.fnFIE_img_root_alloc((int)f_imgtype.F_IMG_DOUBLE, 1, 256, 256);
api.fnFIE_img_clear(hsrcdst, 255);
status = api.fnFIE_generate_noise_uniform(hsrcdst, low, high, seed);
Assert.IsTrue(status == (int)f_err.F_ERR_NONE, "エラーが発生しました。({0})", (f_err)status);
{
saveimg = api.fnFIE_img_root_alloc(
(int)f_imgtype.F_IMG_UC8, 1,
api.fnFIE_img_get_width(hsrcdst),
api.fnFIE_img_get_height(hsrcdst)
);
api.fnFIE_img_copy(hsrcdst, saveimg);
api.fnFIE_save_png(ResultDir + "/fnFIE_generate_noise_uniform.png", saveimg, -1);
}
}
finally
{
hsrcdst.Dispose();
saveimg.Dispose();
}
}
}
} |
Visual Basic | Copy |
---|
Imports System.Collections.Generic
Imports System.Text
Imports fvalgcli
Public Partial Class FIE
<FvPluginExecute> _
Public Sub fnFIE_generate_noise_uniform()
Dim status As Integer = CInt(f_err.F_ERR_NONE)
Dim hsrcdst As FHANDLE = FHANDLE.Zero
Dim saveimg As FHANDLE = FHANDLE.Zero
Const low As Double = 50
Const high As Double = 100
Const seed As UInteger = 3
Try
hsrcdst = api.fnFIE_img_root_alloc(CInt(f_imgtype.F_IMG_DOUBLE), 1, 256, 256)
api.fnFIE_img_clear(hsrcdst, 255)
status = api.fnFIE_generate_noise_uniform(hsrcdst, low, high, seed)
Assert.IsTrue(status = CInt(f_err.F_ERR_NONE), "エラーが発生しました。({0})", CType(status, f_err))
If True Then
saveimg = api.fnFIE_img_root_alloc(CInt(f_imgtype.F_IMG_UC8), 1, api.fnFIE_img_get_width(hsrcdst), api.fnFIE_img_get_height(hsrcdst))
api.fnFIE_img_copy(hsrcdst, saveimg)
api.fnFIE_save_png(ResultDir & "/fnFIE_generate_noise_uniform.png", saveimg, -1)
End If
Finally
hsrcdst.Dispose()
saveimg.Dispose()
End Try
End Sub
End Class |
See Also