Class VLFrameChange.TVLFrameChange
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*[[Property SLCommonFilter.TSLBasicThreadedEnableFilter.Enabled|Enabled]]  | *[[Property SLCommonFilter.TSLBasicThreadedEnableFilter.Enabled|Enabled]]  | ||
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== From [[Class SLCommonFilter.TSLBasicThreadedFilter|TSLBasicThreadedFilter]] ==  | == From [[Class SLCommonFilter.TSLBasicThreadedFilter|TSLBasicThreadedFilter]] ==  | ||
Revision as of 20:29, 10 June 2013
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Package: VideoLabPkg
Unit: VLFrameChange
Inherits: TVLCommonFilter
Contents | 
Syntax
Delphi:
type TVLFrameChange = class( TVLCommonFilter )
C++ Builder:
class TVLFrameChange : public TVLCommonFilter
Visual C++ (MFC):
class CTVLFrameChange : public CTVLCommonFilter
C# (.NET):
public ref class TVLFrameChange : Mitov.VideoLab.CommonFilter
Summary
Combines two sequential frames.
Description
Combines two sequential frames, and produces a new frame.
Diagram:
Here are samples of the filter performed over two sample sequential frames:
| Original Frame (N-1): | Original Frame (N): | 
  
 | 
  
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| AbsDiff: | Add: | 
  
 | 
  
 | 
| And: | Or: | 
  
 | 
  
 | 
| Xor: | Multiply: | 
  
 | 
  
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| SubtractNew: | SubtractOld: | 
  
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| DivideNew: | DivideOld: | 
  
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Properties
Published
- FrameChangeOperation - The operation to be performed between the new and the old video frame.
 
From TVLCommonFilter
Properties
Public
Methods
Public
- procedure ProcessFrame(Image : IVLImageBuffer)
 - procedure ProcessFrame(InImage : IVLImageBuffer; var OutImage : IVLImageBuffer)
 - procedure ProcessBitmap(InBitmap : TBitmap; OutBitmap : TBitmap)
 












