A pseudo-feature to indicate that another feature should not be performed in a given area.

If no object is found, the detector will return the entire image area.

Checks that the region does not match the attribute.

Not implemented

• Name (string, must be set) attribute unique name
• Type (string, must be "LogicNot") attribute type
• Weight (double, default: 1) attribute weight
• Probability (double, default: 0.75) not used in this attribute
• Contour (bool, default: true) not used in this attribute

• A (string, must be set) The attribute to deny, must be declared in the AttributeLib tag above this one.

<?xml version="1.0" ?>

<AttributeLib>
    
    <Attribute Name="HistDarkRed" Type="HistColor" Histogram="histograms/DarkRed.yaml" Probability="0.4"/>       
    
    <Attribute Name="NotRed" Type="LogicNot" A="HistDarkRed"/>
    
</AttributeLib>

<SimpleObjectBase>  

    <SimpleObject Name="NotRedCup" ID="63" Probability="0.5" Mode="Soft">                   
        <Attribute Type="Detect">CupDnn</Attribute>        
        <Attribute Type="Check">NotRed</Attribute>        
    </SimpleObject>            
    
</SimpleObjectBase>

As you can see, using this attribute, only a white cup was recognized. An example of the second cup is taken from here, and shows that the CNN detector has triggered.