Image Functions let you perform computer vision functional operations on your image/frame inputs.
Image Functions component needs to have the category and function defined before defining input and output ports to it. Each Image Function has it's own input and output port limitations.
After defining your Category and Function for this Image Functions component, you can see your input and output limitation in your Input Ports and Output Ports tabs respectively.
You can define your input ports in Input Ports tab, adhering to the input limitation. For each port you need to choose parameter name. Parameters are the arguments for selected function.
You can define your output ports in Output Ports tab, adhering to the output limitation. For each port you need to choose parameter name. Parameters are the outputs for selected function.