介绍TopographicICA原理Inordinaryindependentcomponentanalysis,thecomponentsareassumedtobecompletelyindependent,andtheydonotnecessarilyhaveanymeaningfulorderrelationships.Inpractice,however,theestimated“independent”componentsareoftennotatallindependent.Weproposethatthisresidualdependencestructur