Jordan A Carlson, Jessa K Engelberg, Kelli L Cain, Terry L Conway, Alex M Mignano, Edith A Bonilla, Carrie Geremia, James F Sallis
Implementing classroom physical activity breaks: Associations with student physical activity and classroom behavior
Preventive medicine
propose blackbox counterfactual explainer designed explain image classification models medical applications classical approaches eg saliency maps assess feature importance explain imaging features important anatomical regions relevant classification decision reasoning crucial transparent decisionmaking healthcare applications framework explains decision target class gradually exaggerating semantic effect class query image adopted generative adversarial network gan generate progressive set perturbations query image classification decision changes original class negation proposed loss function preserves essential details eg support devices generated images used counterfactual explanations framework audit classifier trained chest xray dataset multiple labels clinical evaluation model explanations challenging task proposed clinicallyrelevant quantitative metrics cardiothoracic ratio score healthy costophrenic recess evaluate explanations used metrics quantify counterfactual changes populations negative positive decisions diagnosis given classifier conducted humangrounded experiment diagnostic radiology residents compare different styles explanations explanation saliency map cyclegan explanation counterfactual explanation evaluating different aspects explanations 1 understandability 2 classifiers decision justification 3 visual quality identity preservation 5 overall helpfulness explanation users results show counterfactual explanation explanation method significantly improved users understanding classifiers decision compared noexplanation baseline metrics established benchmark evaluating model explanation methods medical images explanations revealed classifier relied clinically relevant radiographic features diagnostic decisions thus making decisionmaking process transparent enduser