Zimmermann_Hidden_Monotonicity_Explaining_Deep_Neural_Networks_via_their_DC_Decomposition@CVPR2026@CVF

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#1 Hidden Monotonicity: Explaining Deep Neural Networks via their DC Decomposition [PDF] [Copy] [Kimi] [REL]

Authors: Jakob Paul Zimmermann, Georg Loho

It has been demonstrated in various contexts that monotonicity leads to better explainability in neural networks. However, not every function can be well approximated by a monotone neural network.We demonstrate that monotonicity can still be used in two ways to boost explainability. First, we use an adaptation of the decomposition of a trained ReLU network into two monotone and convex parts, thereby overcoming numerical obstacles from an inherent blowup of the weights in this procedure. Our proposed saliency methods -- SplitCAM and SplitLRP --improve onstate of the art results on both VGG16 and Resnet18 networks on ImageNet-S across all Quantus saliency metric categories.Second, we exhibit that training a model as the difference between two monotone neural networks results in a system with strong self-explainability properties.

Subject: CVPR.2026 - Highlight