Regularized Adaptation for Stable and Efficient Continuous-Level Learning on Image Processing Networks

• URL: http://arxiv.org/abs/2003.05145v2
• Date: Thu, 12 Mar 2020 03:52:48 GMT
• Title: Regularized Adaptation for Stable and Efficient Continuous-Level Learning on Image Processing Networks
• Authors: Hyeongmin Lee, Taeoh Kim, Hanbin Son, Sangwook Baek, Minsu Cheon, Sangyoun Lee
• Abstract summary: We propose a novel continuous-level learning framework using a Filter Transition Network (FTN) FTN is a non-linear module that easily adapt to new levels, and is regularized to prevent undesirable side-effects. Extensive results for various image processing indicate that the performance of FTN is stable in terms of adaptation and adaptation.
• Score: 7.730087303035803
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: In Convolutional Neural Network (CNN) based image processing, most of the studies propose networks that are optimized for a single-level (or a single-objective); thus, they underperform on other levels and must be retrained for delivery of optimal performance. Using multiple models to cover multiple levels involves very high computational costs. To solve these problems, recent approaches train the networks on two different levels and propose their own interpolation methods to enable the arbitrary intermediate levels. However, many of them fail to adapt hard tasks or interpolate smoothly, or the others still require large memory and computational cost. In this paper, we propose a novel continuous-level learning framework using a Filter Transition Network (FTN) which is a non-linear module that easily adapt to new levels, and is regularized to prevent undesirable side-effects. Additionally, for stable learning of FTN, we newly propose a method to initialize non-linear CNNs with identity mappings. Furthermore, FTN is extremely lightweight module since it is a data-independent module, which means it is not affected by the spatial resolution of the inputs. Extensive results for various image processing tasks indicate that the performance of FTN is stable in terms of adaptation and interpolation, and comparable to that of the other heavy frameworks.

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