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Diverse and Adjustable Versatile Image Enhancer
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DOI：10.1109/ACCESS.2021.3084339.png)
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摘要
En 中文
Enhancing the quality of photographs is a highly subjective process and depends on users' preferences. Hence, it is often more desired to let users choose their own best from a set of diverse and adjustable enhanced images with astounding quality. However, a system that can satisfy this requirement has not yet been established. While classical algorithms blindly enhance an image by filtering, recent intelligent enhancement systems can only do it with limited styles through learning from a set of single expert-retouched (ER) images. To fill this void, we propose a novel framework, Diverse and adjustable Versatile Image Enhancer (DaVIE), that learns from multiple ER images simultaneously. Thereby, it can output diverse results without being bound to a specific enhancement style while allowing users to freely adjust the level of enhancement. For ease of diversity, we adopt a variational auto-encoder (VAE) that learns stochastic distribution of enhancement styles. By using the VAE, the proposed model provides diversely enhanced images. To establish better control in terms of enhancement level, we propose a more general form of adaptive instance normalization and loss functions, which can afford even extreme image editing. Through rigorous experiments, we demonstrate that the proposed DaVIE framework yields visually pleasing and diverse results. We also show the proposed model quantitatively outperforms existing methods on the MIT-Adobe-5K dataset. Furthermore, through a strict user-study, we show that the users consider the qualities of ER images and machine-retouched images to be similar, with about 35% selection probability for DaVIE enhanced images.
Keyword:
Image enhancement
Erbium
Training
Generative adversarial networks
Tools
Licenses
Aerospace electronics
Diverse image enhancement
adjustable learning
automatic photo enhancement
variational autoencoder
adaptive-instance normalization
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期刊
IF:
3.6
论文数:
9.8W
被引数:
29.4W
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