Author: Peng, Huayi
Title: Transfer Chinese ink wash style into arbitrary images
Advisors: Chi, Zheru (EIE)
Degree: M.Sc.
Year: 2018
Subject: Hong Kong Polytechnic University -- Dissertations
Image processing -- Digital techniques
Ink painting, Chinese
Department: Department of Electronic and Information Engineering
Pages: xiii, 45 pages : color illustrations
Language: English
Abstract: The aim of this dissertation is to provide a methodology to transfer Chinese ink wash style into arbitrary images. Neural style transfer has been a popular topic since 2015. Researchers applied neural networks to achieve image style transfer. However, existing neural style transfer approaches cannot have a satisfying result when transferring Chinese ink wash styles. The reason behind is Chinese ink wash paintings have a unique character named "Liu-bai" which would emphasize the main body of the scene and weaken the irrelevant details. Existing algorithms or models do not take this factor into consideration, therefore the generated images cannot rival freehand Chinese ink wash paintings in beauty and feeling. In order to overcome this problem, we trained a deep semantic image segmentation network and employed saliency maps to preprocess input images. A mask is generated to remove unwanted details. Then the masked content image and the Chinese ink wash painting enter a convolutional autoencoder. The convolutional autoencoder consists of a VGG based encoder and a trained decoder. Content image and Chinese ink wash painting are encoded into feature maps. Their feature maps are concatenated and put into the decoder. The decoder decodes the feature maps into an image which has both content information of the input content image and style information of the Chinese ink wash style. We show that with the help of a semantic image segmentation network and saliency map, the unwanted details of the content image can be easily removed. The resulting image can be generated by a convolutional autoencoder with the "Liu-bai" feature. Moreover, we introduce two enhancement methodologies to further improve the image quality.
Rights: All rights reserved
Access: restricted access

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