Globally and locally consistent image completion

鉴别器 图像(数学) 人工智能 一致性(知识库) 计算机科学 背景(考古学) 卷积神经网络 对比度(视觉) 计算机视觉 模式识别(心理学) 地理 电信 探测器 考古
作者
Satoshi Iizuka,Edgar Simo‐Serra,Hiroshi Ishikawa
出处
期刊:ACM Transactions on Graphics [Association for Computing Machinery]
卷期号:36 (4): 1-14 被引量:2094
标识
DOI:10.1145/3072959.3073659
摘要

We present a novel approach for image completion that results in images that are both locally and globally consistent. With a fully-convolutional neural network, we can complete images of arbitrary resolutions by filling-in missing regions of any shape. To train this image completion network to be consistent, we use global and local context discriminators that are trained to distinguish real images from completed ones. The global discriminator looks at the entire image to assess if it is coherent as a whole, while the local discriminator looks only at a small area centered at the completed region to ensure the local consistency of the generated patches. The image completion network is then trained to fool the both context discriminator networks, which requires it to generate images that are indistinguishable from real ones with regard to overall consistency as well as in details. We show that our approach can be used to complete a wide variety of scenes. Furthermore, in contrast with the patch-based approaches such as PatchMatch, our approach can generate fragments that do not appear elsewhere in the image, which allows us to naturally complete the images of objects with familiar and highly specific structures, such as faces.
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