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Fast image colourisation using the isolines concept
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DOI：10.1007/s11042-016-3892-2.png)
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摘要
En 中文
Colourisation is the process of adding colour information to monochromatic images and video sequences. Generally, colourised images are visually more attractive and they are advantageous in areas such as medicine, astronomy, microscopy or education, in which the visualisation of image information plays a crucial role. In this paper, we introduce a novel concept of grayscale image colourisation, which is based on the idea of isolines. The algorithm is straightforward, easy to implement, computationally efficient and it allows a very high colourisation quality to be obtained. The proposed approach utilises the distance transform applied to a grayscale digital image. The final colourisation is performed via the weighted blending of scribbled colours. The comparison with similar state-of-the-art colourisation techniques that is presented proves that the method is computationally more efficient while producing outputs that have the same high quality. Additionally, we provide the pseudocode for the easier implementation of the algorithm and show its multidisciplinary applications.
Keyword:
Image processing
Colourisation
Visualisation
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3
论文数:
2.0W
被引数:
3.2W
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