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2019 | OriginalPaper | Buchkapitel

Automatic Video Colorization Using 3D Conditional Generative Adversarial Networks

verfasst von : Panagiotis Kouzouglidis, Giorgos Sfikas, Christophoros Nikou

Erschienen in: Advances in Visual Computing

Verlag: Springer International Publishing

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Abstract

In this work, we present a method for automatic colorization of grayscale videos. The core of the method is a Generative Adversarial Network that is trained and tested on sequences of frames in a sliding window manner. Network convolutional and deconvolutional layers are three-dimensional, with frame height, width and time as the dimensions taken into account. Multiple chrominance estimates per frame are aggregated and combined with available luminance information to recreate a colored sequence. Colorization trials are run successfully on a dataset of old black-and-white films. The usefulness of our method is also validated with numerical results, computed with a newly proposed metric that measures colorization consistency over a frame sequence.

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Fußnoten
1
Other variants of a cGAN are possible; for example, a noise variable z could be added to produce a non-deterministic output [5]. We employ a deterministic cGAN variant in this work.
 
2
\(\chi _i\) denotes the \(i^{th}\) colorization estimate for a frame. y denotes a colorization estimate for a sequence of C frames.
 
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Metadaten
Titel
Automatic Video Colorization Using 3D Conditional Generative Adversarial Networks
verfasst von
Panagiotis Kouzouglidis
Giorgos Sfikas
Christophoros Nikou
Copyright-Jahr
2019
DOI
https://doi.org/10.1007/978-3-030-33720-9_16

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