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Sparsely Grouped Multi-task Generative Adversarial Networks for Facial Attribute Manipulation (1805.07509v7)

Published 19 May 2018 in cs.CV

Abstract: Recent Image-to-Image Translation algorithms have achieved significant progress in neural style transfer and image attribute manipulation tasks. However, existing approaches require exhaustively labelling training data, which is labor demanding, difficult to scale up, and hard to migrate into new domains. To overcome such a key limitation, we propose Sparsely Grouped Generative Adversarial Networks (SG-GAN) as a novel approach that can translate images on sparsely grouped datasets where only a few samples for training are labelled. Using a novel one-input multi-output architecture, SG-GAN is well-suited for tackling sparsely grouped learning and multi-task learning. The proposed model can translate images among multiple groups using only a single commonly trained model. To experimentally validate advantages of the new model, we apply the proposed method to tackle a series of attribute manipulation tasks for facial images. Experimental results demonstrate that SG-GAN can generate image translation results of comparable quality with baselines methods on adequately labelled datasets and results of superior quality on sparsely grouped datasets. The official implementation is publicly available:https://github.com/zhangqianhui/Sparsely-Grouped-GAN.

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Authors (7)
  1. Jichao Zhang (15 papers)
  2. Yezhi Shu (2 papers)
  3. Songhua Xu (3 papers)
  4. Gongze Cao (3 papers)
  5. Fan Zhong (39 papers)
  6. Meng Liu (112 papers)
  7. Xueying Qin (11 papers)
Citations (35)

Summary

  • The paper introduces Sparsely Grouped Generative Adversarial Networks (SG-GAN), a novel one-input multi-output architecture that uses semi-supervised learning for efficient image translation among multiple groups with sparsely labeled data.
  • A refined residual image learning technique is incorporated to improve translation accuracy for target attributes while preserving visual elements unrelated to the change, requiring minimal human labeling.
  • Experimental results demonstrate that SG-GAN achieves superior facial attribute manipulation performance and visual quality, especially on datasets with sparse or unbalanced labeling, compared to baseline methods.

Insightful Overview of "Sparsely Grouped Multi-task Generative Adversarial Networks for Facial Attribute Manipulation"

This paper introduces a novel approach to image-to-image translation tasks, specifically focusing on facial attribute manipulation, with the proposal of Sparsely Grouped Generative Adversarial Networks (SG-GAN). The authors aim to address the challenges associated with traditional image-to-image translation methods, which often require extensive labeled datasets that are cumbersome to build and scale.

Methodology and Contributions

The paper presents SG-GAN, a model that innovatively operates with sparsely grouped datasets, seeking to minimize the dependency on fully labeled datasets. SG-GAN is designed to effectively handle both sparsely grouped and multi-task learning environments. One of the central design features of SG-GAN is a one-input multi-output architecture, enabling the model to translate images among multiple groups using a single, commonly trained model.

Key contributions of the research include:

  1. SG-GAN Model: A new architecture is proposed that efficiently translates images across multiple groups using sparsely labeled data. This is achieved through a comprehensive adversarial training framework that integrates semi-supervised learning to boost performance despite limited labeled data.
  2. Refined Residual Image Learning: The paper incorporates a refined residual image learning technique aimed at improving the degree of translation accuracy for target image attributes while preserving visual elements unrelated to the translation. This refinement is integral in maintaining high-quality image results with minimal human labeling efforts.
  3. Application and Evaluation: SG-GAN is scrutinized across several facial attribute manipulation tasks, demonstrating superior performance, especially in scenarios where datasets are sparsely labeled. The model is shown to produce image translations with comparable visual quality to baseline methods on extensive labeled datasets and surpasses these methods on datasets with sparse labeling.

Experimental Results

The experimental validation highlights that SG-GAN achieves remarkable results in facial attribute manipulations, producing high-quality translations with fewer labeled data instances. Notably, the experimental outcomes reveal the capability of SG-GAN to handle unbalanced datasets effectively, maintaining the integrity of image translation without compromising on the visual quality or accuracy of attribute changes.

Implications and Future Developments

The implications of this research are significant in the field of computer vision applications. By reducing the dependency on exhaustive labeled datasets, SG-GAN facilitates more efficient and scalable image translation models. This has practical applications in various domains, including automated content creation, augmented reality, and even video synthesis where facial attributes need to be dynamically altered.

Theoretically, SG-GAN strengthens the paradigm of sparse data utilization within GAN frameworks, suggesting a shift towards more resource-efficient models. The success of SG-GAN in employing minimal labeled data opens avenues for further exploration into semi-supervised and unsupervised strategies, potentially leading to advancements where models can generalize even across domains unseen during training.

Potential future developments might explore the integration of SG-GAN with other cutting-edge machine learning techniques to enhance its generalizability and robustness. Moreover, exploring the extension of SG-GAN to cover diverse image types beyond facial attributes could significantly broaden its applicability.

In conclusion, SG-GAN presents a promising stride toward more resource-conservative and flexible image manipulation models, paving the way for broader deployment of neural network-based image processing solutions without the significant constraint of requiring large volumes of labeled training data.