回想一下,大多数当前图像样式转移方法要求用户给出特定样式的图像,然后提取该样式功能和纹理以生成图像的样式,但仍然存在一些问题:用户可能没有一个参考样式图像,或者很难用一个图像总结所需的样式。最近提议的夹板解决了此问题,该问题仅根据提供的样式图像的描述来执行样式转移。尽管当景观或肖像单独出现时,ClipStyler可以取得良好的性能,但它可能会模糊人民并在人和风景共存时失去原始语义。基于这些问题,我们演示了一个新颖的框架,该框架使用了预训练的剪辑文本图像嵌入模型,并通过FCN语义分割网络指导图像样式传输。具体而言,我们解决了与人类主题相机的自拍照和现实世界的肖像过度风格的问题,增强了肖像和景观风格转移效果之间的对比,并使不同语义部分的图像风格转移程度完全可控。我们的生成工匠解决了夹具的失败案例,并产生定性和定量方法,以证明我们在自拍照和人类受试者照片中的自拍照和现实世界景观中的剪贴画的结果要好得多。这种改进使我们可以将我们的业务场景框架(例如修饰图形软件)进行商业化。
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现有的神经样式传输方法需要参考样式图像来将样式图像的纹理信息传输到内容图像。然而,在许多实际情况中,用户可能没有参考样式图像,但仍然有兴趣通过想象它们来传输样式。为了处理此类应用程序,我们提出了一个新的框架,它可以实现样式转移`没有'风格图像,但仅使用所需风格的文本描述。使用预先训练的文本图像嵌入模型的剪辑,我们仅通过单个文本条件展示了内容图像样式的调制。具体而言,我们提出了一种针对现实纹理传输的多视图增强的修补程序文本图像匹配丢失。广泛的实验结果证实了具有反映语义查询文本的现实纹理的成功图像风格转移。
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任意样式转移生成了艺术图像,该图像仅使用一个训练有素的网络结合了内容图像的结构和艺术风格的结合。此方法中使用的图像表示包含内容结构表示和样式模式表示形式,这通常是预训练的分类网络中高级表示的特征表示。但是,传统的分类网络是为分类而设计的,该分类通常集中在高级功能上并忽略其他功能。结果,风格化的图像在整个图像中均匀地分布了样式元素,并使整体图像结构无法识别。为了解决这个问题,我们通过结合全球和局部损失,引入了一种新型的任意风格转移方法,并通过结构增强。局部结构细节由LapStyle表示,全局结构由图像深度控制。实验结果表明,与其他最新方法相比,我们的方法可以在几个常见数据集中生成具有令人印象深刻的视觉效果的更高质量图像。
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图像转换是一类视觉和图形问题,其目标是学习输入图像和输出图像之间的映射,在深神网络的背景下迅速发展。在计算机视觉(CV)中,许多问题可以被视为图像转换任务,例如语义分割和样式转移。这些作品具有不同的主题和动机,使图像转换任务蓬勃发展。一些调查仅回顾有关样式转移或图像到图像翻译的研究,所有这些都只是图像转换的一个分支。但是,没有一项调查总结这些调查在我们最佳知识的统一框架中共同起作用。本文提出了一个新颖的学习框架,包括独立学习,指导学习和合作学习,称为IGC学习框架。我们讨论的图像转换主要涉及有关深神经网络的一般图像到图像翻译和样式转移。从这个框架的角度来看,我们回顾了这些子任务,并对各种情况进行统一的解释。我们根据相似的开发趋势对图像转换的相关子任务进行分类。此外,已经进行了实验以验证IGC学习的有效性。最后,讨论了新的研究方向和开放问题,以供将来的研究。
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我们提出Hypernst;基于超网络和stylegan2体系结构的图像艺术风格的神经风格转移(NST)技术。我们的贡献是一种新颖的方法,用于诱导通过度量空间进行参数化的样式转移,并预先训练基于样式的视觉搜索(SBV)。我们首次证明可以使用此类空间来驱动NST,从而从SBVS系统中启用样式的应用程序和插值。技术贡献是一个超网络,可以预测对型号的stylegan2的重量更新,而在各种各样的艺术内容(肖像)上,可以使用面部区域的语义图在每个区域量身定制样式参数化。我们在保留良好的风格转移性能的同时,在内容保存方面显示了超越最高的内容。
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This paper creates a novel method of deep neural style transfer by generating style images from freeform user text input. The language model and style transfer model form a seamless pipeline that can create output images with similar losses and improved quality when compared to baseline style transfer methods. The language model returns a closely matching image given a style text and description input, which is then passed to the style transfer model with an input content image to create a final output. A proof-of-concept tool is also developed to integrate the models and demonstrate the effectiveness of deep image style transfer from freeform text.
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Arbitrary Style Transfer is a technique used to produce a new image from two images: a content image, and a style image. The newly produced image is unseen and is generated from the algorithm itself. Balancing the structure and style components has been the major challenge that other state-of-the-art algorithms have tried to solve. Despite all the efforts, it's still a major challenge to apply the artistic style that was originally created on top of the structure of the content image while maintaining consistency. In this work, we solved these problems by using a Deep Learning approach using Convolutional Neural Networks. Our implementation will first extract foreground from the background using the pre-trained Detectron 2 model from the content image, and then apply the Arbitrary Style Transfer technique that is used in SANet. Once we have the two styled images, we will stitch the two chunks of images after the process of style transfer for the complete end piece.
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As a powerful representation of 3D scenes, the neural radiance field (NeRF) enables high-quality novel view synthesis from multi-view images. Stylizing NeRF, however, remains challenging, especially on simulating a text-guided style with both the appearance and the geometry altered simultaneously. In this paper, we present NeRF-Art, a text-guided NeRF stylization approach that manipulates the style of a pre-trained NeRF model with a simple text prompt. Unlike previous approaches that either lack sufficient geometry deformations and texture details or require meshes to guide the stylization, our method can shift a 3D scene to the target style characterized by desired geometry and appearance variations without any mesh guidance. This is achieved by introducing a novel global-local contrastive learning strategy, combined with the directional constraint to simultaneously control both the trajectory and the strength of the target style. Moreover, we adopt a weight regularization method to effectively suppress cloudy artifacts and geometry noises which arise easily when the density field is transformed during geometry stylization. Through extensive experiments on various styles, we demonstrate that our method is effective and robust regarding both single-view stylization quality and cross-view consistency. The code and more results can be found in our project page: https://cassiepython.github.io/nerfart/.
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Gatys et al. recently introduced a neural algorithm that renders a content image in the style of another image, achieving so-called style transfer. However, their framework requires a slow iterative optimization process, which limits its practical application. Fast approximations with feed-forward neural networks have been proposed to speed up neural style transfer. Unfortunately, the speed improvement comes at a cost: the network is usually tied to a fixed set of styles and cannot adapt to arbitrary new styles. In this paper, we present a simple yet effective approach that for the first time enables arbitrary style transfer in real-time. At the heart of our method is a novel adaptive instance normalization (AdaIN) layer that aligns the mean and variance of the content features with those of the style features. Our method achieves speed comparable to the fastest existing approach, without the restriction to a pre-defined set of styles. In addition, our approach allows flexible user controls such as content-style trade-off, style interpolation, color & spatial controls, all using a single feed-forward neural network.
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最近的研究表明,通用风格转移的成功取得了巨大的成功,将任意视觉样式转移到内容图像中。但是,现有的方法遭受了审美的非现实主义问题,该问题引入了不和谐的模式和明显的人工制品,从而使结果很容易从真实的绘画中发现。为了解决这一限制,我们提出了一种新颖的美学增强风格转移方法,可以在美学上为任意风格产生更现实和令人愉悦的结果。具体而言,我们的方法引入了一种审美歧视者,以从大量的艺术家创造的绘画中学习通用的人类自愿美学特征。然后,合并了美学特征,以通过新颖的美学感知样式(AESSA)模块来增强样式转移过程。这样的AESSA模块使我们的Aesust能够根据样式图像的全局美学通道分布和内容图像的局部语义空间分布有效而灵活地集成样式模式。此外,我们还开发了一种新的两阶段转移培训策略,并通过两种审美正规化来更有效地训练我们的模型,从而进一步改善风格化的性能。广泛的实验和用户研究表明,我们的方法比艺术的状态综合了美学上更加和谐和现实的结果,从而大大缩小了真正的艺术家创造的绘画的差异。我们的代码可在https://github.com/endywon/aesust上找到。
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STYLE TRANSED引起了大量的关注,因为它可以在保留图像结构的同时将给定图像更改为一个壮观的艺术风格。然而,常规方法容易丢失图像细节,并且在风格转移期间倾向于产生令人不快的伪影。在本文中,为了解决这些问题,提出了一种具有目标特征调色板的新颖艺术程式化方法,可以准确地传递关键特征。具体而言,我们的方法包含两个模块,即特征调色板组成(FPC)和注意着色(AC)模块。 FPC模块基于K-means群集捕获代表特征,并生成特征目标调色板。以下AC模块计算内容和样式图像之间的注意力映射,并根据注意力映射和目标调色板传输颜色和模式。这些模块使提出的程式化能够专注于关键功能并生成合理的传输图像。因此,所提出的方法的贡献是提出一种新的深度学习的样式转移方法和当前目标特征调色板和注意着色模块,并通过详尽的消融研究提供对所提出的方法的深入分析和洞察。定性和定量结果表明,我们的程式化图像具有最先进的性能,具有保护核心结构和内容图像的细节。
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Considerable progress has recently been made in leveraging CLIP (Contrastive Language-Image Pre-Training) models for text-guided image manipulation. However, all existing works rely on additional generative models to ensure the quality of results, because CLIP alone cannot provide enough guidance information for fine-scale pixel-level changes. In this paper, we introduce CLIPVG, a text-guided image manipulation framework using differentiable vector graphics, which is also the first CLIP-based general image manipulation framework that does not require any additional generative models. We demonstrate that CLIPVG can not only achieve state-of-art performance in both semantic correctness and synthesis quality, but also is flexible enough to support various applications far beyond the capability of all existing methods.
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神经风格转移的领域经历了大量的研究,探索了不同的途径,从基于优化的方法和馈送模型到元学习方法。开发的技术不仅取得了风格转移领域的发展,而且还导致了其他计算机视觉领域的突破,例如所有视觉合成。但是,虽然定量评估和基准测试已成为计算机视觉研究的支柱,但仍缺乏对样式转移模型的可再现的定量评估。即使与存在广泛使用指标的其他视觉合成领域相比,样式转移的定量评估仍然落后。为了支持不同样式转移方法的自动比较并研究其各自的优势和劣势,该领域将从定量测量样式性能中受益匪浅。因此,我们提出了一种补充当前主要是定性评估方案的方法。我们提供广泛的评估和一项大规模的用户研究,以表明拟议的度量与人类的判断力强烈一致。
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The mechanism of existing style transfer algorithms is by minimizing a hybrid loss function to push the generated image toward high similarities in both content and style. However, this type of approach cannot guarantee visual fidelity, i.e., the generated artworks should be indistinguishable from real ones. In this paper, we devise a new style transfer framework called QuantArt for high visual-fidelity stylization. QuantArt pushes the latent representation of the generated artwork toward the centroids of the real artwork distribution with vector quantization. By fusing the quantized and continuous latent representations, QuantArt allows flexible control over the generated artworks in terms of content preservation, style similarity, and visual fidelity. Experiments on various style transfer settings show that our QuantArt framework achieves significantly higher visual fidelity compared with the existing style transfer methods.
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从开放式域文本提示中生成和编辑图像是迄今为止需要昂贵且经过特殊训练的型号的一项挑战性的任务。我们为这两个任务展示了一种新颖的方法,该方法能够通过使用多模式编码器来指导图像世代,从而从具有显着语义复杂性的文本提示中产生高视觉质量的图像。我们在各种任务上说明了如何使用夹[37]引导VQGAN [11]产生的视觉质量输出比先前的较不灵活的方法,例如DALL-E [38],Glide [33]和Open-Edit [24],尽管没有接受培训的任务。我们的代码在公共存储库中可用。
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We consider image transformation problems, where an input image is transformed into an output image. Recent methods for such problems typically train feed-forward convolutional neural networks using a per-pixel loss between the output and ground-truth images. Parallel work has shown that high-quality images can be generated by defining and optimizing perceptual loss functions based on high-level features extracted from pretrained networks. We combine the benefits of both approaches, and propose the use of perceptual loss functions for training feed-forward networks for image transformation tasks. We show results on image style transfer, where a feed-forward network is trained to solve the optimization problem proposed by Gatys et al in real-time. Compared to the optimization-based method, our network gives similar qualitative results but is three orders of magnitude faster. We also experiment with single-image super-resolution, where replacing a per-pixel loss with a perceptual loss gives visually pleasing results.
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Photo-realistic style transfer aims at migrating the artistic style from an exemplar style image to a content image, producing a result image without spatial distortions or unrealistic artifacts. Impressive results have been achieved by recent deep models. However, deep neural network based methods are too expensive to run in real-time. Meanwhile, bilateral grid based methods are much faster but still contain artifacts like overexposure. In this work, we propose the \textbf{Adaptive ColorMLP (AdaCM)}, an effective and efficient framework for universal photo-realistic style transfer. First, we find the complex non-linear color mapping between input and target domain can be efficiently modeled by a small multi-layer perceptron (ColorMLP) model. Then, in \textbf{AdaCM}, we adopt a CNN encoder to adaptively predict all parameters for the ColorMLP conditioned on each input content and style image pair. Experimental results demonstrate that AdaCM can generate vivid and high-quality stylization results. Meanwhile, our AdaCM is ultrafast and can process a 4K resolution image in 6ms on one V100 GPU.
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This paper proposes Markovian Generative Adversarial Networks (MGANs), a method for training generative neural networks for efficient texture synthesis. While deep neural network approaches have recently demonstrated remarkable results in terms of synthesis quality, they still come at considerable computational costs (minutes of run-time for low-res images). Our paper addresses this efficiency issue. Instead of a numerical deconvolution in previous work, we precompute a feedforward, strided convolutional network that captures the feature statistics of Markovian patches and is able to directly generate outputs of arbitrary dimensions. Such network can directly decode brown noise to realistic texture, or photos to artistic paintings. With adversarial training, we obtain quality comparable to recent neural texture synthesis methods. As no optimization is required any longer at generation time, our run-time performance (0.25M pixel images at 25Hz) surpasses previous neural texture synthesizers by a significant margin (at least 500 times faster). We apply this idea to texture synthesis, style transfer, and video stylization.
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作为非遗迹渲染(NPR)的主要分支,图像样式主要使用计算机算法将照片渲染为艺术绘画。最近的工作表明,样式信息的提取,例如笔触纹理和目标样式图像的颜色是图像风格的关键。鉴于其中风质地和颜色特征,提出了一种新的中风渲染方法,该方法完全考虑了音调特征和原始油画的代表性,以便将原始油画图像的音调适应风格化的图像并制作它接近艺术家的创造性效果。实验验证了所提出模型的功效。这种方法更适合具有相对均匀的方向意识的点尔主义画家的作品,尤其是对于自然场景。当原始绘画笔触具有更清晰的方向感时,使用此方法模拟刷子纹理特征可能会不那么令人满意。
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In recent years, arbitrary image style transfer has attracted more and more attention. Given a pair of content and style images, a stylized one is hoped that retains the content from the former while catching style patterns from the latter. However, it is difficult to simultaneously keep well the trade-off between the content details and the style features. To stylize the image with sufficient style patterns, the content details may be damaged and sometimes the objects of images can not be distinguished clearly. For this reason, we present a new transformer-based method named STT for image style transfer and an edge loss which can enhance the content details apparently to avoid generating blurred results for excessive rendering on style features. Qualitative and quantitative experiments demonstrate that STT achieves comparable performance to state-of-the-art image style transfer methods while alleviating the content leak problem.
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