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Realistic image restoration is a crucial task in computer vision, and diffusion-based models for image restoration have garnered significant attention due to their ability to produce realistic results. Restoration can be seen as a…

计算机视觉与模式识别 · 计算机科学 2025-02-14 Yuhong Zhang , Hengsheng Zhang , Zhengxue Cheng , Rong Xie , Li Song , Wenjun Zhang

The recent use of diffusion prior, enhanced by pre-trained text-image models, has markedly elevated the performance of image super-resolution (SR). To alleviate the huge computational cost required by pixel-based diffusion SR, latent-based…

计算机视觉与模式识别 · 计算机科学 2023-12-14 Feng Luo , Jinxi Xiang , Jun Zhang , Xiao Han , Wei Yang

Attention-based scene text recognizers have gained huge success, which leverages a more compact intermediate representation to learn 1d- or 2d- attention by a RNN-based encoder-decoder architecture. However, such methods suffer from…

计算机视觉与模式识别 · 计算机科学 2021-04-13 Ning Lu , Wenwen Yu , Xianbiao Qi , Yihao Chen , Ping Gong , Rong Xiao , Xiang Bai

Deep convolutional neural networks (CNNs) for image denoising can effectively exploit rich hierarchical features and have achieved great success. However, many deep CNN-based denoising models equally utilize the hierarchical features of…

计算机视觉与模式识别 · 计算机科学 2024-01-08 Wencong Wu , An Ge , Guannan Lv , Yuelong Xia , Yungang Zhang , Wen Xiong

Recurrent neural networks (RNNs) have shown the ability to improve scene parsing through capturing long-range dependencies among image units. In this paper, we propose dense RNNs for scene labeling by exploring various long-range semantic…

计算机视觉与模式识别 · 计算机科学 2018-11-13 Heng Fan , Peng Chu , Longin Jan Latecki , Haibin Ling

Scene Text Editing (STE) is the task of modifying text content in an image while preserving its visual style, such as font, color, and background. While recent diffusion-based approaches have shown improvements in visual quality, key…

计算机视觉与模式识别 · 计算机科学 2025-11-17 Yongdeuk Seo , Hyun-seok Min , Sungchul Choi

Text-to-image diffusion models (SD) exhibit significant advancements while requiring extensive computational resources. Existing acceleration methods usually require extensive training and are not universally applicable. LCM-LoRA, trainable…

计算机视觉与模式识别 · 计算机科学 2024-10-02 Weilong Chai , DanDan Zheng , Jiajiong Cao , Zhiquan Chen , Changbao Wang , Chenguang Ma

Image super-resolution (SR) methods typically model degradation to improve reconstruction accuracy in complex and unknown degradation scenarios. However, extracting degradation information from low-resolution images is challenging, which…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Zheng Chen , Yulun Zhang , Jinjin Gu , Xin Yuan , Linghe Kong , Guihai Chen , Xiaokang Yang

Scene Text Editing (STE) is a challenging research problem, that primarily aims towards modifying existing texts in an image while preserving the background and the font style of the original text. Despite its utility in numerous real-world…

计算机视觉与模式识别 · 计算机科学 2024-11-06 Alloy Das , Sanket Biswas , Prasun Roy , Subhankar Ghosh , Umapada Pal , Michael Blumenstein , Josep Lladós , Saumik Bhattacharya

Scene text recognition has drawn great attentions in the community of computer vision and artificial intelligence due to its challenges and wide applications. State-of-the-art recurrent neural networks (RNN) based models map an input…

计算机视觉与模式识别 · 计算机科学 2018-06-05 Yi-Chao Wu , Fei Yin , Xu-Yao Zhang , Li Liu , Cheng-Lin Liu

Scene text editing is a challenging task that involves modifying or inserting specified texts in an image while maintaining its natural and realistic appearance. Most previous approaches to this task rely on style-transfer models that crop…

计算机视觉与模式识别 · 计算机科学 2023-04-13 Jiabao Ji , Guanhua Zhang , Zhaowen Wang , Bairu Hou , Zhifei Zhang , Brian Price , Shiyu Chang

The paper proposes a new text recognition network for scene-text images. Many state-of-the-art methods employ the attention mechanism either in the text encoder or decoder for the text alignment. Although the encoder-based attention yields…

计算机视觉与模式识别 · 计算机科学 2021-04-27 Usman Sajid , Michael Chow , Jin Zhang , Taejoon Kim , Guanghui Wang

Text-to-image diffusion models can synthesize high-quality images, yet the outcome is notoriously sensitive to the random seed: different initial seeds often yield large variations in image quality and prompt-image alignment. We revisit…

计算机视觉与模式识别 · 计算机科学 2026-05-20 Yunzhe Zhang , Hongfu Liu , Pengyu Hong

Real-world image super-resolution (Real-ISR) must handle complex degradations and inherent reconstruction ambiguities. While generative models have improved perceptual quality, a key trade-off remains with computational cost. One-step…

计算机视觉与模式识别 · 计算机科学 2025-10-23 Yun Kai Zhuang

Arbitrary text appearance poses a great challenge in scene text recognition tasks. Existing works mostly handle with the problem in consideration of the shape distortion, including perspective distortions, line curvature or other style…

计算机视觉与模式识别 · 计算机科学 2021-10-26 Chengwei Zhang , Yunlu Xu , Zhanzhan Cheng , Shiliang Pu , Yi Niu , Fei Wu , Futai Zou

Scene Text Recognition is a challenging problem because of irregular styles and various distortions. This paper proposed an end-to-end trainable model consists of a finer rectification module and a bidirectional attentional recognition…

计算机视觉与模式识别 · 计算机科学 2020-01-28 Gang Wang

Scene text removal (STR) is a challenging task due to the complex text fonts, colors, sizes, and background textures in scene images. However, most previous methods learn both text location and background inpainting implicitly within a…

计算机视觉与模式识别 · 计算机科学 2023-06-14 Guangtao Lyu , Anna Zhu

Recent text-to-image diffusion models can generate striking visuals from text prompts, but they often fail to maintain subject consistency across generations and contexts. One major limitation of current fine-tuning approaches is the…

计算机视觉与模式识别 · 计算机科学 2025-09-23 Gordon Chen , Ziqi Huang , Cheston Tan , Ziwei Liu

Most NeRF-based models are designed for learning the entire scene, and complex scenes can lead to longer learning times and poorer rendering effects. This paper utilizes scene semantic priors to make improvements in fast training, allowing…

计算机视觉与模式识别 · 计算机科学 2023-08-14 Yuesong Li , Feng Pan , Helong Yan , Xiuli Xin , Xiaoxue Feng

In recent years, attention-based scene text recognition methods have been very popular and attracted the interest of many researchers. Attention-based methods can adaptively focus attention on a small area or even single point during…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Lei Chen , Haibo Qin , Shi-Xue Zhang , Chun Yang , Xucheng Yin