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A new method is proposed for removing text from natural images. The challenge is to first accurately localize text on the stroke-level and then replace it with a visually plausible background. Unlike previous methods that require image…

计算机视觉与模式识别 · 计算机科学 2018-12-04 Shuaitao Zhang , Yuliang Liu , Lianwen Jin , Yaoxiong Huang , Songxuan Lai

Scene text image super-resolution (STISR) is an important pre-processing technique for text recognition from low-resolution scene images. Nowadays, various methods have been proposed to extract text-specific information from high-resolution…

计算机视觉与模式识别 · 计算机科学 2023-08-01 Minyi Zhao , Yi Xu , Bingjia Li , Jie Wang , Jihong Guan , Shuigeng Zhou

In this paper, we conduct a study on the state-of-the-art methods for text-to-image synthesis and propose a framework to evaluate these methods. We consider syntheses where an image contains a single or multiple objects. Our study outlines…

计算机视觉与模式识别 · 计算机科学 2022-07-20 Tan M. Dinh , Rang Nguyen , Binh-Son Hua

Most existing text recognition methods are trained on large-scale synthetic datasets due to the scarcity of labeled real-world datasets. Synthetic images, however, cannot faithfully reproduce real-world scenarios, such as uneven…

计算机视觉与模式识别 · 计算机科学 2025-05-13 Zhengmi Tang , Yuto Mitsui , Tomo Miyazaki , Shinichiro Omachi

Edge detection is a fundamental technique in various computer vision tasks. Edges are indeed effectively delineated by pixel discontinuity and can offer reliable structural information even in textureless areas. State-of-the-art heavily…

计算机视觉与模式识别 · 计算机科学 2024-01-05 Leng Kai , Zhang Zhijie , Liu Jie , Zed Boukhers , Sui Wei , Cong Yang , Li Zhijun

A comprehensive understanding of vision and language and their interrelation are crucial to realize the underlying similarities and differences between these modalities and to learn more generalized, meaningful representations. In recent…

计算机视觉与模式识别 · 计算机科学 2021-12-10 Anindya Sundar Das , Sriparna Saha

We propose an image synthesis approach that provides stratified navigation in the latent code space. With a tiny amount of partial or very low-resolution image, our approach can consistently out-perform state-of-the-art counterparts in…

计算机视觉与模式识别 · 计算机科学 2020-06-04 Lingzhi Zhang , Jiancong Wang , Yinshuang Xu , Jie Min , Tarmily Wen , James C. Gee , Jianbo Shi

An unsupervised text-to-speech synthesis (TTS) system learns to generate speech waveforms corresponding to any written sentence in a language by observing: 1) a collection of untranscribed speech waveforms in that language; 2) a collection…

音频与语音处理 · 电气工程与系统科学 2022-08-17 Junrui Ni , Liming Wang , Heting Gao , Kaizhi Qian , Yang Zhang , Shiyu Chang , Mark Hasegawa-Johnson

In the field of image editing, three core challenges persist: controllability, background preservation, and efficiency. Inversion-based methods rely on time-consuming optimization to preserve the features of the initial images, which…

计算机视觉与模式识别 · 计算机科学 2025-03-07 Feng Tian , Yixuan Li , Yichao Yan , Shanyan Guan , Yanhao Ge , Xiaokang Yang

Recent breakthroughs in text-to-image synthesis have been driven by diffusion models trained on billions of image-text pairs. Adapting this approach to 3D synthesis would require large-scale datasets of labeled 3D data and efficient…

计算机视觉与模式识别 · 计算机科学 2022-09-30 Ben Poole , Ajay Jain , Jonathan T. Barron , Ben Mildenhall

Controllable image synthesis models allow creation of diverse images based on text instructions or guidance from a reference image. Recently, denoising diffusion probabilistic models have been shown to generate more realistic imagery than…

计算机视觉与模式识别 · 计算机科学 2022-12-06 Xihui Liu , Dong Huk Park , Samaneh Azadi , Gong Zhang , Arman Chopikyan , Yuxiao Hu , Humphrey Shi , Anna Rohrbach , Trevor Darrell

Unsupervised person re-identification (re-ID) has become an important topic due to its potential to resolve the scalability problem of supervised re-ID models. However, existing methods simply utilize pseudo labels from clustering for…

计算机视觉与模式识别 · 计算机科学 2021-04-02 Junhui Yin , Jiayan Qiu , Siqing Zhang , Jiyang Xie , Zhanyu Ma , Jun Guo

In this paper, we propose TextDestroyer, the first training- and annotation-free method for scene text destruction using a pre-trained diffusion model. Existing scene text removal models require complex annotation and retraining, and may…

计算机视觉与模式识别 · 计算机科学 2025-07-17 Mengcheng Li , Fei Chao

Paper-intensive industries like insurance, law, and government have long leveraged optical character recognition (OCR) to automatically transcribe hordes of scanned documents into text strings for downstream processing. Even in 2019, there…

计算机视觉与模式识别 · 计算机科学 2020-01-17 W. Ronny Huang , Yike Qi , Qianqian Li , Jonathan Degange

By leveraging the text-to-image diffusion priors, score distillation can synthesize 3D contents without paired text-3D training data. Instead of spending hours of online optimization per text prompt, recent studies have been focused on…

计算机视觉与模式识别 · 计算机科学 2024-07-03 Zhiyuan Ma , Yuxiang Wei , Yabin Zhang , Xiangyu Zhu , Zhen Lei , Lei Zhang

Recently, methods based on deep learning have dominated the field of text recognition. With a large number of training data, most of them can achieve the state-of-the-art performances. However, it is hard to harvest and label sufficient…

计算机视觉与模式识别 · 计算机科学 2022-05-06 Yanxiang Gong , Linjie Deng , Zheng Ma , Mei Xie

Recently, the progress of learning-by-synthesis has proposed a training model for synthetic images, which can effectively reduce the cost of human and material resources. However, due to the different distribution of synthetic images…

计算机视觉与模式识别 · 计算机科学 2019-03-15 Tongtong Zhao , Yuxiao Yan , Ibrahim Shehi Shehu , Xianping Fu , Huibing Wang

Scene-text image synthesis techniques that aim to naturally compose text instances on background scene images are very appealing for training deep neural networks due to their ability to provide accurate and comprehensive annotation…

计算机视觉与模式识别 · 计算机科学 2023-10-18 Zhengmi Tang , Tomo Miyazaki , Shinichiro Omachi

Text style transfer is an important task in controllable language generation. Supervised approaches have pushed performance improvement on style-oriented rewriting such as formality conversion. However, challenges remain due to the scarcity…

计算与语言 · 计算机科学 2022-05-20 Zhengyuan Liu , Nancy F. Chen

In this paper, we propose a Text-Degradation Invariant Auto Encoder (Text-DIAE), a self-supervised model designed to tackle two tasks, text recognition (handwritten or scene-text) and document image enhancement. We start by employing a…