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This paper presents a novel approach to generate synthetic dataset for handwritten word recognition systems. It is difficult to recognize handwritten scripts for which sufficient training data is not readily available or it may be expensive…

计算机视觉与模式识别 · 计算机科学 2018-04-18 Partha Pratim Roy , Akash Mohta , Bidyut B. Chaudhuri

Handwritten character recognition (HCR) remains a challenging pattern recognition problem despite decades of research, and lacks research on script independent recognition techniques. {\color{black}This is mainly because of similar…

计算机视觉与模式识别 · 计算机科学 2025-01-03 Vinod Kumar Chauhan , Sukhdeep Singh , Anuj Sharma

The recently introduced Consistency models pose an efficient alternative to diffusion algorithms, enabling rapid and good quality image synthesis. These methods overcome the slowness of diffusion models by directly mapping noise to data,…

计算机视觉与模式识别 · 计算机科学 2024-12-02 Shelly Golan , Roy Ganz , Michael Elad

The imitation of cursive handwriting is mainly limited to generating handwritten words or lines. Multiple synthetic outputs must be stitched together to create paragraphs or whole pages, whereby consistency and layout information are lost.…

计算机视觉与模式识别 · 计算机科学 2024-09-04 Martin Mayr , Marcel Dreier , Florian Kordon , Mathias Seuret , Jochen Zöllner , Fei Wu , Andreas Maier , Vincent Christlein

Pre-trained diffusion models have demonstrated remarkable proficiency in synthesizing images across a wide range of scenarios with customizable prompts, indicating their effective capacity to capture universal features. Motivated by this,…

计算机视觉与模式识别 · 计算机科学 2024-11-22 Yuxiang Ji , Boyong He , Chenyuan Qu , Zhuoyue Tan , Chuan Qin , Liaoni Wu

Text-guided domain adaptation and generation of 3D-aware portraits find many applications in various fields. However, due to the lack of training data and the challenges in handling the high variety of geometry and appearance, the existing…

计算机视觉与模式识别 · 计算机科学 2024-04-15 Biwen Lei , Kai Yu , Mengyang Feng , Miaomiao Cui , Xuansong Xie

Autoregressive models (ARMs) are hindered by slow sequential inference. While masked diffusion models (MDMs) offer a parallel alternative, they suffer from critical drawbacks: high computational overhead from precluding Key-Value (KV)…

计算与语言 · 计算机科学 2026-03-06 Jia-Nan Li , Jian Guan , Wei Wu , Chongxuan Li

In sequential recommendation systems, data augmentation and contrastive learning techniques have recently been introduced using diffusion models to achieve robust representation learning. However, most of the existing approaches use random…

信息检索 · 计算机科学 2025-07-17 Jinkyeong Choi , Yejin Noh , Donghyeon Park

Existing handwritten text generation methods primarily focus on isolated words. However, realistic handwritten text demands attention not only to individual words but also to the relationships between them, such as vertical alignment and…

计算机视觉与模式识别 · 计算机科学 2025-08-06 Gang Dai , Yifan Zhang , Yutao Qin , Qiangya Guo , Shuangping Huang , Shuicheng Yan

Diffusion-based generative image compression has demonstrated remarkable potential for achieving realistic reconstruction at ultra-low bitrates. The key to unlocking this potential lies in making the entire compression process…

计算机视觉与模式识别 · 计算机科学 2026-03-26 Xihua Sheng , Lingyu Zhu , Tianyu Zhang , Dong Liu , Shiqi Wang , Jing Wang

Classifier-free guided diffusion models have recently been shown to be highly effective at high-resolution image generation, and they have been widely used in large-scale diffusion frameworks including DALLE-2, Stable Diffusion and Imagen.…

计算机视觉与模式识别 · 计算机科学 2023-04-14 Chenlin Meng , Robin Rombach , Ruiqi Gao , Diederik P. Kingma , Stefano Ermon , Jonathan Ho , Tim Salimans

We propose Context Diffusion, a diffusion-based framework that enables image generation models to learn from visual examples presented in context. Recent work tackles such in-context learning for image generation, where a query image is…

计算机视觉与模式识别 · 计算机科学 2025-07-24 Ivona Najdenkoska , Animesh Sinha , Abhimanyu Dubey , Dhruv Mahajan , Vignesh Ramanathan , Filip Radenovic

As generative technologies advance, visual content has evolved into a complex mix of natural and AI-generated images, driving the need for more efficient coding techniques that prioritize perceptual quality. Traditional codecs and learned…

计算机视觉与模式识别 · 计算机科学 2025-09-18 Jianhui Chang

Recently, a number of image-mixing-based augmentation techniques have been introduced to improve the generalization of deep neural networks. In these techniques, two or more randomly selected natural images are mixed together to generate an…

计算机视觉与模式识别 · 计算机科学 2024-05-27 Khawar Islam , Muhammad Zaigham Zaheer , Arif Mahmood , Karthik Nandakumar

Effectively addressing the challenge of industrial Anomaly Detection (AD) necessitates an ample supply of defective samples, a constraint often hindered by their scarcity in industrial contexts. This paper introduces a novel algorithm…

计算机视觉与模式识别 · 计算机科学 2024-03-27 Hanxi Li , Zhengxun Zhang , Hao Chen , Lin Wu , Bo Li , Deyin Liu , Mingwen Wang

Restoring images afflicted by complex real-world degradations remains challenging, as conventional methods often fail to adapt to the unique mixture and severity of artifacts present. This stems from a reliance on indirect cues which poorly…

计算机视觉与模式识别 · 计算机科学 2025-04-18 Xin Su , Chen Wu , Yu Zhang , Chen Lyu , Zhuoran Zheng

Complex degradations like noise, blur, and low resolution are typical challenges in real world image fusion tasks, limiting the performance and practicality of existing methods. End to end neural network based approaches are generally…

计算机视觉与模式识别 · 计算机科学 2026-04-13 Yu Shi , Yu Liu , Zhong-Cheng Wu , Juan Cheng , Huafeng Li , Xun Chen

Recently, the application of diffusion probabilistic models has advanced speech enhancement through generative approaches. However, existing diffusion-based methods have focused on the generation process in high-dimensional waveform or…

声音 · 计算机科学 2025-01-20 Shengkui Zhao , Zexu Pan , Kun Zhou , Yukun Ma , Chong Zhang , Bin Ma

A lot of search approaches have been explored for the selection of features in pattern classification domain in order to discover significant subset of the features which produces better accuracy. In this paper, we introduced a Harmony…

计算机视觉与模式识别 · 计算机科学 2017-07-27 Supratim Das , Pawan Kumar Singh , Showmik Bhowmik , Ram Sarkar , Mita Nasipuri

Diffusion models are emerging as powerful solutions for generating high-fidelity and diverse images, often surpassing GANs under many circumstances. However, their slow inference speed hinders their potential for real-time applications. To…

计算机视觉与模式识别 · 计算机科学 2024-06-18 Luan Thanh Trinh , Tomoki Hamagami