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Accurately controlling object count in text-to-image generation remains a key challenge. Supervised methods often fail, as training data rarely covers all count variations. Methods that manipulate the denoising process to add or remove…

计算机视觉与模式识别 · 计算机科学 2025-06-06 Oz Zafar , Yuval Cohen , Lior Wolf , Idan Schwartz

Recently diffusion models have shown improvement in synthetic image quality as well as better control in generation. We motivate and present Gen2Det, a simple modular pipeline to create synthetic training data for object detection for free…

计算机视觉与模式识别 · 计算机科学 2023-12-08 Saksham Suri , Fanyi Xiao , Animesh Sinha , Sean Chang Culatana , Raghuraman Krishnamoorthi , Chenchen Zhu , Abhinav Shrivastava

Recent text-to-image generative models can generate high-fidelity images from text prompts. However, these models struggle to consistently generate the same objects in different contexts with the same appearance. Consistent object…

计算机视觉与模式识别 · 计算机科学 2023-10-12 Alec Helbling , Evan Montoya , Duen Horng Chau

In this paper, we present a novel paradigm to enhance the ability of object detector, e.g., expanding categories or improving detection performance, by training on synthetic dataset generated from diffusion models. Specifically, we…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Chengjian Feng , Yujie Zhong , Zequn Jie , Weidi Xie , Lin Ma

Large-scale generative models have achieved remarkable advancements in various visual tasks, yet their application to shadow removal in images remains challenging. These models often generate diverse, realistic details without adequate…

计算机视觉与模式识别 · 计算机科学 2024-12-04 Xinjie Li , Yang Zhao , Dong Wang , Yuan Chen , Li Cao , Xiaoping Liu

Image synthesis approaches, e.g., generative adversarial networks, have been popular as a form of data augmentation in medical image analysis tasks. It is primarily beneficial to overcome the shortage of publicly accessible data and…

计算机视觉与模式识别 · 计算机科学 2023-10-05 Shiyi Du , Xiaosong Wang , Yongyi Lu , Yuyin Zhou , Shaoting Zhang , Alan Yuille , Kang Li , Zongwei Zhou

Applying convolutional neural networks to large images is computationally expensive because the amount of computation scales linearly with the number of image pixels. We present a novel recurrent neural network model that is capable of…

机器学习 · 计算机科学 2014-06-25 Volodymyr Mnih , Nicolas Heess , Alex Graves , Koray Kavukcuoglu

Reliable image transmission over wireless channels is particularly challenging at extremely low transmission rates, where conventional compression and channel coding schemes fail to preserve adequate visual quality. To address this issue,…

信息论 · 计算机科学 2025-10-27 Shengkang Chen , Tong Wu , Zhiyong Chen , Feng Yang , Meixia Tao , Wenjun Zhang

In the medical field, the limited availability of large-scale datasets and labor-intensive annotation processes hinder the performance of deep models. Diffusion-based generative augmentation approaches present a promising solution to this…

Recent advances in large-scale text-to-image diffusion models (e.g., FLUX.1) have greatly improved visual fidelity in consistent character generation and editing. However, existing methods rarely unify these tasks within a single framework.…

计算机视觉与模式识别 · 计算机科学 2025-10-14 Benjia Zhou , Bin Fu , Pei Cheng , Yanru Wang , Jiayuan Fan , Tao Chen

Robust content moderation classifiers are essential for the safety of Generative AI systems. In this task, differences between safe and unsafe inputs are often extremely subtle, making it difficult for classifiers (and indeed, even humans)…

Large-scale generative models have shown impressive image-generation capabilities, propelled by massive data. However, this often inadvertently leads to the generation of harmful or inappropriate content and raises copyright concerns.…

机器学习 · 计算机科学 2025-03-11 Myeongseob Ko , Henry Li , Zhun Wang , Jonathan Patsenker , Jiachen T. Wang , Qinbin Li , Ming Jin , Dawn Song , Ruoxi Jia

High-dimensional generative models have many applications including image compression, multimedia generation, anomaly detection and data completion. State-of-the-art estimators for natural images are autoregressive, decomposing the joint…

机器学习 · 计算机科学 2020-06-30 Ajay Jain , Pieter Abbeel , Deepak Pathak

Existing detectors are often trained on biased datasets, leading to the possibility of overfitting on non-causal image attributes that are spuriously correlated with real/synthetic labels. While these biased features enhance performance on…

计算机视觉与模式识别 · 计算机科学 2025-10-22 Ruoxin Chen , Junwei Xi , Zhiyuan Yan , Ke-Yue Zhang , Shuang Wu , Jingyi Xie , Xu Chen , Lei Xu , Isabel Guan , Taiping Yao , Shouhong Ding

The rapid advancement of generative AI has revolutionized image creation, enabling high-quality synthesis from text prompts while raising critical challenges for media authenticity. We present Ai-GenBench, a novel benchmark designed to…

计算机视觉与模式识别 · 计算机科学 2025-12-17 Lorenzo Pellegrini , Davide Cozzolino , Serafino Pandolfini , Davide Maltoni , Matteo Ferrara , Luisa Verdoliva , Marco Prati , Marco Ramilli

Reinforcement learning (RL) has improved guided image generation with diffusion models by directly optimizing rewards that capture image quality, aesthetics, and instruction following capabilities. However, the resulting generative policies…

计算机视觉与模式识别 · 计算机科学 2024-06-25 Owen Oertell , Jonathan D. Chang , Yiyi Zhang , Kianté Brantley , Wen Sun

Data augmentation refers to the process of applying a series of transformations or expansions to original data to generate new samples, thereby increasing the diversity and quantity of the data, effectively improving the performance and…

计算机视觉与模式识别 · 计算机科学 2024-06-11 Hao Zhang , Shuaijie Zhang , Renbin Zou

Speech super-resolution (SR) is the task that restores high-resolution speech from low-resolution input. Existing models employ simulated data and constrained experimental settings, which limit generalization to real-world SR. Predictive…

音频与语音处理 · 电气工程与系统科学 2024-01-26 Heming Wang , Eric W. Healy , DeLiang Wang

Generative data augmentation has demonstrated gains in several vision tasks, but its impact on object re-identification - where preserving fine-grained visual details is essential - remains largely unexplored. In this work, we assess the…

计算机视觉与模式识别 · 计算机科学 2025-07-23 Leonardo Santiago Benitez Pereira , Arathy Jeevan

Generative image models are increasingly being used for training data augmentation in vision tasks. In the context of automotive object detection, methods usually focus on producing augmented frames that look as realistic as possible, for…

计算机视觉与模式识别 · 计算机科学 2025-04-25 Jens Petersen , Davide Abati , Amirhossein Habibian , Auke Wiggers