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Recent advancements in large generative models, particularly diffusion-based methods, have significantly enhanced the capabilities of image editing. However, achieving precise control over image composition tasks remains a challenge.…

计算机视觉与模式识别 · 计算机科学 2024-11-28 Jinrui Yang , Qing Liu , Yijun Li , Soo Ye Kim , Daniil Pakhomov , Mengwei Ren , Jianming Zhang , Zhe Lin , Cihang Xie , Yuyin Zhou

Data diversity is critical to success when training deep learning models. Medical imaging data sets are often imbalanced as pathologic findings are generally rare, which introduces significant challenges when training deep learning models.…

In this paper, we propose a novel data augmentation technique called GenMix, which combines generative and mixture approaches to leverage the strengths of both methods. While generative models excel at creating new data patterns, they face…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Hansang Lee , Haeil Lee , Helen Hong

We propose a novel procedure to improve liver and lesion segmentation from CT scans for U-Net based models. Our method extends standard segmentation pipelines to focus on higher target recall or reduction of noisy false-positive…

图像与视频处理 · 电气工程与系统科学 2020-03-13 Karsten Roth , Jürgen Hesser , Tomasz Konopczyński

We develop and approach to unsupervised semantic medical image segmentation that extends previous work with generative adversarial networks. We use existing edge detection methods to construct simple edge diagrams, train a generative model…

图像与视频处理 · 电气工程与系统科学 2019-11-14 Umaseh Sivanesan , Luis H. Braga , Ranil R. Sonnadara , Kiret Dhindsa

Learning disentangled representation of data without supervision is an important step towards improving the interpretability of generative models. Despite recent advances in disentangled representation learning, existing approaches often…

计算机视觉与模式识别 · 计算机科学 2020-01-14 Wonkwang Lee , Donggyun Kim , Seunghoon Hong , Honglak Lee

Synthesizing a densely sampled light field from a single image is highly beneficial for many applications. The conventional method reconstructs a depth map and relies on physical-based rendering and a secondary network to improve the…

计算机视觉与模式识别 · 计算机科学 2019-04-01 Andre Ivan , Williem , In Kyu Park

Segmentation from renal pathological images is a key step in automatic analyzing the renal histological characteristics. However, the performance of models varies significantly in different types of stained datasets due to the appearance…

图像与视频处理 · 电气工程与系统科学 2020-02-21 Ke Mei , Chuang Zhu , Lei Jiang , Jun Liu , Yuanyuan Qiao

Deep generative models come with the promise to learn an explainable representation for visual objects that allows image sampling, synthesis, and selective modification. The main challenge is to learn to properly model the independent…

计算机视觉与模式识别 · 计算机科学 2019-10-24 Patrick Esser , Johannes Haux , Björn Ommer

Despite remarkable recent progress on both unconditional and conditional image synthesis, it remains a long-standing problem to learn generative models that are capable of synthesizing realistic and sharp images from reconfigurable spatial…

计算机视觉与模式识别 · 计算机科学 2019-08-21 Wei Sun , Tianfu Wu

3D laser scanning by LiDAR sensors plays an important role for mobile robots to understand their surroundings. Nevertheless, not all systems have high resolution and accuracy due to hardware limitations, weather conditions, and so on.…

计算机视觉与模式识别 · 计算机科学 2021-08-03 Kazuto Nakashima , Ryo Kurazume

3D-aware generative models have demonstrated their superb performance to generate 3D neural radiance fields (NeRF) from a collection of monocular 2D images even for topology-varying object categories. However, these methods still lack the…

计算机视觉与模式识别 · 计算机科学 2022-09-12 Ziyu Wang , Yu Deng , Jiaolong Yang , Jingyi Yu , Xin Tong

Objectives. We generate via advanced Deep Learning (DL) techniques artificial leaf images in an automatized way. We aim to dispose of a source of training samples for AI applications for modern crop management. Such applications require…

计算机视觉与模式识别 · 计算机科学 2023-01-11 Alessandro Benfenati , Davide Bolzi , Paola Causin , Roberto Oberti

Data augmentation can effectively resolve a scarcity of images when training machine-learning algorithms. It can make them more robust to unseen images. We present a lesion conditional Generative Adversarial Network LcGAN to generate…

图像与视频处理 · 电气工程与系统科学 2020-08-10 Manohar Karki , Junghwan Cho , Seokhwan Ko

Insufficient training data and severe class imbalance are often limiting factors when developing machine learning models for the classification of rare diseases. In this work, we address the problem of classifying bone lesions from X-ray…

机器学习 · 计算机科学 2019-02-07 Anant Gupta , Srivas Venkatesh , Sumit Chopra , Christian Ledig

Anomaly detection plays a vital role in industrial manufacturing. Due to the scarcity of real defect images, unsupervised approaches that rely solely on normal images have been extensively studied. Recently, diffusion-based generative…

计算机视觉与模式识别 · 计算机科学 2025-12-30 Sungho Kang , Hyunkyu Park , Yeonho Lee , Hanbyul Lee , Mijoo Jeong , YeongHyeon Park , Injae Lee , Juneho Yi

Despite data augmentation being a de facto technique for boosting the performance of deep neural networks, little attention has been paid to developing augmentation strategies for generative adversarial networks (GANs). To this end, we…

计算机视觉与模式识别 · 计算机科学 2021-02-02 Prateek Katiyar , Anna Khoreva

Liver vessel segmentation in magnetic resonance imaging data is important for the computational analysis of vascular remodelling, associated with a wide spectrum of diffuse liver diseases. Existing approaches rely on contrast enhanced…

计算机视觉与模式识别 · 计算机科学 2025-09-08 Daniel Sobotka , Alexander Herold , Matthias Perkonigg , Lucian Beer , Nina Bastati , Alina Sablatnig , Ahmed Ba-Ssalamah , Georg Langs

Deep generative models are becoming widely used across science and industry for a variety of purposes. A common challenge is achieving a precise implicit or explicit representation of the data probability density. Recent proposals have…

机器学习 · 统计学 2021-11-05 Ramon Winterhalder , Marco Bellagente , Benjamin Nachman

Skin lesion segmentation is a vital task in skin cancer diagnosis and further treatment. Although deep learning based approaches have significantly improved the segmentation accuracy, these algorithms are still reliant on having a large…

图像与视频处理 · 电气工程与系统科学 2019-07-16 Kumar Abhishek , Ghassan Hamarneh