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Diffusion has shown great success in improving accuracy of unsupervised image retrieval systems by utilizing high-order structures of image manifold. However, existing diffusion methods suffer from three major limitations: 1) they usually…

Computer Vision and Pattern Recognition · Computer Science 2020-06-15 Zhiyong Dou , Haotian Cui , Lin Zhang , Bo Wang

Pixel-wise semantic segmentation for visual scene understanding not only needs to be accurate, but also efficient in order to find any use in real-time application. Existing algorithms even though are accurate but they do not focus on…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Abhishek Chaurasia , Eugenio Culurciello

In the domain of computer vision, deep residual neural networks like EfficientNet have set new standards in terms of robustness and accuracy. One key problem underlying the training of deep neural networks is the immanent lack of a…

Computer Vision and Pattern Recognition · Computer Science 2022-02-22 Raoul Schönhof , Jannes Elstner , Radu Manea , Steffen Tauber , Ramez Awad , Marco F. Huber

Recent research has demonstrated that the combination of pretrained diffusion models with neural radiance fields (NeRFs) has emerged as a promising approach for text-to-3D generation. Simply coupling NeRF with diffusion models will result…

Computer Vision and Pattern Recognition · Computer Science 2023-06-19 Lu Yu , Wei Xiang , Kang Han

Pixel-space diffusion has re-emerged as a promising alternative to latent-space generation because it avoids the representation bottleneck introduced by VAEs. Yet most existing methods still treat image generation as a frequency-homogeneous…

Computer Vision and Pattern Recognition · Computer Science 2026-05-08 Mingfeng Lin , Jiakun Chen , Liang Han , Liqiang Nie

Diffusion models (DMs) have achieved state-of-the-art generative performance but suffer from high sampling latency due to their sequential denoising nature. Existing solver-based acceleration methods often face image quality degradation…

Computer Vision and Pattern Recognition · Computer Science 2025-07-22 Beier Zhu , Ruoyu Wang , Tong Zhao , Hanwang Zhang , Chi Zhang

Denoising diffusion models achieved impressive results on several image generation tasks often outperforming GAN based models. Recently, the generative capabilities of diffusion models have been employed for perceptual image compression,…

Image and Video Processing · Electrical Eng. & Systems 2025-05-20 Jonas Brenig , Radu Timofte

In this work, we propose extreme compression techniques like binarization, ternarization for Neural Decoders such as TurboAE. These methods reduce memory and computation by a factor of 64 with a performance better than the quantized (with…

Information Theory · Computer Science 2021-06-21 Devannagari Vikas , Nancy Nayak , Sheetal Kalyani

The advent of foundation models in AI has significantly advanced general-purpose learning, enabling remarkable capabilities in zero-shot inference and in-context learning. However, training such models on physics data, including solutions…

Machine Learning · Computer Science 2025-10-27 Hyunsu Kim , Jonggeon Park , Joan Bruna , Hongseok Yang , Juho Lee

Masked Image Modeling (MIM) has achieved promising progress with the advent of Masked Autoencoders (MAE) and BEiT. However, subsequent works have complicated the framework with new auxiliary tasks or extra pre-trained models, inevitably…

Computer Vision and Pattern Recognition · Computer Science 2023-03-27 Yuan Liu , Songyang Zhang , Jiacheng Chen , Kai Chen , Dahua Lin

To circumvent the inherent fidelity bottlenecks and optimization misalignment of VAE-based latent diffusion, pixel-space diffusion models have emerged as a compelling end-to-end paradigm. However, existing pixel diffusion models often…

Computer Vision and Pattern Recognition · Computer Science 2026-05-19 Lichen Ma , Zipeng Guo , Yu He , Xiaolong Fu , Luohang Liu , Jingling Fu , Junshi Huang , Yan Li

Variational autoencoders (VAEs), that are built upon deep neural networks have emerged as popular generative models in computer vision. Most of the work towards improving variational autoencoders has focused mainly on making the…

Machine Learning · Statistics 2016-11-17 Siddharth Agrawal , Ambedkar Dukkipati

Modern diffusion/flow-based models for image generation typically exhibit two core characteristics: (i) using multi-step sampling, and (ii) operating in a latent space. Recent advances have made encouraging progress on each aspect…

Computer Vision and Pattern Recognition · Computer Science 2026-05-12 Yiyang Lu , Susie Lu , Qiao Sun , Hanhong Zhao , Zhicheng Jiang , Xianbang Wang , Tianhong Li , Zhengyang Geng , Kaiming He

High-performance deep neural network (DNN)-based systems are in high demand in edge environments. Due to its high computational complexity, it is challenging to deploy DNNs on edge devices with strict limitations on computational resources.…

Machine Learning · Computer Science 2023-07-04 Hiroki Kawakami , Hirohisa Watanabe , Keisuke Sugiura , Hiroki Matsutani

Semantic segmentation demands dense pixel-level annotations, which can be prohibitively expensive - especially under extremely constrained labeling budgets. In this paper, we address the problem of low-budget active learning for semantic…

Computer Vision and Pattern Recognition · Computer Science 2025-10-28 Jeongin Kim , Wonho Bae , YouLee Han , Giyeong Oh , Youngjae Yu , Danica J. Sutherland , Junhyug Noh

Data-driven flow-field reconstruction typically relies on autoencoder architectures that compress high-dimensional states into low-dimensional latent representations. However, classical approaches such as variational autoencoders (VAEs)…

Machine Learning · Computer Science 2026-01-14 AmirPouya Hemmasian , Amir Barati Farimani

Diffusion models are the current state-of-the-art in image generation, synthesizing high-quality images by breaking down the generation process into many fine-grained denoising steps. Despite their good performance, diffusion models are…

Computer Vision and Pattern Recognition · Computer Science 2023-10-31 Noam Elata , Bahjat Kawar , Tomer Michaeli , Michael Elad

Physics-informed neural networks (PINNs) offer a powerful framework for seismic wavefield modeling, yet they typically require time-consuming retraining when applied to different velocity models. Moreover, their training can suffer from…

Geophysics · Physics 2025-06-03 Shijun Cheng , Tariq Alkhalifah

Recently, spiking neural networks (SNNs) have demonstrated substantial potential in computer vision tasks. In this paper, we present an Efficient Spiking Deraining Network, called ESDNet. Our work is motivated by the observation that rain…

Computer Vision and Pattern Recognition · Computer Science 2024-05-13 Tianyu Song , Guiyue Jin , Pengpeng Li , Kui Jiang , Xiang Chen , Jiyu Jin

Fourier ptychography is a recently developed imaging approach for large field-of-view and high-resolution microscopy. Here we model the Fourier ptychographic forward imaging process using a convolution neural network (CNN) and recover the…

Computer Vision and Pattern Recognition · Computer Science 2018-03-12 Shaowei Jiang , Kaikai Guo , Jun Liao , Guoan Zheng