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Recent years have witnessed the great success of deep convolutional neural networks (CNNs) in image denoising. Albeit deeper network and larger model capacity generally benefit performance, it remains a challenging practical issue to train…

图像与视频处理 · 电气工程与系统科学 2020-10-26 Yali Peng , Yue Cao , Shigang Liu , Jian Yang , Wangmeng Zuo

Large language models have steadily increased in size to achieve improved performance; however, this growth has also led to greater inference time and computational demands. Consequently, there is rising interest in model size reduction…

Reconstructing 3D cone beam computed tomography (CBCT) images from a limited set of projections is an important inverse problem in many imaging applications from medicine to inertial confinement fusion (ICF). The performance of traditional…

图像与视频处理 · 电气工程与系统科学 2025-10-06 Xiaojian Xu , Marc Klasky , Michael T. McCann , Jason Hu , Jeffrey A. Fessler

We benchmark the efficacy of several novel orthogonal, symmetric, dilation-3 wavelets, derived from a unitary circuit based construction, towards image compression. The performance of these wavelets is compared across several photo…

图像与视频处理 · 电气工程与系统科学 2022-03-08 James C. McCord , Glen Evenbly

The training process of deep neural networks (DNNs) is usually pipelined with stages for data preparation on CPUs followed by gradient computation on accelerators like GPUs. In an ideal pipeline, the end-to-end training throughput is…

计算机视觉与模式识别 · 计算机科学 2022-08-19 Jonghyun Bae , Woohyeon Baek , Tae Jun Ham , Jae W. Lee

We presented a 2D/3D MV image registration method based on a Convolutional Neural Network. Most of the traditional image registration method intensity-based, which use optimization algorithms to maximize the similarity between to images.…

计算机视觉与模式识别 · 计算机科学 2018-11-30 Hector N. B. Pinheiro , Tsang Ing Ren , Stefan Scheib , Armel Rosselet , Stefan Thieme-Marti

Three-dimensional (3D) reconstruction of head Computed Tomography (CT) images elucidates the intricate spatial relationships of tissue structures, thereby assisting in accurate diagnosis. Nonetheless, securing an optimal head CT scan…

计算机视觉与模式识别 · 计算机科学 2023-09-18 Bowen Zheng , Chenxi Huang , Yuemei Luo

Deep neural networks, in particular convolutional neural networks, have become highly effective tools for compressing images and solving inverse problems including denoising, inpainting, and reconstruction from few and noisy measurements.…

计算机视觉与模式识别 · 计算机科学 2019-03-12 Reinhard Heckel , Paul Hand

In this paper, we present a novel transformer-based architecture for end-to-end image compression. Our architecture incorporates blocks that effectively capture local dependencies between tokens, eliminating the need for positional encoding…

图像与视频处理 · 电气工程与系统科学 2024-09-09 Bouzid Arezki , Fangchen Feng , Anissa Mokraoui

In deep networks, the lost data details significantly degrade the performances of image segmentation. In this paper, we propose to apply Discrete Wavelet Transform (DWT) to extract the data details during feature map down-sampling, and…

计算机视觉与模式识别 · 计算机科学 2020-06-01 Qiufu Li , Linlin Shen

Recently, learned image compression schemes have achieved remarkable improvements in image fidelity (e.g., PSNR and MS-SSIM) compared to conventional hybrid image coding ones due to their high-efficiency non-linear transform, end-to-end…

图像与视频处理 · 电气工程与系统科学 2023-03-09 Feng Ding , Jian Jin , Lili Meng , Weisi Lin

Some forms of novel visual media enable the viewer to explore a 3D scene from arbitrary viewpoints, by interpolating between a discrete set of original views. Compared to 2D imagery, these types of applications require much larger amounts…

计算机视觉与模式识别 · 计算机科学 2021-04-27 Thomas Bird , Johannes Ballé , Saurabh Singh , Philip A. Chou

In this paper, we propose a set of transform-based neural network layers as an alternative to the $3\times3$ Conv2D layers in Convolutional Neural Networks (CNNs). The proposed layers can be implemented based on orthogonal transforms such…

计算机视觉与模式识别 · 计算机科学 2024-04-24 Hongyi Pan , Emadeldeen Hamdan , Xin Zhu , Salih Atici , Ahmet Enis Cetin

Although equirectangular projection (ERP) is a convenient form to store omnidirectional images (also known as 360-degree images), it is neither equal-area nor conformal, thus not friendly to subsequent visual communication. In the context…

图像与视频处理 · 电气工程与系统科学 2021-12-28 Mu Li , Kede Ma , Jinxing Li , David Zhang

In recent research, Learned Image Compression has gained prominence for its capacity to outperform traditional handcrafted pipelines, especially at low bit-rates. While existing methods incorporate convolutional priors with occasional…

图像与视频处理 · 电气工程与系统科学 2023-10-18 Natacha Luka , Romain Negrel , David Picard

Convolutional neural networks are state-of-the-art for various segmentation tasks. While for 2D images these networks are also computationally efficient, 3D convolutions have huge storage requirements and require long training time. To…

计算机视觉与模式识别 · 计算机科学 2019-08-06 Christoph Angermann , Markus Haltmeier , Ruth Steiger , Sergiy Pereverzyev , Elke Gizewski

We propose an end-to-end image compression and analysis model with Transformers, targeting to the cloud-based image classification application. Instead of placing an existing Transformer-based image classification model directly after an…

计算机视觉与模式识别 · 计算机科学 2021-12-20 Yuanchao Bai , Xu Yang , Xianming Liu , Junjun Jiang , Yaowei Wang , Xiangyang Ji , Wen Gao

Recent work has shown that learned image compression strategies can outperform standard hand-crafted compression algorithms that have been developed over decades of intensive research on the rate-distortion trade-off. With growing…

图像与视频处理 · 电气工程与系统科学 2021-11-04 Felipe Codevilla , Jean Gabriel Simard , Ross Goroshin , Chris Pal

Training Artificial Intelligence (AI) models on 3D images presents unique challenges compared to the 2D case: Firstly, the demand for computational resources is significantly higher, and secondly, the availability of large datasets for…

The human brain has immense learning capabilities at extreme energy efficiencies and scale that no artificial system has been able to match. For decades, reverse engineering the brain has been one of the top priorities of science and…