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相关论文: Medical Image Segmentation via Sparse Coding Decod…

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Medical image segmentation is one of the most fundamental tasks concerning medical information analysis. Various solutions have been proposed so far, including many deep learning-based techniques, such as U-Net, FC-DenseNet, etc. However,…

图像与视频处理 · 电气工程与系统科学 2022-07-08 Zihan Li , Dihan Li , Cangbai Xu , Weice Wang , Qingqi Hong , Qingde Li , Jie Tian

Natural signals and images are well-known to be approximately sparse in transform domains such as Wavelets and DCT. This property has been heavily exploited in various applications in image processing and medical imaging. Compressed sensing…

机器学习 · 计算机科学 2015-10-26 Saiprasad Ravishankar , Yoram Bresler

Conventional deep convolutional neural networks (CNNs) apply convolution operators uniformly in space across all feature maps for hundreds of layers - this incurs a high computational cost for real-time applications. For many problems such…

计算机视觉与模式识别 · 计算机科学 2018-06-08 Mengye Ren , Andrei Pokrovsky , Bin Yang , Raquel Urtasun

Traditional dictionary learning based CT reconstruction methods are patch-based and the features learned with these methods often contain shifted versions of the same features. To deal with these problems, the convolutional sparse coding…

医学物理 · 物理学 2018-10-16 Peng Bao , Wenjun Xia , Kang Yang , Jiliu Zhou , Yi Zhang

Image denoising is an important pre-processing step in medical image analysis. Different algorithms have been proposed in past three decades with varying denoising performances. More recently, having outperformed all conventional methods,…

计算机视觉与模式识别 · 计算机科学 2017-02-21 Lovedeep Gondara

Models based on U-like structures have improved the performance of medical image segmentation. However, the single-layer decoder structure of U-Net is too "thin" to exploit enough information, resulting in large semantic differences between…

图像与视频处理 · 电气工程与系统科学 2023-09-08 Haoyuan Chen , Yufei Han , Pin Xu , Yanyi Li , Kuan Li , Jianping Yin

We propose a system for visual scene analysis and recognition based on encoding the sparse, latent feature-representation of an image into a high-dimensional vector that is subsequently factorized to parse scene content. The sparse feature…

计算机视觉与模式识别 · 计算机科学 2024-07-01 Christopher J. Kymn , Sonia Mazelet , Annabel Ng , Denis Kleyko , Bruno A. Olshausen

Medical image segmentation is crucial for disease diagnosis and monitoring. Though effective, the current segmentation networks such as UNet struggle with capturing long-range features. More accurate models such as TransUNet, Swin-UNet, and…

图像与视频处理 · 电气工程与系统科学 2024-06-11 Khaled Alrfou , Tian Zhao

Transformers have achieved remarkable success across multiple fields, yet their impact on 3D medical image segmentation remains limited with convolutional networks still dominating major benchmarks. In this work, (A) we analyze current…

Semantic segmentation of remotely sensed urban scene images is required in a wide range of practical applications, such as land cover mapping, urban change detection, environmental protection, and economic assessment.Driven by rapid…

计算机视觉与模式识别 · 计算机科学 2022-06-28 Libo Wang , Rui Li , Ce Zhang , Shenghui Fang , Chenxi Duan , Xiaoliang Meng , Peter M. Atkinson

High-resolution images are preferable in medical imaging domain as they significantly improve the diagnostic capability of the underlying method. In particular, high resolution helps substantially in improving automatic image segmentation.…

图像与视频处理 · 电气工程与系统科学 2024-10-03 Muhammad Hamza Sharif , Dmitry Demidov , Asif Hanif , Mohammad Yaqub , Min Xu

Depthwise separable convolutions reduce the number of parameters and computation used in convolutional operations while increasing representational efficiency. They have been shown to be successful in image classification models, both in…

计算与语言 · 计算机科学 2017-06-19 Lukasz Kaiser , Aidan N. Gomez , Francois Chollet

Most methods for medical image segmentation use U-Net or its variants as they have been successful in most of the applications. After a detailed analysis of these "traditional" encoder-decoder based approaches, we observed that they perform…

图像与视频处理 · 电气工程与系统科学 2021-10-18 Jeya Maria Jose Valanarasu , Vishwanath A. Sindagi , Ilker Hacihaliloglu , Vishal M. Patel

Convolution neural networks (CNNs) have succeeded in compressive image sensing. However, due to the inductive bias of locality and weight sharing, the convolution operations demonstrate the intrinsic limitations in modeling the long-range…

图像与视频处理 · 电气工程与系统科学 2022-01-03 Dongjie Ye , Zhangkai Ni , Hanli Wang , Jian Zhang , Shiqi Wang , Sam Kwong

Accurate medical image segmentation is critical for disease quantification and treatment evaluation. While traditional Unet architectures and their transformer-integrated variants excel in automated segmentation tasks. However, they lack…

图像与视频处理 · 电气工程与系统科学 2025-06-09 Guanqun Sun , Yizhi Pan , Weikun Kong , Zichang Xu , Jianhua Ma , Teeradaj Racharak , Le-Minh Nguyen , Junyi Xin

Over the past decade, the celebrated sparse representation model has achieved impressive results in various signal and image processing tasks. A convolutional version of this model, termed convolutional sparse coding (CSC), has been…

信号处理 · 电气工程与系统科学 2018-10-03 Ives Rey-Otero , Jeremias Sulam , Michael Elad

Pansharpening is a fundamental issue in remote sensing field. This paper proposes a side information partially guided convolutional sparse coding (SCSC) model for pansharpening. The key idea is to split the low resolution multispectral…

计算机视觉与模式识别 · 计算机科学 2021-03-11 Shuang Xu , Jiangshe Zhang , Kai Sun , Zixiang Zhao , Lu Huang , Junmin Liu , Chunxia Zhang

This paper proposes a high-precision semantic segmentation method based on an improved TransUNet architecture to address the challenges of complex lesion structures, blurred boundaries, and significant scale variations in skin lesion…

图像与视频处理 · 电气工程与系统科学 2025-08-21 Xin Wang , Xiaopei Zhang , Xingang Wang

Convolutional Sparse Coding (CSC) has been attracting more and more attention in recent years, for making full use of image global correlation to improve performance on various computer vision applications. However, very few studies focus…

图像与视频处理 · 电气工程与系统科学 2019-08-06 Menglei Zhang , Zhou Liu , Lei Yu

Medical image segmentation has been very challenging due to the large variation of anatomy across different cases. Recent advances in deep learning frameworks have exhibited faster and more accurate performance in image segmentation. Among…

图像与视频处理 · 电气工程与系统科学 2020-03-12 Maryam Asadi-Aghbolaghi , Reza Azad , Mahmood Fathy , Sergio Escalera