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We present FourierNet, a single shot, anchor-free, fully convolutional instance segmentation method that predicts a shape vector. Consequently, this shape vector is converted into the masks' contour points using a fast numerical transform.…

Computer Vision and Pattern Recognition · Computer Science 2020-10-20 Hamd ul Moqeet Riaz , Nuri Benbarka , Andreas Zell

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…

Image and Video Processing · Electrical Eng. & Systems 2021-10-18 Jeya Maria Jose Valanarasu , Vishwanath A. Sindagi , Ilker Hacihaliloglu , Vishal M. Patel

Image analysis technology is used to solve the inadvertences of artificial traditional methods in disease, wastewater treatment, environmental change monitoring analysis and convolutional neural networks (CNN) play an important role in…

Image and Video Processing · Electrical Eng. & Systems 2022-04-26 Jian Wu , Wanli Liu , Chen Li , Tao Jiang , Islam Mohammad Shariful , Hongzan Sun , Xiaoqi Li , Xintong Li , Xinyu Huang , Marcin Grzegorzek

Breast ultrasound videos contain richer information than ultrasound images, therefore it is more meaningful to develop video models for this diagnosis task. However, the collection of ultrasound video datasets is much harder. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2023-06-13 AnLan Sun , Zhao Zhang , Meng Lei , Yuting Dai , Dong Wang , Liwei Wang

This work explores a hybrid approach to segmentation as an alternative to a purely data-driven approach. We introduce an end-to-end U-Net based network called DU-Net, which uses additional frequency preserving features, namely the…

Image and Video Processing · Electrical Eng. & Systems 2020-04-16 Alakh Desai , Ruchi Chauhan , Jayanthi Sivaswamy

Medical imaging is essential in healthcare to provide key insights into patient anatomy and pathology, aiding in diagnosis and treatment. Non-invasive techniques such as X-ray, Magnetic Resonance Imaging (MRI), Computed Tomography (CT), and…

Image and Video Processing · Electrical Eng. & Systems 2024-12-04 Fnu Neha , Deepshikha Bhati , Deepak Kumar Shukla , Sonavi Makarand Dalvi , Nikolaos Mantzou , Safa Shubbar

Deep neural networks (DNNs) have demonstrated remarkable success in medical imaging, yet their real-world deployment remains challenging due to spurious correlations, where models can learn non-clinical features instead of meaningful…

Image and Video Processing · Electrical Eng. & Systems 2025-10-03 Jong Bum Won , Wesley De Neve , Joris Vankerschaver , Utku Ozbulak

Radiologists interpret mammography exams by jointly analyzing all four views, as correlations among them are crucial for accurate diagnosis. Recent methods employ dedicated fusion blocks to capture such dependencies, but these are often…

Computer Vision and Pattern Recognition · Computer Science 2025-09-29 Eleonora Lopez , Eleonora Grassucci , Danilo Comminiello

Digital image plays a vital role in the early detection of cancers, such as prostate cancer, breast cancer, lungs cancer, cervical cancer. Ultrasound imaging method is also suitable for early detection of the abnormality of fetus. The…

Computer Vision and Pattern Recognition · Computer Science 2022-04-21 Vidhi Rawat , Alok Jain , Vibhakar Shrimali

Deep learning has achieved tremendous success in computer vision, while medical image segmentation (MIS) remains a challenge, due to the scarcity of data annotations. Meta-learning techniques for few-shot segmentation (Meta-FSS) have been…

Computer Vision and Pattern Recognition · Computer Science 2023-03-08 Qianqian Shen , Yanan Li , Jiyong Jin , Bin Liu

We use a microwave cavity to investigate the influence of a movable absorbing center on the wave function of an open quantum dot. Our study shows that the absorber acts as a position-selective probe, which may be used to suppress those wave…

Mesoscale and Nanoscale Physics · Physics 2010-06-07 Y. -H. Kim , M. Barth , U. Kuhl , H. -J. Stoeckmann , J. P. Bird

In this study, the performance of existing U-shaped neural network architectures was enhanced for medical image segmentation by adding Transformer. Although Transformer architectures are powerful at extracting global information, its…

Image and Video Processing · Electrical Eng. & Systems 2024-04-12 Songkai Sun , Qingshan She , Yuliang Ma , Rihui Li , Yingchun Zhang

Breast cancer detection through mammography interpretation remains difficult because of the minimal nature of abnormalities that experts need to identify alongside the variable interpretations between readers. The potential of CNNs for…

Image and Video Processing · Electrical Eng. & Systems 2025-08-11 Ojonugwa Oluwafemi Ejiga Peter , Daniel Emakporuena , Bamidele Dayo Tunde , Maryam Abdulkarim , Abdullahi Bn Umar

Introduction: Quantification of dynamic contrast-enhanced (DCE)-MRI has the potential to provide valuable clinical information, but robust pharmacokinetic modeling remains a challenge for clinical adoption. Methods: A 7-layer neural network…

Medical Physics · Physics 2024-05-22 Ouri Cohen , Soudabeh Kargar , Sungmin Woo , Alberto Vargas , Ricardo Otazo

In this manuscript we demonstrate a method to reconstruct the wavefront of focused beams from a measured diffraction pattern behind a diffracting mask in real-time. The phase problem is solved by means of a neural network, which is trained…

Image and Video Processing · Electrical Eng. & Systems 2021-04-07 Jonathon White , Sici Wang , Wilhelm Eschen , Jan Rothhardt

This paper presents an application of digital Fourier holography for selective imaging of scatterers with different sizes in turbid media such as biological tissues. A combination of Fourier holography and high-resolution digital recording,…

Optics · Physics 2007-05-23 Sergey A. Alexandrov , P. Meredith , T. J. McIntyre , A. V. Zvyagin

We design a new connectivity pattern for the U-Net architecture. Given several stacked U-Nets, we couple each U-Net pair through the connections of their semantic blocks, resulting in the coupled U-Nets (CU-Net). The coupling connections…

Computer Vision and Pattern Recognition · Computer Science 2018-08-21 Zhiqiang Tang , Xi Peng , Shijie Geng , Yizhe Zhu , Dimitris N. Metaxas

We study the fully convolutional neural networks in the context of malignancy detection for breast cancer screening. We work on a supervised segmentation task looking for an acceptable compromise between the precision of the network and the…

Computer Vision and Pattern Recognition · Computer Science 2020-11-30 Mickael Tardy , Diana Mateus

This paper presents U-net based breast cancer metastases detection and classification in lymph nodes, as well as patient-level classification based on metastases detection. The whole pipeline can be divided into five steps: preprocessing…

Image and Video Processing · Electrical Eng. & Systems 2019-09-11 Lin Xu , Cheng Xu , Yi Tong , Yu Chun Su

Intensity, wavevector, phase, and polarization are the most important parameters of any light beam. Understanding the wavevector distribution has emerged as a very important problem in recent days, especially at nanoscale. It provides…

Optics · Physics 2020-01-22 Adarsh B. Vasista , Deepak K. Sharma , G V Pavan Kumar