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Vestibular Schwannoma is a benign brain tumour that grows from one of the balance nerves. Patients may be treated by surgery, radiosurgery or with a conservative "wait-and-scan" strategy. Clinicians typically use manually extracted linear…

图像与视频处理 · 电气工程与系统科学 2024-06-05 Navodini Wijethilake , Steve Connor , Anna Oviedova , Rebecca Burger , Tom Vercauteren , Jonathan Shapey

The goal of unsupervised anomaly segmentation (UAS) is to detect the pixel-level anomalies unseen during training. It is a promising field in the medical imaging community, e.g, we can use the model trained with only healthy data to segment…

图像与视频处理 · 电气工程与系统科学 2021-03-17 Chenxin Li , Yunlong Zhang , Jiongcheng Li , Yue Huang , Xinghao Ding

Unsupervised learning can discover various unseen diseases, relying on large-scale unannotated medical images of healthy subjects. Towards this, unsupervised methods reconstruct a single medical image to detect outliers either in the…

图像与视频处理 · 电气工程与系统科学 2020-03-18 Changhee Han , Leonardo Rundo , Kohei Murao , Zoltán Ádám Milacski , Kazuki Umemoto , Evis Sala , Hideki Nakayama , Shin'ichi Satoh

Anomaly detection in MRI is of high clinical value in imaging and diagnosis. Unsupervised methods for anomaly detection provide interesting formulations based on reconstruction or latent embedding, offering a way to observe properties…

图像与视频处理 · 电气工程与系统科学 2022-11-29 Ayantika Das , Arun Palla , Keerthi Ram , Mohanasankar Sivaprakasam

Accurate segmentation of brain tumors is vital for diagnosis, surgical planning, and treatment monitoring. Deep learning has advanced on benchmarks, but two issues limit clinical use: no uncertainty estimates for errors and no segmentation…

计算机视觉与模式识别 · 计算机科学 2025-11-18 Andrew Zhou

Deep learning-based brain tumor segmentation (BTS) models for multi-modal MRI images have seen significant advancements in recent years. However, a common problem in practice is the unavailability of some modalities due to varying scanning…

计算机视觉与模式识别 · 计算机科学 2024-06-17 Weide Liu , Jingwen Hou , Xiaoyang Zhong , Huijing Zhan , Jun Cheng , Yuming Fang , Guanghui Yue

We propose a novel semi-supervised image segmentation method that simultaneously optimizes a supervised segmentation and an unsupervised reconstruction objectives. The reconstruction objective uses an attention mechanism that separates the…

计算机视觉与模式识别 · 计算机科学 2019-07-30 Shuai Chen , Gerda Bortsova , Antonio Garcia-Uceda Juarez , Gijs van Tulder , Marleen de Bruijne

A brain tumour is a mass or cluster of abnormal cells in the brain, which has the possibility of becoming life-threatening because of its ability to invade neighbouring tissues and also form metastases. An accurate diagnosis is essential…

图像与视频处理 · 电气工程与系统科学 2022-01-28 Soumick Chatterjee , Faraz Ahmed Nizamani , Andreas Nürnberger , Oliver Speck

Image segmentation some of the challenging issues on brain magnetic resonance image tumor segmentation caused by the weak correlation between magnetic resonance imaging intensity and anatomical meaning.With the objective of utilizing more…

计算机视觉与模式识别 · 计算机科学 2014-03-25 Narkhede Sachin G. , Vaishali Khairnar , Sujata Kadu

Anomalies are by definition rare, thus labeled examples are very limited or nonexistent, and likely do not cover unforeseen scenarios. Unsupervised learning methods that don't necessarily encounter anomalies in training would be immensely…

计算机视觉与模式识别 · 计算机科学 2020-06-23 Louise Naud , Alexander Lavin

Diagnosing Brain Tumor with the aid of Magnetic Resonance Imaging (MRI) has gained enormous prominence over the years, primarily in the field of medical science. Detection and/or partitioning of brain tumors solely with the aid of MR…

图像与视频处理 · 电气工程与系统科学 2020-11-19 Md. Abu Bakr Siddique , Shadman Sakib , Mohammad Mahmudur Rahman Khan , Abyaz Kader Tanzeem , Madiha Chowdhury , Nowrin Yasmin

Robust and accurate detection and segmentation of heterogenous tumors appearing in different anatomical organs with supervised methods require large-scale labeled datasets covering all possible types of diseases. Due to the unavailability…

计算机视觉与模式识别 · 计算机科学 2023-05-23 Mehdi Astaraki , Francesca De Benetti , Yousef Yeganeh , Iuliana Toma-Dasu , Örjan Smedby , Chunliang Wang , Nassir Navab , Thomas Wendler

This paper proposes an efficient solution for tumor segmentation and classification in breast ultrasound (BUS) images. We propose to add an atrous convolution layer to the conditional generative adversarial network (cGAN) segmentation model…

图像与视频处理 · 电气工程与系统科学 2019-07-02 Vivek Kumar Singh , Hatem A. Rashwan , Mohamed Abdel-Nasser , Md. Mostafa Kamal Sarker , Farhan Akram , Nidhi Pandey , Santiago Romani , Domenec Puig

Stereotactic radiosurgery is a minimally-invasive treatment option for a large number of patients with intracranial tumors. As part of the therapy treatment, accurate delineation of brain tumors is of great importance. However,…

Due to the difficulties of obtaining multimodal paired images in clinical practice, recent studies propose to train brain tumor segmentation models with unpaired images and capture complementary information through modality translation.…

计算机视觉与模式识别 · 计算机科学 2022-08-29 Zecheng Liu , Jia Wei , Rui Li

We propose a novel unsupervised out-of-distribution detection method for medical images based on implicit fields image representations. In our approach, an auto-decoder feed-forward neural network learns the distribution of healthy images…

图像与视频处理 · 电气工程与系统科学 2021-06-10 Sergio Naval Marimont , Giacomo Tarroni

Brain tumor is a life-threatening problem and hampers the normal functioning of the human body. The average five-year relative survival rate for malignant brain tumors is 35.6 percent. For proper diagnosis and efficient treatment planning,…

图像与视频处理 · 电气工程与系统科学 2024-07-16 Vidhyapriya Ranganathan , Celshiya Udaiyar , Jaisree Jayanth , Meghaa P , Srija B , Uthra S

Classifying brain tumors using magnetic resonance imaging (MRI) is crucial for early diagnosis and treatment; however, tumor heterogeneity and a dearth of annotated datasets restrict the use of supervised deep learning approaches. In this…

The growth of abnormal cells in the brain's tissue causes brain tumors. Brain tumors are considered one of the most dangerous disorders in children and adults. It develops quickly, and the patient's survival prospects are slim if not…

In real-world clinical practice, overlooking unanticipated findings can result in serious consequences. However, supervised learning, which is the foundation for the current success of deep learning, only encourages models to identify…