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Brain tumor segmentation is important for diagnosis of the tumor, and current deep-learning methods rely on a large set of annotated images for training, with high annotation costs. Unsupervised segmentation is promising to avoid human…

Computer Vision and Pattern Recognition · Computer Science 2025-01-28 Xiaochuan Ma , Jia Fu , Wenjun Liao , Shichuan Zhang , Guotai Wang

In this paper, we examine 3 important issues in the practical use of state-of-the-art facial landmark detectors and show how a combination of specific architectural modifications can directly improve their accuracy and temporal stability.…

Computer Vision and Pattern Recognition · Computer Science 2024-05-31 Prashanth Chandran , Gaspard Zoss , Paulo Gotardo , Derek Bradley

Registration of partial-view 3D US volumes with MRI data is influenced by initialization. The standard of practice is using extrinsic or intrinsic landmarks, which can be very tedious to obtain. To overcome the limitations of registration…

Image and Video Processing · Electrical Eng. & Systems 2018-06-13 Julia Rackerseder , Maximilian Baust , Rüdiger Göbl , Nassir Navab , Christoph Hennersperger

Visibility analysis in urban planning has traditionally relied on line-of-sight (LoS) simulations, which capture geometric occlusion. However, these approaches depend on accurate 3D data that is often unavailable and may not adequately…

Computer Vision and Pattern Recognition · Computer Science 2026-05-15 Zicheng Fan , Kunihiko Fujiwara , Pengyuan Liu , Fan Zhang , Filip Biljecki

As the quality of few shot facial animation from landmarks increases, new applications become possible, such as ultra low bandwidth video chat compression with a high degree of realism. However, there are some important challenges to tackle…

Computer Vision and Pattern Recognition · Computer Science 2022-03-17 Maxime Oquab , Daniel Haziza , Ludovic Schwartz , Tao Xu , Katayoun Zand , Rui Wang , Peirong Liu , Camille Couprie

Visual place recognition tasks often encounter significant challenges in landmark detection due to the presence of irrelevant objects such as humans, cars, and trees, despite the remarkable progress achieved by previous models, especially…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Mohammad Javad Rajabi , Morteza Mirzai , Ahmad Nickabadi

Glioma is the most common and aggressive brain tumor. Magnetic resonance imaging (MRI) plays a vital role to evaluate tumors for the arrangement of tumor surgery and the treatment of subsequent procedures. However, the manual segmentation…

Image and Video Processing · Electrical Eng. & Systems 2022-03-23 Wenbo Zhang , Guang Yang , He Huang , Weiji Yang , Xiaomei Xu , Yongkai Liu , Xiaobo Lai

Interpreting complex deep networks, notably pre-trained vision-language models (VLMs), is a formidable challenge. Current Class Activation Map (CAM) methods highlight regions revealing the model's decision-making basis but lack clear…

Computer Vision and Pattern Recognition · Computer Science 2024-05-30 Yuguang Yang , Runtang Guo , Sheng Wu , Yimi Wang , Linlin Yang , Bo Fan , Jilong Zhong , Juan Zhang , Baochang Zhang

Brain tumors are serious health problems that require early diagnosis due to their high mortality rates. Diagnosing tumors by examining Magnetic Resonance Imaging (MRI) images is a process that requires expertise and is prone to error.…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Mustafa Yurdakul , Şakir Taşdemir

Facial landmark detection is a widely researched field of deep learning as this has a wide range of applications in many fields. These key points are distinguishing characteristic points on the face, such as the eyes center, the eye's inner…

Computer Vision and Pattern Recognition · Computer Science 2022-05-17 Prathima Dileep , Bharath Kumar Bolla , Sabeesh Ethiraj

Current medical vision-language models (VLMs) process volumetric brain MRI using 2D slice-based approximations, fragmenting the spatial context required for accurate neuroradiological interpretation. We developed \textbf{Brain3D}, a staged…

Computer Vision and Pattern Recognition · Computer Science 2026-02-26 Mariano Barone , Francesco Di Serio , Giuseppe Riccio , Antonio Romano , Marco Postiglione , Antonino Ferraro , Vincenzo Moscato

Brain imaging of mental health, neurodevelopmental and learning disorders has coupled with machine learning to identify patients based only on their brain activation, and ultimately identify features that generalize from smaller samples of…

Image and Video Processing · Electrical Eng. & Systems 2020-07-21 Laura Tomaz Da Silva , Nathalia Bianchini Esper , Duncan D. Ruiz , Felipe Meneguzzi , Augusto Buchweitz

Brain lesion volume measured on T2 weighted MRI images is a clinically important disease marker in multiple sclerosis (MS). Manual delineation of MS lesions is a time-consuming and highly operator-dependent task, which is influenced by…

Image and Video Processing · Electrical Eng. & Systems 2023-11-28 Hang Zhang , Jinwei Zhang , Qihao Zhang , Jeremy Kim , Shun Zhang , Susan A. Gauthier , Pascal Spincemaille , Thanh D. Nguyen , Mert R. Sabuncu , Yi Wang

Deep learning for medical image classification faces three major challenges: 1) the number of annotated medical images for training are usually small; 2) regions of interest (ROIs) are relatively small with unclear boundaries in the whole…

Computer Vision and Pattern Recognition · Computer Science 2019-10-23 Shaohua Li , Yong Liu , Xiuchao Sui , Cheng Chen , Gabriel Tjio , Daniel Shu Wei Ting , Rick Siow Mong Goh

Neuroanatomical segmentation in magnetic resonance imaging (MRI) of the brain is a prerequisite for volume, thickness and shape measurements. This work introduces a new highly accurate and versatile method based on 3D convolutional neural…

Quantitative Methods · Quantitative Biology 2019-02-07 Philip Novosad , Vladimir Fonov , D. Louis Collins

Visual localization is of great importance in robotics and computer vision. Recently, scene coordinate regression based methods have shown good performance in visual localization in small static scenes. However, it still estimates camera…

Computer Vision and Pattern Recognition · Computer Science 2021-05-25 Zhaoyang Huang , Han Zhou , Yijin Li , Bangbang Yang , Yan Xu , Xiaowei Zhou , Hujun Bao , Guofeng Zhang , Hongsheng Li

Visualizing and interpreting convolutional neural networks (CNNs) is an important task to increase trust in automatic medical decision making systems. In this study, we train a 3D CNN to detect Alzheimer's disease based on structural MRI…

Computer Vision and Pattern Recognition · Computer Science 2018-12-07 Johannes Rieke , Fabian Eitel , Martin Weygandt , John-Dylan Haynes , Kerstin Ritter

In this paper a deep learning architecture is presented that can, in real time, detect the 2D locations of certain landmarks of physical tools, such as a hammer or screwdriver. To avoid the labor of manual labeling, the network is trained…

Computer Vision and Pattern Recognition · Computer Science 2022-10-24 Bram Vanherle , Jeroen Put , Nick Michiels , Frank Van Reeth

Real-world settings often do not allow acquisition of high-resolution volumetric images for accurate morphological assessment and diagnostic. In clinical practice it is frequently common to acquire only sparse data (e.g. individual slices)…

Image and Video Processing · Electrical Eng. & Systems 2019-08-30 Benjamin Hou , Athanasios Vlontzos , Amir Alansary , Daniel Rueckert , Bernhard Kainz

In recent years, significant progress has been made in the research of facial landmark detection. However, few prior works have thoroughly discussed about models for practical applications. Instead, they often focus on improving a couple of…

Computer Vision and Pattern Recognition · Computer Science 2021-06-03 Haibo Jin , Jinpeng Li , Shengcai Liao , Ling Shao