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The rapid increase in the availability of accurate 3D scanning devices has moved facial recognition and analysis into the 3D domain. 3D facial landmarks are often used as a simple measure of anatomy and it is crucial to have accurate…

计算机视觉与模式识别 · 计算机科学 2019-10-15 Rasmus R. Paulsen , Kristine Aavild Juhl , Thilde Marie Haspang , Thomas Hansen , Melanie Ganz , Gudmundur Einarsson

Convolutional neural networks (CNNs) have been the de facto standard in a diverse set of computer vision tasks for many years. Especially, deep neural networks based on seminal architectures such as U-shaped models with skip-connections or…

图像与视频处理 · 电气工程与系统科学 2022-08-02 Reza Azad , Moein Heidari , Moein Shariatnia , Ehsan Khodapanah Aghdam , Sanaz Karimijafarbigloo , Ehsan Adeli , Dorit Merhof

Convolutional Neural Network (CNN) has been successfully applied on classification of both natural images and medical images but not yet been applied to differentiating patients with schizophrenia from healthy controls. Given the subtle,…

计算机视觉与模式识别 · 计算机科学 2020-03-20 Mengjiao Hu , Kang Sim , Juan Helen Zhou , Xudong Jiang , Cuntai Guan

We present a novel convolutional neural network (CNN) design for facial landmark coordinate regression. We examine the intermediate features of a standard CNN trained for landmark detection and show that features extracted from later, more…

计算机视觉与模式识别 · 计算机科学 2016-03-23 Yue Wu , Tal Hassner , KangGeon Kim , Gerard Medioni , Prem Natarajan

Two approaches are proposed for cross-pose face recognition, one is based on the 3D reconstruction of facial components and the other is based on the deep Convolutional Neural Network (CNN). Unlike most 3D approaches that consider holistic…

计算机视觉与模式识别 · 计算机科学 2017-09-01 Gee-Sern , Hsu , Hung-Cheng Shie , Cheng-Hua Hsieh

We show how a simple convolutional neural network (CNN) can be trained to accurately and robustly regress 6 degrees of freedom (6DoF) 3D head pose, directly from image intensities. We further explain how this FacePoseNet (FPN) can be used…

计算机视觉与模式识别 · 计算机科学 2017-09-04 Fengju Chang , Anh Tuan Tran , Tal Hassner , Iacopo Masi , Ram Nevatia , Gerard Medioni

Statistical shape modeling is an important tool to characterize variation in anatomical morphology. Typical shapes of interest are measured using 3D imaging and a subsequent pipeline of registration, segmentation, and some extraction of…

计算机视觉与模式识别 · 计算机科学 2018-10-02 Riddhish Bhalodia , Shireen Y. Elhabian , Ladislav Kavan , Ross T. Whitaker

Top-performing landmark estimation algorithms are based on exploiting the excellent ability of large convolutional neural networks (CNNs) to represent local appearance. However, it is well known that they can only learn weak spatial…

计算机视觉与模式识别 · 计算机科学 2022-10-14 Andrés Prados-Torreblanca , José M. Buenaposada , Luis Baumela

The rapid development in representation learning techniques such as deep neural networks and the availability of large-scale, well-annotated medical imaging datasets have to a rapid increase in the use of supervised machine learning in the…

计算机视觉与模式识别 · 计算机科学 2023-04-19 Dat T. Ngo , Thao T. B. Nguyen , Hieu T. Nguyen , Dung B. Nguyen , Ha Q. Nguyen , Hieu H. Pham

Marking anatomical landmarks in cephalometric radiography is a critical operation in cephalometric analysis. Automatically and accurately locating these landmarks is a challenging issue because different landmarks require different levels…

计算机视觉与模式识别 · 计算机科学 2019-08-26 Runnan Chen , Yuexin Ma , Nenglun Chen , Daniel Lee , Wenping Wang

In this paper, we present a Convolutional Neural Network (CNN) regression approach for real-time 2-D/3-D registration. Different from optimization-based methods, which iteratively optimize the transformation parameters over a scalar-valued…

计算机视觉与模式识别 · 计算机科学 2016-04-26 Shun Miao , Z. Jane Wang , Rui Liao

Seizure prediction has attracted a growing attention as one of the most challenging predictive data analysis efforts in order to improve the life of patients living with drug-resistant epilepsy and tonic seizures. Many outstanding works…

计算机视觉与模式识别 · 计算机科学 2017-12-07 Nhan Duy Truong , Anh Duy Nguyen , Levin Kuhlmann , Mohammad Reza Bonyadi , Jiawei Yang , Omid Kavehei

Accurate localization of cephalometric landmarks from 2D lateral skull X-rays is vital for orthodontic diagnosis and treatment. Manual annotation is time-consuming and error-prone, whereas automated approaches often struggle with low…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Ahmed Jaheen , Islam Hassan , Mohanad Abouserie , Abdelaty Rehab , Adham Elasfar , Knzy Elmasry , Mostafa El-Dawlatly , Seif Eldawlatly

3D face reconstruction is a fundamental Computer Vision problem of extraordinary difficulty. Current systems often assume the availability of multiple facial images (sometimes from the same subject) as input, and must address a number of…

计算机视觉与模式识别 · 计算机科学 2017-09-11 Aaron S. Jackson , Adrian Bulat , Vasileios Argyriou , Georgios Tzimiropoulos

We describe a deep learning based method for estimating 3D facial expression coefficients. Unlike previous work, our process does not relay on facial landmark detection methods as a proxy step. Recent methods have shown that a CNN can be…

计算机视觉与模式识别 · 计算机科学 2018-02-05 Feng-Ju Chang , Anh Tuan Tran , Tal Hassner , Iacopo Masi , Ram Nevatia , Gerard Medioni

Deep learning for regression tasks on medical imaging data has shown promising results. However, compared to other approaches, their power is strongly linked to the dataset size. In this study, we evaluate 3D-convolutional neural networks…

计算机视觉与模式识别 · 计算机科学 2018-11-13 Yannick Suter , Alain Jungo , Michael Rebsamen , Urspeter Knecht , Evelyn Herrmann , Roland Wiest , Mauricio Reyes

Anatomical landmark localization is gaining attention to ease the burden on physicians. Focusing on aortic root landmark localization, the three hinge points of the aortic valve can reduce the burden by automatically determining the valve…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Tsuyoshi Ishizone , Masaki Miyasaka , Sae Ochi , Norio Tada , Kazuyuki Nakamura

We present an efficient neural network method for locating anatomical landmarks in 3D medical CT scans, using atlas location autocontext in order to learn long-range spatial context. Location predictions are made by regression to Gaussian…

Recent radiomic studies have witnessed promising performance of deep learning techniques in learning radiomic features and fusing multimodal imaging data. Most existing deep learning based radiomic studies build predictive models in a…

计算机视觉与模式识别 · 计算机科学 2019-01-08 Hongming Li , Pamela Boimel , James Janopaul-Naylor , Haoyu Zhong , Ying Xiao , Edgar Ben-Josef , Yong Fan

Convolutional neural networks (CNNs) have achieved state-of-the-art performance for automatic medical image segmentation. However, they have not demonstrated sufficiently accurate and robust results for clinical use. In addition, they are…