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Caricature is an artistic abstraction of the human face by distorting or exaggerating certain facial features, while still retains a likeness with the given face. Due to the large diversity of geometric and texture variations, automatic…

Computer Vision and Pattern Recognition · Computer Science 2021-03-09 Hongrui Cai , Yudong Guo , Zhuang Peng , Juyong Zhang

We present InfoVAE-Med3D, a latent-representation learning approach for 3D brain MRI that targets interpretable biomarkers of cognitive decline. Standard statistical models and shallow machine learning often lack power, while most deep…

The accurate localization of facial landmarks is at the core of face analysis tasks, such as face recognition and facial expression analysis, to name a few. In this work, we propose a novel localization approach based on a deep learning…

Computer Vision and Pattern Recognition · Computer Science 2021-07-21 Shahar Mahpod , Rig Das , Emanuele Maiorana , Yosi Keller , Patrizio Campisi

Landmark digitization is essential in geometric morphometrics, enabling the quantification of biological shapes, such as facial structures, for in-depth morphological analysis. Traditional landmarking, which identifies specific anatomical…

Computer Vision and Pattern Recognition · Computer Science 2024-11-05 Karel Kleisner , Jaroslav Trnka , Petr Turecek

In this paper, we propose to detect facial action units (AU) using 3D facial landmarks. Specifically, we train a 2D convolutional neural network (CNN) on 3D facial landmarks, tracked using a shape index-based statistical shape model, for…

Computer Vision and Pattern Recognition · Computer Science 2020-05-19 Saurabh Hinduja , Shaun Canavan

Accurate segmentation of mandibular canals in lower jaws is important in dental implantology. Medical experts determine the implant position and dimensions manually from 3D CT images to avoid damaging the mandibular nerve inside the canal.…

Image and Video Processing · Electrical Eng. & Systems 2022-11-03 Azka Rehman , Muhammad Usman , Rabeea Jawaid , Amal Muhammad Saleem , Shi Sub Byon , Sung Hyun Kim , Byoung Dai Lee , Byung il Lee , Yeong Gil Shin

3D ultrasound (US) can facilitate detailed prenatal examinations for fetal growth monitoring. To analyze a 3D US volume, it is fundamental to identify anatomical landmarks of the evaluated organs accurately. Typical deep learning methods…

Computer Vision and Pattern Recognition · Computer Science 2020-04-02 Chaoyu Chen , Xin Yang , Ruobing Huang , Wenlong Shi , Shengfeng Liu , Mingrong Lin , Yuhao Huang , Yong Yang , Yuanji Zhang , Huanjia Luo , Yankai Huang , Yi Xiong , Dong Ni

This paper presents a new 3D point cloud classification benchmark data set with over four billion manually labelled points, meant as input for data-hungry (deep) learning methods. We also discuss first submissions to the benchmark that use…

Computer Vision and Pattern Recognition · Computer Science 2017-04-13 Timo Hackel , Nikolay Savinov , Lubor Ladicky , Jan D. Wegner , Konrad Schindler , Marc Pollefeys

Recently, there is an increasing demand for automatically detecting anatomical landmarks which provide rich structural information to facilitate subsequent medical image analysis. Current methods related to this task often leverage the…

Computer Vision and Pattern Recognition · Computer Science 2020-09-30 Zeyu Fu , Jianbo Jiao , Michael Suttie , J. Alison Noble

Ear consists of the smallest bones in the human body and does not contain significant amount of distinct landmark points that may be used to register a preoperative CT-scan with the surgical video in an augmented reality framework. Learning…

Image and Video Processing · Electrical Eng. & Systems 2019-09-05 Raabid Hussain , Alain Lalande , Kibrom Berihu Girum , Caroline Guigou , Alexis Bozorg Grayeli

Identifying specific anatomical structures (\textit{e.g.}, lesions or landmarks) in medical images plays a fundamental role in medical image analysis. Exemplar-based landmark detection methods are receiving increasing attention since they…

Computer Vision and Pattern Recognition · Computer Science 2024-01-19 Xiaoyu Bai , Fan Bai , Xiaofei Huo , Jia Ge , Jingjing Lu , Xianghua Ye , Ke Yan , Yong Xia

Accurate identification of anatomical landmarks is crucial for various medical applications. Traditional manual landmarking is time-consuming and prone to inter-observer variability, while rule-based methods are often tailored to specific…

Homologous anatomical landmarks between medical scans are instrumental in quantitative assessment of image registration quality in various clinical applications, such as MRI-ultrasound registration for tissue shift correction in…

Computer Vision and Pattern Recognition · Computer Science 2023-07-28 Soorena Salari , Amirhossein Rasoulian , Hassan Rivaz , Yiming Xiao

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…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Andrés Prados-Torreblanca , José M. Buenaposada , Luis Baumela

We propose a novel cascaded framework, namely deep deformation network (DDN), for localizing landmarks in non-rigid objects. The hallmarks of DDN are its incorporation of geometric constraints within a convolutional neural network (CNN)…

Computer Vision and Pattern Recognition · Computer Science 2016-07-26 Xiang Yu , Feng Zhou , Manmohan Chandraker

Cascaded regression has been recently applied to reconstructing 3D faces from single 2D images directly in shape space, and achieved state-of-the-art performance. This paper investigates thoroughly such cascaded regression based 3D face…

Computer Vision and Pattern Recognition · Computer Science 2017-04-19 Feng Liu , Dan Zeng , Jing Li , Qijun Zhao

Statistical analysis of magnetic resonance imaging (MRI) can help radiologists to detect pathologies that are otherwise likely to be missed. Deep learning (DL) has shown promise in modeling complex spatial data for brain anomaly detection.…

Computer Vision and Pattern Recognition · Computer Science 2020-11-26 Victor Saase , Holger Wenz , Thomas Ganslandt , Christoph Groden , Máté E. Maros

Teeth landmark detection is a key task in modern orthodontics, supporting advanced diagnosis, personalized treatment planning, and effective monitoring of treatment progress. However, several significant challenges may arise due to the…

Landmark localization is an important first step towards geometric based vision research including subject identification. Considering this, we propose to use 3D facial landmarks for the task of subject identification, over a range of…

Computer Vision and Pattern Recognition · Computer Science 2020-05-19 Sk Rahatul Jannat , Diego Fabiano , Shaun Canavan , Tempestt Neal

This paper proposes a CNN cascade for semantic part segmentation guided by pose-specific information encoded in terms of a set of landmarks (or keypoints). There is large amount of prior work on each of these tasks separately, yet, to the…

Computer Vision and Pattern Recognition · Computer Science 2016-10-03 Aaron Jackson , Michel Valstar , Georgios Tzimiropoulos
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