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The topic of facial landmark detection has been widely covered for pictures of human faces, but it is still a challenge for drawings. Indeed, the proportions and symmetry of standard human faces are not always used for comics or mangas. The…

Computer Vision and Pattern Recognition · Computer Science 2018-11-09 Marco Stricker , Olivier Augereau , Koichi Kise , Motoi Iwata

Identifying anatomical landmarks in 3D dental models is essential for orthodontic treatment, yet manual placement is labor-intensive and requires expert knowledge. While machine learning methods have been proposed for automatic landmark…

Computer Vision and Pattern Recognition · Computer Science 2025-09-01 José Rodríguez-Ortega , Francisco Pérez-Hernández , Siham Tabik

Fetal pose estimation in 3D ultrasound (US) involves identifying a set of associated fetal anatomical landmarks. Its primary objective is to provide comprehensive information about the fetus through landmark connections, thus benefiting…

Image and Video Processing · Electrical Eng. & Systems 2023-10-31 Chaoyu Chen , Xin Yang , Yuhao Huang , Wenlong Shi , Yan Cao , Mingyuan Luo , Xindi Hu , Lei Zhue , Lequan Yu , Kejuan Yue , Yuanji Zhang , Yi Xiong , Dong Ni , Weijun Huang

Adequate blood supply is critical for normal brain function. Brain vasculature dysfunctions such as stalled blood flow in cerebral capillaries are associated with cognitive decline and pathogenesis in Alzheimer's disease. Recent advances in…

Image and Video Processing · Electrical Eng. & Systems 2022-02-15 Roman Solovyev , Alexandr A. Kalinin , Tatiana Gabruseva

Tracking the pose of instruments is a central problem in image-guided surgery. For microscopic scenarios, optical coherence tomography (OCT) is increasingly used as an imaging modality. OCT is suitable for accurate pose estimation due to…

Computer Vision and Pattern Recognition · Computer Science 2018-03-28 Nils Gessert , Matthias Schlüter , Alexander Schlaefer

Cerebral Microbleeds (CMBs) are chronic deposits of small blood products in the brain tissues, which have explicit relation to various cerebrovascular diseases depending on their anatomical location, including cognitive decline,…

Image and Video Processing · Electrical Eng. & Systems 2023-06-27 Jun-Ho Kim , Young Noh , Haejoon Lee , Seul Lee , Woo-Ram Kim , Koung Mi Kang , Eung Yeop Kim , Mohammed A. Al-masni , Dong-Hyun Kim

Facial landmark detection has been studied over decades. Numerous neural network (NN)-based approaches have been proposed for detecting landmarks, especially the convolutional neural network (CNN)-based approaches. In general, CNN-based…

Computer Vision and Pattern Recognition · Computer Science 2020-05-19 Chih-Fan Hsu , Chia-Ching Lin , Ting-Yang Hung , Chin-Laung Lei , Kuan-Ta Chen

Automatic and accurate detection of anatomical landmarks is an essential operation in medical image analysis with a multitude of applications. Recent deep learning methods have improved results by directly encoding the appearance of the…

Computer Vision and Pattern Recognition · Computer Science 2021-05-20 Guang-Quan Zhou , Juzheng Miao , Xin Yang , Rui Li , En-Ze Huo , Wenlong Shi , Yuhao Huang , Jikuan Qian , Chaoyu Chen , Dong Ni

Current supervised methods for facial landmark detection require a large amount of training data and may suffer from overfitting to specific datasets due to the massive number of parameters. We introduce a semi-supervised method in which…

Computer Vision and Pattern Recognition · Computer Science 2020-05-22 Bjoern Browatzki , Christian Wallraven

Segmentation of mandibles in CT scans during virtual surgical planning is crucial for 3D surgical planning in order to obtain a detailed surface representation of the patients bone. Automatic segmentation of mandibles in CT scans is a…

Computer Vision and Pattern Recognition · Computer Science 2018-09-19 Bingjiang Qiu , Jiapan Guo , J. Kraeima , R. J. H. Borra , M. J. H. Witjes , P. M. A. van Ooijen

This work studies learning from a synergy process of 3D Morphable Models (3DMM) and 3D facial landmarks to predict complete 3D facial geometry, including 3D alignment, face orientation, and 3D face modeling. Our synergy process leverages a…

Computer Vision and Pattern Recognition · Computer Science 2024-01-18 Cho-Ying Wu , Qiangeng Xu , Ulrich Neumann

Automatic localization and labeling of vertebra in 3D medical images plays an important role in many clinical tasks, including pathological diagnosis, surgical planning and postoperative assessment. However, the unusual conditions of…

Computer Vision and Pattern Recognition · Computer Science 2017-05-18 Dong Yang , Tao Xiong , Daguang Xu , Qiangui Huang , David Liu , S. Kevin Zhou , Zhoubing Xu , JinHyeong Park , Mingqing Chen , Trac D. Tran , Sang Peter Chin , Dimitris Metaxas , Dorin Comaniciu

Face alignment, which fits a face model to an image and extracts the semantic meanings of facial pixels, has been an important topic in CV community. However, most algorithms are designed for faces in small to medium poses (below 45…

Computer Vision and Pattern Recognition · Computer Science 2018-04-03 Xiangyu Zhu , Zhen Lei , Xiaoming Liu , Hailin Shi , Stan Z. Li

CNNs, initially inspired by human vision, differ in a key way: they sample uniformly, rather than with highest density in a focal point. For very large images, this makes training untenable, as the memory and computation required for…

Computer Vision and Pattern Recognition · Computer Science 2020-08-12 Logan Gilmour , Nilanjan Ray

Purpose: Ultrasound (US) imaging, while advantageous for its radiation-free nature, is challenging to interpret due to only partially visible organs and a lack of complete 3D information. While performing US-based diagnosis or…

Image and Video Processing · Electrical Eng. & Systems 2024-04-12 Miruna-Alexandra Gafencu , Yordanka Velikova , Mahdi Saleh , Tamas Ungi , Nassir Navab , Thomas Wendler , Mohammad Farid Azampour

An efficient, fully automatic method for 3D face shape and pose estimation in unconstrained 2D imagery is presented. The proposed method jointly estimates a dense set of 3D landmarks and facial geometry using a single pass of a modified…

Computer Vision and Pattern Recognition · Computer Science 2017-08-31 Daniel Crispell , Maxim Bazik

3D human pose estimation is a key component of clinical monitoring systems. The clinical applicability of deep pose estimation models, however, is limited by their poor generalization under domain shifts along with their need for sufficient…

Computer Vision and Pattern Recognition · Computer Science 2023-07-21 Alexander Bigalke , Lasse Hansen , Jasper Diesel , Carlotta Hennigs , Philipp Rostalski , Mattias P. Heinrich

Lacunes of presumed vascular origin (lacunes) are associated with an increased risk of stroke, gait impairment, and dementia and are a primary imaging feature of the small vessel disease. Quantification of lacunes may be of great importance…

There is an increasing demand in medical industries to have automated systems for detection and localization which are manually inefficient otherwise. In dentistry, it bears great interest to trace the pathway of mandibular canals…

Computer Vision and Pattern Recognition · Computer Science 2021-12-01 Mrinal Kanti Dhar , Zeyun Yu

This paper presents a novel approach for generating 3D talking heads from raw audio inputs. Our method grounds on the idea that speech related movements can be comprehensively and efficiently described by the motion of a few control points…

Computer Vision and Pattern Recognition · Computer Science 2023-07-27 Federico Nocentini , Claudio Ferrari , Stefano Berretti