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We propose a general purpose approach to detect landmarks with improved temporal consistency, and personalization. Most sparse landmark detection methods rely on laborious, manually labelled landmarks, where inconsistency in annotations…

计算机视觉与模式识别 · 计算机科学 2021-04-12 David Ferman , Gaurav Bharaj

Automatic tooth segmentation and identification from intra-oral scanned 3D models are fundamental problems in digital dentistry, yet most existing approaches rely on task-specific 3D neural networks trained with densely annotated datasets,…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Shaojie Zhuang , Lu Yin , Guangshun Wei , Yunpeng Li , Xilu Wang , Yuanfeng Zhou

An ability to generalize unconstrained conditions such as severe occlusions and large pose variations remains a challenging goal to achieve in face alignment. In this paper, a multistage model based on deep neural networks is proposed which…

计算机视觉与模式识别 · 计算机科学 2020-02-05 Huabin Wang , Rui Cheng , Jian Zhou , Liang Tao , Hon Keung Kwan

A Point Distribution Model (PDM) is the basis of a Statistical Shape Model (SSM) that relies on a set of landmark points to represent a shape and characterize the shape variation. In this work, we present a self-supervised approach to…

计算机视觉与模式识别 · 计算机科学 2023-08-10 Chun-Hung Chao , Marc Niethammer

Orthodontic treatment hinges on tooth alignment, which significantly affects occlusal function, facial aesthetics, and patients' quality of life. Current deep learning approaches predominantly concentrate on predicting transformation…

计算机视觉与模式识别 · 计算机科学 2025-08-07 Yunbi Liu , Enqi Tang , Shiyu Li , Lei Ma , Juncheng Li , Shu Lou , Yongchu Pan , Qingshan Liu

Accurate detection and segmentation of anatomical structures from ultrasound images are crucial for clinical diagnosis and biometric measurements. Although ultrasound imaging has been widely used with superiorities such as low cost and…

计算机视觉与模式识别 · 计算机科学 2016-07-08 Hao Chen , Yefeng Zheng , Jin-Hyeong Park , Pheng-Ann Heng , S. Kevin Zhou

The various speech sounds of a language are obtained by varying the shape and position of the articulators surrounding the vocal tract. Analyzing their variations is crucial for understanding speech production, diagnosing speech disorders…

图像与视频处理 · 电气工程与系统科学 2020-02-04 Mohammad Eslami , Christiane Neuschaefer-Rube , Antoine Serrurier

As the most economical and routine auxiliary examination in the diagnosis of root canal treatment, oral X-ray has been widely used by stomatologists. It is still challenging to segment the tooth root with a blurry boundary for the…

计算机视觉与模式识别 · 计算机科学 2021-06-01 Yunxiang Li , Yifan Zhang , Yaqi Wang , Shuai Wang , Ruizi Peng , Kai Tang , Qianni Zhang , Jun Wang , Qun Jin , Lingling Sun

In order to study the application of artificial intelligence (AI) to dental imaging, we applied AI technology to classify a set of panoramic radiographs using (a) a convolutional neural network (CNN) which is a form of an artificial neural…

机器学习 · 统计学 2016-12-05 Young-jun Yu

The accurate identification and precise localization of cephalometric landmarks enable the classification and quantification of anatomical abnormalities. The traditional way of marking cephalometric landmarks on lateral cephalograms is a…

图像与视频处理 · 电气工程与系统科学 2023-02-16 Muhammad Anwaar Khalid , Kanwal Zulfiqar , Ulfat Bashir , Areeba Shaheen , Rida Iqbal , Zarnab Rizwan , Ghina Rizwan , Muhammad Moazam Fraz

Deep learning-based 3D human pose estimation performs best when trained on large amounts of labeled data, making combined learning from many datasets an important research direction. One obstacle to this endeavor are the different skeleton…

计算机视觉与模式识别 · 计算机科学 2023-01-02 István Sárándi , Alexander Hermans , Bastian Leibe

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

Manual tooth segmentation of 3D tooth meshes is tedious and there is variations among dentists. %Manual tooth annotation of 3D tooth meshes is a tedious task. Several deep learning based methods have been proposed to perform automatic tooth…

计算机视觉与模式识别 · 计算机科学 2023-01-26 Ananya Jana , Hrebesh Molly Subhash , Dimitris N. Metaxas

We propose a novel facial Anchors and Contours Estimation framework, ACE-Net, for fine-level face alignment tasks. ACE-Net predicts facial anchors and contours that are richer than traditional facial landmarks while overcoming ambiguities…

计算机视觉与模式识别 · 计算机科学 2022-01-11 Jihua Huang , Amir Tamrakar

Witnessed the development of deep learning in recent years, increasing number of researches try to adopt deep learning model for medical image analysis. However, the usage of deep learning networks for the pathological image analysis…

计算机视觉与模式识别 · 计算机科学 2018-07-09 Yuexiang Li , Xinpeng Xie , Linlin Shen , Shaoxiong Liu

For speech research, ultrasound tongue imaging provides a non-invasive means for visualizing tongue position and movement during articulation. Extracting tongue contours from ultrasound images is a basic step in analyzing ultrasound data…

图像与视频处理 · 电气工程与系统科学 2019-07-25 Jian Zhu , Will Styler , Ian Calloway

This paper introduces the point-axis representation for oriented object detection, emphasizing its flexibility and geometrically intuitive nature with two key components: points and axes. 1) Points delineate the spatial extent and contours…

计算机视觉与模式识别 · 计算机科学 2024-07-12 Zeyang Zhao , Qilong Xue , Yuhang He , Yifan Bai , Xing Wei , Yihong Gong

We present a minimalistic but effective neural network that computes dense facial correspondences in highly unconstrained RGB images. Our network learns a per-pixel flow and a matchability mask between 2D input photographs of a person and…

计算机视觉与模式识别 · 计算机科学 2017-09-05 Ronald Yu , Shunsuke Saito , Haoxiang Li , Duygu Ceylan , Hao Li

Individual tooth segmentation from cone beam computed tomography (CBCT) images is an essential prerequisite for an anatomical understanding of orthodontic structures in several applications, such as tooth reformation planning and implant…

计算机视觉与模式识别 · 计算机科学 2021-01-26 Minyoung Chung , Minkyung Lee , Jioh Hong , Sanguk Park , Jusang Lee , Jingyu Lee , Jeongjin Lee , Yeong-Gil Shin

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…

计算机视觉与模式识别 · 计算机科学 2024-11-05 Karel Kleisner , Jaroslav Trnka , Petr Turecek