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In real-world applications, perfect labels are rarely available, making it challenging to develop robust machine learning algorithms that can handle noisy labels. Recent methods have focused on filtering noise based on the discrepancy…

Machine Learning · Computer Science 2023-08-01 Mingcai Chen , Yuntao Du , Wei Tang , Baoming Zhang , Hao Cheng , Shuwei Qian , Chongjun Wang

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

Recent years have witnessed significant growth of face alignment. Though dense facial landmark is highly demanded in various scenarios, e.g., cosmetic medicine and facial beautification, most works only consider sparse face alignment. To…

Computer Vision and Pattern Recognition · Computer Science 2025-06-30 Yangyu Huang , Xi Chen , Jongyoo Kim , Hao Yang , Chong Li , Jiaolong Yang , Dong Chen

Unsupervised landmarks discovery (ULD) for an object category is a challenging computer vision problem. In pursuit of developing a robust ULD framework, we explore the potential of a recent paradigm of self-supervised learning algorithms,…

Computer Vision and Pattern Recognition · Computer Science 2024-03-26 Siddharth Tourani , Ahmed Alwheibi , Arif Mahmood , Muhammad Haris Khan

A Neural Network-based method for unsupervised landmarks map estimation from measurements taken from landmarks is introduced. The measurements needed for training the network are the signals observed/received from landmarks by an agent. The…

Machine Learning · Computer Science 2020-01-30 Alireza Razavi

A deep neural network based cephalometric landmark identification model is proposed. Two neural networks, named patch classification and point estimation, are trained by multi-scale image patches cropped from 935 Cephalograms (of Japanese…

Image and Video Processing · Electrical Eng. & Systems 2019-06-10 Chonho Lee , Chihiro Tanikawa , Jae-Yeon Lim , Takashi Yamashiro

Automotive self-localization is an essential task for any automated driving function. This means that the vehicle has to reliably know its position and orientation with an accuracy of a few centimeters and degrees, respectively. This paper…

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

This paper proposes a method for learning continuous control policies for active landmark localization and exploration using an information-theoretic cost. We consider a mobile robot detecting landmarks within a limited sensing range, and…

Robotics · Computer Science 2023-05-18 Pengzhi Yang , Yuhan Liu , Shumon Koga , Arash Asgharivaskasi , Nikolay Atanasov

Visible face recognition systems achieve nearly perfect recognition accuracies using deep learning. However, in lack of light, these systems perform poorly. A way to deal with this problem is thermal to visible cross-domain face matching.…

Computer Vision and Pattern Recognition · Computer Science 2020-02-12 Alperen Kantarcı , Hazım Kemal Ekenel

Multi-face alignment aims to identify geometry structures of multiple faces in an image, and its performance is essential for the many practical tasks, such as face recognition, face tracking, and face animation. In this work, we present a…

Computer Vision and Pattern Recognition · Computer Science 2019-05-16 Yuxiang Wu , Zehua Cheng , Bin Huang , Yiming Chen , Xinghui Zhu , Weiyang Wang

Image landmark detection aims to automatically identify the locations of predefined fiducial points. Despite recent success in this field, higher-ordered structural modeling to capture implicit or explicit relationships among anatomical…

Computer Vision and Pattern Recognition · Computer Science 2020-12-09 Weijian Li , Yuhang Lu , Kang Zheng , Haofu Liao , Chihung Lin , Jiebo Luo , Chi-Tung Cheng , Jing Xiao , Le Lu , Chang-Fu Kuo , Shun Miao

Approaches to goal recognition have progressively relaxed the requirements about the amount of domain knowledge and available observations, yielding accurate and efficient algorithms capable of recognizing goals. However, to recognize goals…

Artificial Intelligence · Computer Science 2018-08-22 Leonardo Amado , João Paulo Aires , Ramon Fraga Pereira , Maurício C. Magnaguagno , Roger Granada , Felipe Meneguzzi

Mitral valve repair is a surgery to restore the function of the mitral valve. To achieve this, a prosthetic ring is sewed onto the mitral annulus. Analyzing the sutures, which are punctured through the annulus for ring implantation, can be…

Computer Vision and Pattern Recognition · Computer Science 2021-01-11 Antonia Stern , Lalith Sharan , Gabriele Romano , Sven Koehler , Matthias Karck , Raffaele De Simone , Ivo Wolf , Sandy Engelhardt

Predicting where people can walk in a scene is important for many tasks, including autonomous driving systems and human behavior analysis. Yet learning a computational model for this purpose is challenging due to semantic ambiguity and a…

Computer Vision and Pattern Recognition · Computer Science 2020-08-21 Jin Sun , Hadar Averbuch-Elor , Qianqian Wang , Noah Snavely

Re-ranking is the second stage of a visual place recognition task, in which the system chooses the best-matching images from a pre-selected subset of candidates. Model-free approaches compute the image pair similarity based on a spatial…

Computer Vision and Pattern Recognition · Computer Science 2024-10-28 Tomáš Pivoňka , Libor Přeučil

In 3D point cloud-based visual self-localization, pole landmarks have a great potential as landmarks for accurate and reliable localization due to their long-term stability under seasonal and weather changes. In this study, we aim to…

Computer Vision and Pattern Recognition · Computer Science 2023-05-12 Sun Yifei , Li Dingrui , Ye Minying , Tanaka Kanji

In this work, we present a practical approach to the problem of facial landmark detection. The proposed method can deal with large shape and appearance variations under the rich shape deformation. To handle the shape variations we equip our…

Computer Vision and Pattern Recognition · Computer Science 2020-01-10 Seyed Mehdi Iranmanesh , Ali Dabouei , Sobhan Soleymani , Hadi Kazemi , Nasser M. Nasrabadi

This paper presents the 2nd place solution to the Google Landmark Retrieval 2021 Competition on Kaggle. The solution is based on a baseline with training tricks from person re-identification, a continent-aware sampling strategy is presented…

Computer Vision and Pattern Recognition · Computer Science 2021-10-11 Zhang Yuqi , Xu Xianzhe , Chen Weihua , Wang Yaohua , Zhang Fangyi , Wang Fan , Li Hao

Recently, facial landmark detection algorithms have achieved remarkable performance on static images. However, these algorithms are neither accurate nor stable in motion-blurred videos. The missing of structure information makes it…

Computer Vision and Pattern Recognition · Computer Science 2019-10-29 Keqiang Sun , Wayne Wu , Tinghao Liu , Shuo Yang , Quan Wang , Qiang Zhou , Zuochang Ye , Chen Qian