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Current methods for 3D object reconstruction from a set of planar cross-sections still struggle to capture detailed topology or require a considerable number of cross-sections. In this paper, we present, to the best of our knowledge the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Azimkhon Ostonov

We present a new method for 3D shape reconstruction from a single image, in which a deep neural network directly maps an image to a vector of network weights. The network \textcolor{black}{parametrized by} these weights represents a 3D…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Gidi Littwin , Lior Wolf

Deep neural networks (DNNs) trained on large-scale datasets have recently achieved impressive improvements in face recognition. But a persistent challenge remains to develop methods capable of handling large pose variations that are…

Computer Vision and Pattern Recognition · Computer Science 2017-08-17 Xi Peng , Xiang Yu , Kihyuk Sohn , Dimitris Metaxas , Manmohan Chandraker

Modeling scene geometry using implicit neural representation has revealed its advantages in accuracy, flexibility, and low memory usage. Previous approaches have demonstrated impressive results using color or depth images but still have…

Robotics · Computer Science 2023-03-01 Dongyu Yan , Xiaoyang Lyu , Jieqi Shi , Yi Lin

3D face reconstruction is an important task in the field of computer vision. Although 3D face reconstruction has being developing rapidly in recent years, it is still a challenge for face reconstruction under large pose. That is because…

Computer Vision and Pattern Recognition · Computer Science 2018-11-14 Lei Jiang , XiaoJun Wu , Josef Kittler

We present a robust method for estimating the facial pose and shape information from a densely annotated facial image. The method relies on Convolutional Point-set Representation (CPR), a carefully designed matrix representation to…

Computer Vision and Pattern Recognition · Computer Science 2018-04-04 Yuhang Wu , Le Anh Vu Ha , Xiang Xu , Ioannis A. Kakadiaris

Manipulating facial expressions is a challenging task due to fine-grained shape changes produced by facial muscles and the lack of input-output pairs for supervised learning. Unlike previous methods using Generative Adversarial Networks…

Computer Vision and Pattern Recognition · Computer Science 2020-10-01 Rumeysa Bodur , Binod Bhattarai , Tae-Kyun Kim

We present a multi-purpose algorithm for simultaneous face detection, face alignment, pose estimation, gender recognition, smile detection, age estimation and face recognition using a single deep convolutional neural network (CNN). The…

Computer Vision and Pattern Recognition · Computer Science 2016-11-04 Rajeev Ranjan , Swami Sankaranarayanan , Carlos D. Castillo , Rama Chellappa

Three-dimensional (3D) ultrasound (US) aims to provide sonographers with the spatial relationships of anatomical structures, playing a crucial role in clinical diagnosis. Recently, deep-learning-based freehand 3D US has made significant…

Image and Video Processing · Electrical Eng. & Systems 2025-06-23 Mingyuan Luo , Xin Yang , Zhongnuo Yan , Yan Cao , Yuanji Zhang , Xindi Hu , Jin Wang , Haoxuan Ding , Wei Han , Litao Sun , Dong Ni

Nowadays as convolution neural networks demonstrate its powerful problem-solving ability in the area of image processing, efforts have been made to reconstruct detailed face shapes from 2D face images or videos. However, to make the full…

Computer Vision and Pattern Recognition · Computer Science 2026-05-06 Zhangnan Jiang , Zichen Yang

3D face shape is more expressive and viewpoint-consistent than its 2D counterpart. However, 3D facial landmark localization in a single image is challenging due to the ambiguous nature of landmarks under 3D perspective. Existing approaches…

Computer Vision and Pattern Recognition · Computer Science 2018-01-30 Hongwen Zhang , Qi Li , Zhenan Sun

Tomographic image reconstruction is relevant for many medical imaging modalities including X-ray, ultrasound (US) computed tomography (CT) and photoacoustics, for which the access to full angular range tomographic projections might be not…

Image and Video Processing · Electrical Eng. & Systems 2019-06-14 Valery Vishnevskiy , Richard Rau , Orcun Goksel

Joint camera pose and dense geometry estimation from a set of images or a monocular video remains a challenging problem due to its computational complexity and inherent visual ambiguities. Most dense incremental reconstruction systems…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Kirill Mazur , Gwangbin Bae , Andrew J. Davison

We propose a novel couple mappings method for low resolution face recognition using deep convolutional neural networks (DCNNs). The proposed architecture consists of two branches of DCNNs to map the high and low resolution face images into…

Computer Vision and Pattern Recognition · Computer Science 2017-06-21 Erfan Zangeneh , Mohammad Rahmati , Yalda Mohsenzadeh

We propose the Canonical 3D Deformer Map, a new representation of the 3D shape of common object categories that can be learned from a collection of 2D images of independent objects. Our method builds in a novel way on concepts from…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 David Novotny , Roman Shapovalov , Andrea Vedaldi

3D reconstruction is a longstanding ill-posed problem, which has been explored for decades by the computer vision, computer graphics, and machine learning communities. Since 2015, image-based 3D reconstruction using convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2019-11-28 Xian-Feng Han , Hamid Laga , Mohammed Bennamoun

In this paper, we consider the problem of reconstructing a dense 3D model using images captured from different views. Recent methods based on convolutional neural networks (CNN) allow learning the entire task from data. However, they do not…

Computer Vision and Pattern Recognition · Computer Science 2019-01-08 Despoina Paschalidou , Ali Osman Ulusoy , Carolin Schmitt , Luc van Gool , Andreas Geiger

We propose a novel recurrent encoder-decoder network model for real-time video-based face alignment. Our proposed model predicts 2D facial point maps regularized by a regression loss, while uniquely exploiting recurrent learning at both…

Computer Vision and Pattern Recognition · Computer Science 2016-08-24 Xi Peng , Rogerio S. Feris , Xiaoyu Wang , Dimitris N. Metaxas

In this paper, we propose a lightweight and accurate face detection algorithm LAFD (Light and accurate face detection) based on Retinaface. Backbone network in the algorithm is a modified MobileNetV3 network which adjusts the size of the…

Computer Vision and Pattern Recognition · Computer Science 2023-08-09 Baozhu Liu , Hewei Yu

Dense 3D reconstruction has many applications in automated driving including automated annotation validation, multimodal data augmentation, providing ground truth annotations for systems lacking LiDAR, as well as enhancing auto-labeling…

Computer Vision and Pattern Recognition · Computer Science 2024-02-13 Shihao Shen , Louis Kerofsky , Varun Ravi Kumar , Senthil Yogamani