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Near-range portrait photographs often contain perspective distortion artifacts that bias human perception and challenge both facial recognition and reconstruction techniques. We present the first deep learning based approach to remove such…

Computer Vision and Pattern Recognition · Computer Science 2019-05-21 Yajie Zhao , Zeng Huang , Tianye Li , Weikai Chen , Chloe LeGendre , Xinglei Ren , Jun Xing , Ari Shapiro , Hao Li

We propose a semi-supervised network for wide-angle portraits correction. Wide-angle images often suffer from skew and distortion affected by perspective distortion, especially noticeable at the face regions. Previous deep learning based…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Fushun Zhu , Shan Zhao , Peng Wang , Hao Wang , Hua Yan , Shuaicheng Liu

Rectifying the orientation of images represents a daily task for every photographer. This task may be complicated even for the human eye, especially when the horizon or other horizontal and vertical lines in the image are missing. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-05-13 Ionut Mironica , Andrei Zugravu

Wide field-of-view (FOV) cameras, which capture a larger scene area than narrow FOV cameras, are used in many applications including 3D reconstruction, autonomous driving, and video surveillance. However, wide-angle images contain…

Computer Vision and Pattern Recognition · Computer Science 2021-12-02 Jinlong Fan , Jing Zhang , Stephen J. Maybank , Dacheng Tao

General image completion and extrapolation methods often fail on portrait images where parts of the human body need to be recovered - a task that requires accurate human body structure and appearance synthesis. We present a two-stage deep…

Graphics · Computer Science 2019-12-06 Xian Wu , Rui-Long Li , Fang-Lue Zhang , Jian-Cheng Liu , Jue Wang , Ariel Shamir , Shi-Min Hu

Wide-angle lens distortion in portrait photography presents a significant challenge for capturing photo-realistic and aesthetically pleasing images. Such distortions are especially noticeable in facial regions. In this work, we propose…

Computer Vision and Pattern Recognition · Computer Science 2024-10-15 Lan Yao , Chaofeng Chen , Xiaoming Li , Zifei Yan , Wangmeng Zuo

We introduce InverseFaceNet, a deep convolutional inverse rendering framework for faces that jointly estimates facial pose, shape, expression, reflectance and illumination from a single input image. By estimating all parameters from just a…

Computer Vision and Pattern Recognition · Computer Science 2018-05-17 Hyeongwoo Kim , Michael Zollhöfer , Ayush Tewari , Justus Thies , Christian Richardt , Christian Theobalt

Wide-angle cameras, despite their popularity for content creation, suffer from distortion-induced facial stretching-especially at the edge of the lens-which degrades visual appeal. To address this issue, we propose a structure-to-detail…

Computer Vision and Pattern Recognition · Computer Science 2025-08-07 Wenbo Nie , Lang Nie , Chunyu Lin , Jingwen Chen , Ke Xing , Jiyuan Wang , Kang Liao

Stitched images provide a wide field-of-view (FoV) but suffer from unpleasant irregular boundaries. To deal with this problem, existing image rectangling methods devote to searching an initial mesh and optimizing a target mesh to form the…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Lang Nie , Chunyu Lin , Kang Liao , Shuaicheng Liu , Yao Zhao

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

Video blogs and selfies are popular social media formats, which are often captured by wide-angle cameras to show human subjects and expanded background. Unfortunately, due to perspective projection, faces near corners and edges exhibit…

Computer Vision and Pattern Recognition · Computer Science 2021-12-22 Wei-Sheng Lai , YiChang Shih , Chia-Kai Liang , Ming-Hsuan Yang

Portraits or selfie images taken from a close distance typically suffer from perspective distortion. In this paper, we propose an end-to-end deep learning-based rectification pipeline to mitigate the effects of perspective distortion. We…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Ahmed Alhawwary , Janne Mustaniemi , Phong Nguyen-Ha , Janne Heikkilä

We present a deep neural network for removing undesirable shading features from an unconstrained portrait image, recovering the underlying texture. Our training scheme incorporates three regularization strategies: masked loss, to emphasize…

Computer Vision and Pattern Recognition · Computer Science 2022-07-25 Joshua Weir , Junhong Zhao , Andrew Chalmers , Taehyun Rhee

The wide-angle lens shows appealing applications in VR technologies, but it introduces severe radial distortion into its captured image. To recover the realistic scene, previous works devote to rectifying the content of the wide-angle…

Computer Vision and Pattern Recognition · Computer Science 2023-09-06 Kang Liao , Lang Nie , Chunyu Lin , Zishuo Zheng , Yao Zhao

Blind deblurring consists a long studied task, however the outcomes of generic methods are not effective in real world blurred images. Domain-specific methods for deblurring targeted object categories, e.g. text or faces, frequently…

Computer Vision and Pattern Recognition · Computer Science 2017-05-26 Grigorios G. Chrysos , Stefanos Zafeiriou

We propose MegaPortrait. It's an innovative system for creating personalized portrait images in computer vision. It has three modules: Identity Net, Shading Net, and Harmonization Net. Identity Net generates learned identity using a…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Han Yang , Sotiris Anagnostidis , Enis Simsar , Thomas Hofmann

In this paper, we present a deep learning based image feature extraction method designed specifically for face images. To train the feature extraction model, we construct a large scale photo-realistic face image dataset with ground-truth…

Computer Vision and Pattern Recognition · Computer Science 2018-03-13 Boyi Jiang , Juyong Zhang , Bailin Deng , Yudong Guo , Ligang Liu

We propose the first general framework to automatically correct different types of geometric distortion in a single input image. Our proposed method employs convolutional neural networks (CNNs) trained by using a large synthetic distortion…

Computer Vision and Pattern Recognition · Computer Science 2019-09-10 Xiaoyu Li , Bo Zhang , Pedro V. Sander , Jing Liao

A portrait is a painting, drawing, photograph, or engraving of a person, especially one depicting only the face or head and shoulders. In the digital world the portrait of a person is captured by having the person as a subject in the image…

Computer Vision and Pattern Recognition · Computer Science 2022-02-08 Sumedh Vilas Datar and , Jesus Gonzales Bernal

Generating visible-like face images from thermal images is essential to perform manual and automatic cross-spectrum face recognition. We successfully propose a solution based on cascaded refinement network that, unlike previous works,…

Computer Vision and Pattern Recognition · Computer Science 2019-10-22 Naser Damer , Fadi Boutros , Khawla Mallat , Florian Kirchbuchner , Jean-Luc Dugelay , Arjan Kuijper
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