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Automatic building extraction from aerial imagery has several applications in urban planning, disaster management, and change detection. In recent years, several works have adopted deep convolutional neural networks (CNNs) for building…

图像与视频处理 · 电气工程与系统科学 2020-01-22 Clint Sebastian , Raffaele Imbriaco , Egor Bondarev , Peter H. N. de With

Accurate facial landmarks are essential prerequisites for many tasks related to human faces. In this paper, an accurate facial landmark detector is proposed based on cascaded transformers. We formulate facial landmark detection as a…

计算机视觉与模式识别 · 计算机科学 2022-08-24 Hui Li , Zidong Guo , Seon-Min Rhee , Seungju Han , Jae-Joon Han

Face alignment consists in aligning a shape model on a face in an image. It is an active domain in computer vision as it is a preprocessing for applications like facial expression recognition, face recognition and tracking, face animation,…

计算机视觉与模式识别 · 计算机科学 2019-07-11 Estephe Arnaud , Arnaud Dapogny , Kevin Bailly

The optimal fingerprinting method for detection and attribution of climate change is based on a multiple regression where each covariate has measurement error whose covariance matrix is the same as that of the regression error up to a known…

统计方法学 · 统计学 2025-05-08 Yan Li , Kun Chen , Jun Yan , Xuebin Zhang

Pose regression networks predict the camera pose of a query image relative to a known environment. Within this family of methods, absolute pose regression (APR) has recently shown promising accuracy in the range of a few centimeters in…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Shuai Chen , Tommaso Cavallari , Victor Adrian Prisacariu , Eric Brachmann

We present an algorithm for extracting key-point descriptors using deep convolutional neural networks (CNN). Unlike many existing deep CNNs, our model computes local features around a given point in an image. We also present a face…

计算机视觉与模式识别 · 计算机科学 2016-02-01 Amit Kumar , Rajeev Ranjan , Vishal Patel , Rama Chellappa

Face recognition has witnessed significant progresses due to the advances of deep convolutional neural networks (CNNs), the central challenge of which, is feature discrimination. To address it, one group tries to exploit mining-based…

计算机视觉与模式识别 · 计算机科学 2019-01-01 Xiaobo Wang , Shuo Wang , Shifeng Zhang , Tianyu Fu , Hailin Shi , Tao Mei

We present a novel convolutional neural network (CNN) design for facial landmark coordinate regression. We examine the intermediate features of a standard CNN trained for landmark detection and show that features extracted from later, more…

计算机视觉与模式识别 · 计算机科学 2016-03-23 Yue Wu , Tal Hassner , KangGeon Kim , Gerard Medioni , Prem Natarajan

Autoregressive (AR) models, the theoretical performance benchmark for learned lossless image compression, are often dismissed as impractical due to prohibitive computational cost. This work re-thinks this paradigm, introducing a framework…

计算机视觉与模式识别 · 计算机科学 2025-11-17 Daxin Li , Yuanchao Bai , Kai Wang , Wenbo Zhao , Junjun Jiang , Xianming Liu

With the emergence of service robots and surveillance cameras, dynamic face recognition (DFR) in wild has received much attention in recent years. Face detection and head pose estimation are two important steps for DFR. Very often, the pose…

计算机视觉与模式识别 · 计算机科学 2021-11-02 Yepeng Liu , Zaiwang Gu , Shenghua Gao , Dong Wang , Yusheng Zeng , Jun Cheng

We propose an approach for unsupervised adaptation of object detectors from label-rich to label-poor domains which can significantly reduce annotation costs associated with detection. Recently, approaches that align distributions of source…

计算机视觉与模式识别 · 计算机科学 2019-04-09 Kuniaki Saito , Yoshitaka Ushiku , Tatsuya Harada , Kate Saenko

Heatmap regression has been used for landmark localization for quite a while now. Most of the methods use a very deep stack of bottleneck modules for heatmap classification stage, followed by heatmap regression to extract the keypoints. In…

计算机视觉与模式识别 · 计算机科学 2018-03-29 Amit Kumar , Rama Chellappa

Facial alignment involves finding a set of landmark points on an image with a known semantic meaning. However, this semantic meaning of landmark points is often lost in 2D approaches where landmarks are either moved to visible boundaries or…

计算机视觉与模式识别 · 计算机科学 2017-09-11 Chandrasekhar Bhagavatula , Chenchen Zhu , Khoa Luu , Marios Savvides

Face alignment aims to estimate the locations of a set of landmarks for a given image. This problem has received much attention as evidenced by the recent advancement in both the methodology and performance. However, most of the existing…

计算机视觉与模式识别 · 计算机科学 2015-06-12 Amin Jourabloo , Xiaoming Liu

Landmark detection algorithms trained on high resolution images perform poorly on datasets containing low resolution images. This deters the performance of algorithms relying on quality landmarks, for example, face recognition. To the best…

计算机视觉与模式识别 · 计算机科学 2019-08-01 Amit Kumar , Rama Chellappa

Numerous detection problems in computer vision, including road crack detection, suffer from exceedingly foreground-background imbalance. Fortunately, modification of loss function appears to solve this puzzle once and for all. In this…

计算机视觉与模式识别 · 计算机科学 2021-09-15 Kai Li , Bo Wang , Yingjie Tian , Zhiquan Qi

In this paper, we examine 3 important issues in the practical use of state-of-the-art facial landmark detectors and show how a combination of specific architectural modifications can directly improve their accuracy and temporal stability.…

计算机视觉与模式识别 · 计算机科学 2024-05-31 Prashanth Chandran , Gaspard Zoss , Paulo Gotardo , Derek Bradley

The variation of pose, illumination and expression makes face recognition still a challenging problem. As a pre-processing in holistic approaches, faces are usually aligned by eyes. The proposed method tries to perform a pixel alignment…

计算机视觉与模式识别 · 计算机科学 2018-08-01 Hoda Mohammadzade , Amirhossein Sayyafan , Benyamin Ghojogh

We address the challenging problem of RGB image-based head pose estimation. We first reformulate head pose representation learning to constrain it to a bounded space. Head pose represented as vector projection or vector angles shows helpful…

计算机视觉与模式识别 · 计算机科学 2020-05-25 Donggen Dai , Wangkit Wong , Zhuojun Chen

Recently, a popular line of research in face recognition is adopting margins in the well-established softmax loss function to maximize class separability. In this paper, we first introduce an Additive Angular Margin Loss (ArcFace), which…

计算机视觉与模式识别 · 计算机科学 2022-09-07 Jiankang Deng , Jia Guo , Jing Yang , Niannan Xue , Irene Kotsia , Stefanos Zafeiriou