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Transformer models have achieved promising performances in point cloud segmentation. However, most existing attention schemes provide the same feature learning paradigm for all points equally and overlook the enormous difference in size…

Computer Vision and Pattern Recognition · Computer Science 2023-01-18 Junjie Zhou , Yongping Xiong , Chinwai Chiu , Fangyu Liu , Xiangyang Gong

Transformers, renowned for their powerful feature extraction capabilities, have played an increasingly prominent role in various vision tasks. Especially, recent advancements present transformer with hierarchical structures such as Dilated…

Computer Vision and Pattern Recognition · Computer Science 2024-08-21 Jinghuai Jie , Yan Guo , Guixing Wu , Junmin Wu , Baojian Hua

In this paper, we present DAT, a Depth-Aware Transformer framework designed for camera-based 3D detection. Our model is based on observing two major issues in existing methods: large depth translation errors and duplicate predictions along…

Computer Vision and Pattern Recognition · Computer Science 2023-06-06 Hao Zhang , Hongyang Li , Ailing Zeng , Feng Li , Shilong Liu , Xingyu Liao , Lei Zhang

Facial landmark detection is a vital step for numerous facial image analysis applications. Although some deep learning-based methods have achieved good performances in this task, they are often not suitable for running on mobile devices.…

Computer Vision and Pattern Recognition · Computer Science 2021-11-16 Ali Pourramezan Fard , Mohammad H. Mahoor

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

Satellite image classification is a challenging problem that lies at the crossroads of remote sensing, computer vision, and machine learning. Due to the high variability inherent in satellite data, most of the current object classification…

Computer Vision and Pattern Recognition · Computer Science 2019-11-19 Qun Liu , Saikat Basu , Sangram Ganguly , Supratik Mukhopadhyay , Robert DiBiano , Manohar Karki , Ramakrishna Nemani

Deep neural networks are susceptible to learn biased models with entangled feature representations, which may lead to subpar performances on various downstream tasks. This is particularly true for under-represented classes, where a lack of…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Sanghyeok Chu , Dongwan Kim , Bohyung Han

Recent advances in deep learning have significantly improved facial landmark detection. However, existing facial landmark detection datasets often define different numbers of landmarks, and most mainstream methods can only be trained on a…

Computer Vision and Pattern Recognition · Computer Science 2025-10-20 Shengkai Hu , Haozhe Qi , Jun Wan , Jiaxing Huang , Lefei Zhang , Hang Sun , Dacheng Tao

Features from multiple scales can greatly benefit the semantic edge detection task if they are well fused. However, the prevalent semantic edge detection methods apply a fixed weight fusion strategy where images with different semantics are…

Computer Vision and Pattern Recognition · Computer Science 2019-02-26 Yuan Hu , Yunpeng Chen , Xiang Li , Jiashi Feng

Face recognition systems have raised concerns due to their vulnerability to different presentation attacks, and system security has become an increasingly critical concern. Although many face anti-spoofing (FAS) methods perform well in…

Computer Vision and Pattern Recognition · Computer Science 2024-01-03 Zhe Kong , Wentian Zhang , Tao Wang , Kaihao Zhang , Yuexiang Li , Xiaoying Tang , Wenhan Luo

In this paper, we present a sparsity-aware deep network for automatic 4D facial expression recognition (FER). Given 4D data, we first propose a novel augmentation method to combat the data limitation problem for deep learning. This is…

Computer Vision and Pattern Recognition · Computer Science 2020-08-20 Muzammil Behzad , Nhat Vo , Xiaobai Li , Guoying Zhao

Dynamic Scene Graph Generation (DSGG) aims to structurally model objects and their dynamic interactions in video sequences for high-level semantic understanding. However, existing methods struggle with fine-grained relationship modeling,…

Computer Vision and Pattern Recognition · Computer Science 2026-04-22 Xuejiao Wang , Bohao Zhang , Changbo Wang , Gaoqi He

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…

Computer Vision and Pattern Recognition · Computer Science 2017-09-11 Chandrasekhar Bhagavatula , Chenchen Zhu , Khoa Luu , Marios Savvides

Face alignment (or facial landmarking) is an important task in many face-related applications, ranging from registration, tracking and animation to higher-level classification problems such as face, expression or attribute recognition.…

Computer Vision and Pattern Recognition · Computer Science 2019-04-25 Janez Križaj , Peter Peer , Vitomir Štruc , Simon Dobrišek

We propose a novel landmarks-assisted collaborative end-to-end deep framework for automatic 4D FER. Using 4D face scan data, we calculate its various geometrical images, and afterwards use rank pooling to generate their dynamic images…

Computer Vision and Pattern Recognition · Computer Science 2020-02-10 Muzammil Behzad , Nhat Vo , Xiaobai Li , Guoying Zhao

Extraction of discriminative features from salient facial patches plays a vital role in effective facial expression recognition. The accurate detection of facial landmarks improves the localization of the salient patches on face images.…

Computer Vision and Pattern Recognition · Computer Science 2018-07-19 S L Happy , Aurobinda Routray

Localization is an essential task for mobile autonomous robotic systems that want to use pre-existing maps or create new ones in the context of SLAM. Today, many robotic platforms are equipped with high-accuracy 3D LiDAR sensors, which…

Self-supervised representation learning has gained increasing attention for strong generalization ability without relying on paired datasets. However, it has not been explored sufficiently for facial representation. Self-supervised facial…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Ruian He , Zhen Xing , Weimin Tan , Bo Yan

We introduce Deep Adaptive Semantic Logic (DASL), a novel framework for automating the generation of deep neural networks that incorporates user-provided formal knowledge to improve learning from data. We provide formal semantics that…

Computer Vision and Pattern Recognition · Computer Science 2020-03-17 Karan Sikka , Andrew Silberfarb , John Byrnes , Indranil Sur , Ed Chow , Ajay Divakaran , Richard Rohwer

In this work, we present the depth-adaptive deep neural network using a depth map for semantic segmentation. Typical deep neural networks receive inputs at the predetermined locations regardless of the distance from the camera. This fixed…

Computer Vision and Pattern Recognition · Computer Science 2018-01-30 Byeongkeun Kang , Yeejin Lee , Truong Q. Nguyen
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