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Local differential privacy (LDP) is a recently proposed privacy standard for collecting and analyzing data, which has been used, e.g., in the Chrome browser, iOS and macOS. In LDP, each user perturbs her information locally, and only sends…

Cryptography and Security · Computer Science 2019-07-02 Ning Wang , Xiaokui Xiao , Yin Yang , Jun Zhao , Siu Cheung Hui , Hyejin Shin , Junbum Shin , Ge Yu

In many image processing applications, such as segmentation and classification, the selection of robust features descriptors is crucial to improve the discrimination capabilities in real world scenarios. In particular, it is well known that…

Computer Vision and Pattern Recognition · Computer Science 2011-12-01 Rodrigo Nava , Gabriel Cristóbal , Boris Escalante-Ramírez

In recent decades, the automatic video surveillance system has gained significant importance in computer vision community. The crucial objective of surveillance is monitoring and security in public places. In the traditional Local Binary…

Computer Vision and Pattern Recognition · Computer Science 2021-02-02 Shahbano , Muhammad Abdullah , Kashif Inayat

Recent work by Suenderhauf et al. [1] demonstrated improved visual place recognition using proposal regions coupled with features from convolutional neural networks (CNN) to match landmarks between views. In this work we extend the approach…

Computer Vision and Pattern Recognition · Computer Science 2016-08-16 Pilailuck Panphattarasap , Andrew Calway

Global localization is essential for robot navigation, of which the first step is to retrieve a query from the map database. This problem is called place recognition. In recent years, LiDAR scan based place recognition has drawn attention…

Robotics · Computer Science 2021-01-14 Xuecheng Xu , Huan Yin , Zexi Chen , Yue Wang , Rong Xiong

This paper presents LP-DETR (Layer-wise Progressive DETR), a novel approach that enhances DETR-based object detection through multi-scale relation modeling. Our method introduces learnable spatial relationships between object queries…

Computer Vision and Pattern Recognition · Computer Science 2025-05-14 Zhengjian Kang , Ye Zhang , Xiaoyu Deng , Xintao Li , Yongzhe Zhang

Heterogeneous Face Recognition (HFR) refers to matching face images captured in different domains, such as thermal to visible images (VIS), sketches to visible images, near-infrared to visible, and so on. This is particularly useful in…

Computer Vision and Pattern Recognition · Computer Science 2022-10-14 Anjith George , Amir Mohammadi , Sebastien Marcel

Recognition of low resolution face images is a challenging problem in many practical face recognition systems. Methods have been proposed in the face recognition literature for the problem which assume that the probe is low resolution, but…

Computer Vision and Pattern Recognition · Computer Science 2017-07-11 Sumit Shekhar , Vishal M. Patel , Rama Chellappa

Place recognition is a challenging problem in mobile robotics, especially in unstructured environments or under viewpoint and illumination changes. Most LiDAR-based methods rely on geometrical features to overcome such challenges, as…

Robotics · Computer Science 2018-12-03 Jiadong Guo , Paulo V. K. Borges , Chanoh Park , Abel Gawel

In todays world, where the need for security is paramount and biometric access control systems are gaining mass acceptance due to their increased reliability, research in this area is quite relevant. Also with the advent of IOT devices and…

Multimedia · Computer Science 2021-01-12 Soumendu Chakraborty , Satish Kumar Singh , Kush Kumar

We present a new local descriptor for 3D shapes, directly applicable to a wide range of shape analysis problems such as point correspondences, semantic segmentation, affordance prediction, and shape-to-scan matching. The descriptor is…

Computer Vision and Pattern Recognition · Computer Science 2017-09-06 Haibin Huang , Evangelos Kalogerakis , Siddhartha Chaudhuri , Duygu Ceylan , Vladimir G. Kim , Ersin Yumer

Although face recognition systems have achieved impressive performance in recent years, the low-resolution face recognition (LRFR) task remains challenging, especially when the LR faces are captured under non-ideal conditions, as is common…

Computer Vision and Pattern Recognition · Computer Science 2019-04-01 Pei Li , Loreto Prieto , Domingo Mery , Patrick Flynn

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

Accurate and fast extraction of the foreground object is one of the most significant issues to be solved due to its important meaning for object tracking and recognition in video surveillance. Although many foreground object detection…

Computer Vision and Pattern Recognition · Computer Science 2018-10-19 Dongdong Zeng , Ming Zhu , Hang Yang

Local Binary Patterns (LBP) are extensively used to analyze local texture features of an image. Several new extensions to LBP-based texture descriptors have been proposed, focusing on improving noise robustness by using different coding or…

Image and Video Processing · Electrical Eng. & Systems 2024-01-02 Salwua Aqreerah , Alhaam Alariyibi , Wafa El-Tarhouni

Gender recognition from unconstrained face images is a challenging task due to the high degree of misalignment, pose, expression, and illumination variation. In previous works, the recognition of gender from unconstrained face images is…

Computer Vision and Pattern Recognition · Computer Science 2025-08-29 Olasimbo Ayodeji Arigbabu , Sharifah Mumtazah Syed Ahmad , Wan Azizun Wan Adnan , Salman Yussof , Saif Mahmood

The local reference frame (LRF) acts as a critical role in 3D local shape description and matching. However, most of existing LRFs are hand-crafted and suffer from limited repeatability and robustness. This paper presents the first attempt…

Computer Vision and Pattern Recognition · Computer Science 2020-05-05 Angfan Zhu , Jiaqi Yang , Weiyue Zhao , Zhiguo Cao

This research presents an improved real-time face recognition system at a low resolution of 15 pixels with pose and emotion and resolution variations. We have designed our datasets named LRD200 and LRD100, which have been used for training…

Computer Vision and Pattern Recognition · Computer Science 2021-04-16 Kamal Chandra Paul , Semih Aslan

Recently, heatmap regression has been widely explored in facial landmark detection and obtained remarkable performance. However, most of the existing heatmap regression-based facial landmark detection methods neglect to explore the…

Computer Vision and Pattern Recognition · Computer Science 2020-12-14 Jun Wan , Zhihui Lai , Jing Li , Jie Zhou , Can Gao

Visual Place Recognition is a task that aims to predict the coordinates of an image (called query) based solely on visual clues. Most commonly, a retrieval approach is adopted, where the query is matched to the most similar images from a…

Computer Vision and Pattern Recognition · Computer Science 2023-04-13 Giovanni Barbarani , Mohamad Mostafa , Hajali Bayramov , Gabriele Trivigno , Gabriele Berton , Carlo Masone , Barbara Caputo
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