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The current developments in the field of machine vision have opened new vistas towards deploying multimodal biometric recognition systems in various real-world applications. These systems have the ability to deal with the limitations of…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Bilal Hassan , Ramsha Ahmed , Taimur Hassan , Naoufel Werghi

It is challenging to detect curve texts due to their irregular shapes and varying sizes. In this paper, we first investigate the deficiency of the existing curve detection methods and then propose a novel Conditional Spatial Expansion (CSE)…

Computer Vision and Pattern Recognition · Computer Science 2019-03-22 Zichuan Liu , Guosheng Lin , Sheng Yang , Fayao Liu , Weisi Lin , Wang Ling Goh

Category-Agnostic Pose Estimation (CAPE) aims to localize keypoints on an object of any category given few exemplars in an in-context manner. Prior arts involve sophisticated designs, e.g., sundry modules for similarity calculation and a…

Computer Vision and Pattern Recognition · Computer Science 2024-07-19 Yujia Liang , Zixuan Ye , Wenze Liu , Hao Lu

In this work, we develop a monocular SLAM-aware object recognition system that is able to achieve considerably stronger recognition performance, as compared to classical object recognition systems that function on a frame-by-frame basis. By…

Robotics · Computer Science 2015-06-08 Sudeep Pillai , John Leonard

Surgical scene segmentation is a fundamental task for robotic-assisted laparoscopic surgery understanding. It often contains various anatomical structures and surgical instruments, where similar local textures and fine-grained structures…

Computer Vision and Pattern Recognition · Computer Science 2024-10-24 Cheng Yuan , Yutong Ban

In recent year, tremendous strides have been made in face detection thanks to deep learning. However, most published face detectors deteriorate dramatically as the faces become smaller. In this paper, we present the Small Faces Attention…

Computer Vision and Pattern Recognition · Computer Science 2019-12-02 Shi Luo , Xiongfei Li , Rui Zhu , Xiaoli Zhang

We study quantum imaging by applying the resolvable expressive capacity (REC) formalism developed for physical neural networks (PNNs). In this paradigm of quantum learning, the imaging system functions as a physical learning device that…

Quantum Physics · Physics 2026-02-05 Yunkai Wang , Changhun Oh , Junyu Liu , Liang Jiang , Sisi Zhou

Unlike conventional frame-based sensors, event-based visual sensors output information through spikes at a high temporal resolution. By only encoding changes in pixel intensity, they showcase a low-power consuming, low-latency approach to…

Computer Vision and Pattern Recognition · Computer Science 2019-03-19 Rohan Ghosh , Anupam Gupta , Siyi Tang , Alcimar Soares , Nitish Thakor

Small objects are difficult to detect because of their low resolution and small size. The existing small object detection methods mainly focus on data preprocessing or narrowing the differences between large and small objects. Inspired by…

Computer Vision and Pattern Recognition · Computer Science 2020-06-11 Fan Zhang , Licheng Jiao , Lingling Li , Fang Liu , Xu Liu

Detection and description of keypoints from an image is a well-studied problem in Computer Vision. Some methods like SIFT, SURF or ORB are computationally really efficient. This paper proposes a solution for a particular case study on…

Computer Vision and Pattern Recognition · Computer Science 2020-06-05 Ibon Merino , Jon Azpiazu , Anthony Remazeilles , Basilio Sierra

In light of the rising demand for biometric-authentication systems, preventing face spoofing attacks is a critical issue for the safe deployment of face recognition systems. Here, we propose an efficient face presentation attack detection…

Computer Vision and Pattern Recognition · Computer Science 2020-12-17 Akinori F. Ebihara , Kazuyuki Sakurai , Hitoshi Imaoka

Scale variation is one of the most challenging problems in face detection. Modern face detectors employ feature pyramids to deal with scale variation. However, it might break the feature consistency across different scales of faces. In this…

Computer Vision and Pattern Recognition · Computer Science 2021-05-24 Leilei Cao , Yao Xiao , Lin Xu

The recognition of texts existing in camera-captured images has become an important issue for a great deal of research during the past few decades. This give birth to Scene Character Recognition (SCR) which is an important step in scene…

Computer Vision and Pattern Recognition · Computer Science 2018-07-20 Maroua Tounsi , Ikram Moalla , Frank Lebourgeois , Adel M. Alimi

Automatically discovering composable abstractions from raw perceptual data is a long-standing challenge in machine learning. Recent slot-based neural networks that learn about objects in a self-supervised manner have made exciting progress…

Computer Vision and Pattern Recognition · Computer Science 2023-07-24 Ondrej Biza , Sjoerd van Steenkiste , Mehdi S. M. Sajjadi , Gamaleldin F. Elsayed , Aravindh Mahendran , Thomas Kipf

Convolution is spatially-symmetric, i.e., the visual features are independent of its position in the image, which limits its ability to utilize contextual cues for visual recognition. This paper addresses this issue by introducing a…

Computer Vision and Pattern Recognition · Computer Science 2018-04-04 Yan Wang , Lingxi Xie , Siyuan Qiao , Ya Zhang , Wenjun Zhang , Alan L. Yuille

We consider the problem of object recognition with a large number of classes. In order to overcome the low amount of labeled examples available in this setting, we introduce a new feature learning and extraction procedure based on a factor…

Machine Learning · Computer Science 2012-07-03 Ian Goodfellow , Aaron Courville , Yoshua Bengio

This paper presents a novel pothole detection approach based on single-modal semantic segmentation. It first extracts visual features from input images using a convolutional neural network. A channel attention module then reweighs the…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Jiahe Fan , Mohammud J. Bocus , Brett Hosking , Rigen Wu , Yanan Liu , Sergey Vityazev , Rui Fan

Pedestrian attribute recognition in surveillance scenarios is still a challenging task due to the inaccurate localization of specific attributes. In this paper, we propose a novel view-attribute localization method based on attention…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Weichen Chen , Xinyi Yu , Linlin Ou

Biometric methods based on iris images are believed to allow very high accuracy, and there has been an explosion of interest in iris biometrics in recent years. In this paper, we use the Scale Invariant Feature Transformation (SIFT) for…

Computer Vision and Pattern Recognition · Computer Science 2021-11-02 Fernando Alonso-Fernandez , Pedro Tome-Gonzalez , Virginia Ruiz-Albacete , Javier Ortega-Garcia

We present a new wrapper feature selection algorithm for human detection. This algorithm is a hybrid feature selection approach combining the benefits of filter and wrapper methods. It allows the selection of an optimal feature vector that…

Computer Vision and Pattern Recognition · Computer Science 2025-03-24 Jeonghwan Park , Kang Li , Huiyu Zhou