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Related papers: From handcrafted to deep local features

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Understanding the features learned by deep models is important from a model trust perspective, especially as deep systems are deployed in the real world. Most recent approaches for deep feature understanding or model explanation focus on…

Pedestrian detection is an important but challenging problem in computer vision, especially in human-centric tasks. Over the past decade, significant improvement has been witnessed with the help of handcrafted features and deep features.…

Computer Vision and Pattern Recognition · Computer Science 2021-05-13 Jiale Cao , Yanwei Pang , Jin Xie , Fahad Shahbaz Khan , Ling Shao

Local image feature descriptors have had a tremendous impact on the development and application of computer vision methods. It is therefore unsurprising that significant efforts are being made for learning-based image point descriptors.…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Rashik Shrestha , Ajad Chhatkuli , Menelaos Kanakis , Luc Van Gool

We present an approach that combines automatic features learned by convolutional neural networks (CNN) and handcrafted features computed by the bag-of-visual-words (BOVW) model in order to achieve state-of-the-art results in facial…

Computer Vision and Pattern Recognition · Computer Science 2020-03-16 Mariana-Iuliana Georgescu , Radu Tudor Ionescu , Marius Popescu

Starting in the seventies, face recognition has become one of the most researched topics in computer vision and biometrics. Traditional methods based on hand-crafted features and traditional machine learning techniques have recently been…

Computer Vision and Pattern Recognition · Computer Science 2018-11-02 Daniel Sáez Trigueros , Li Meng , Margaret Hartnett

Local feature matching enjoys wide-ranging applications in the realm of computer vision, encompassing domains such as image retrieval, 3D reconstruction, and object recognition. However, challenges persist in improving the accuracy and…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Shibiao Xu , Shunpeng Chen , Rongtao Xu , Changwei Wang , Peng Lu , Li Guo

The content based image retrieval aims to find the similar images from a large scale dataset against a query image. Generally, the similarity between the representative features of the query image and dataset images is used to rank the…

Computer Vision and Pattern Recognition · Computer Science 2021-05-21 Shiv Ram Dubey

With the recent advances in hardware and rendering techniques, 3D models have emerged everywhere in our life. Yet creating 3D shapes is arduous and requires significant professional knowledge. Meanwhile, Deep learning has enabled…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Zhiqin Chen

With the advances in both stable interest region detectors and robust and distinctive descriptors, local feature-based image or object retrieval has become a popular research topic. %All of the local feature-based image retrieval system…

Computer Vision and Pattern Recognition · Computer Science 2016-07-29 Yusuke Uchida

3D reconstruction is a longstanding ill-posed problem, which has been explored for decades by the computer vision, computer graphics, and machine learning communities. Since 2015, image-based 3D reconstruction using convolutional neural…

Computer Vision and Pattern Recognition · Computer Science 2019-11-28 Xian-Feng Han , Hamid Laga , Mohammed Bennamoun

For image recognition and labeling tasks, recent results suggest that machine learning methods that rely on manually specified feature representations may be outperformed by methods that automatically derive feature representations based on…

Computer Vision and Pattern Recognition · Computer Science 2013-12-24 John A. Bogovic , Gary B. Huang , Viren Jain

Recent developments in computer vision and machine learning have made it possible to create realistic manipulated videos of human faces, raising the issue of ensuring adequate protection against the malevolent effects unlocked by such…

Computer Vision and Pattern Recognition · Computer Science 2020-02-12 Michail Tarasiou , Stefanos Zafeiriou

This paper presents a comprehensive survey on deep learning-based image watermarking, a technique that entails the invisible embedding and extraction of watermarks within a cover image, aiming to offer a seamless blend of robustness and…

Multimedia · Computer Science 2023-10-31 Xin Zhong , Arjon Das , Fahad Alrasheedi , Abdullah Tanvir

Due to object detection's close relationship with video analysis and image understanding, it has attracted much research attention in recent years. Traditional object detection methods are built on handcrafted features and shallow trainable…

Computer Vision and Pattern Recognition · Computer Science 2019-04-17 Zhong-Qiu Zhao , Peng Zheng , Shou-tao Xu , Xindong Wu

Since about 100 years ago, to learn the intrinsic structure of data, many representation learning approaches have been proposed, including both linear ones and nonlinear ones, supervised ones and unsupervised ones. Particularly, deep…

Machine Learning · Computer Science 2016-11-28 Guoqiang Zhong , Li-Na Wang , Junyu Dong

Robust long-term visual localization in complex industrial environments is critical for mobile robotic systems. Existing approaches face limitations: handcrafted features are illumination-sensitive, learned features are computationally…

Computer Vision and Pattern Recognition · Computer Science 2025-05-27 Yicheng Lin , Yunlong Jiang , Xujia Jiao , Bin Han

In this work, we present an ensemble of descriptors for the classification of transmission electron microscopy images of viruses. We propose to combine handcrafted and deep learning approaches for virus image classification. The set of…

Computer Vision and Pattern Recognition · Computer Science 2021-12-28 Loris Nanni , Eugenio De Luca , Marco Ludovico Facin , Gianluca Maguolo

Local learning methods are a popular class of machine learning algorithms. The basic idea for the entire cadre is to choose some non-local model family, to train many of them on small sections of neighboring data, and then to `stitch' the…

Machine Learning · Computer Science 2020-04-15 CScott Brown

Deep learning based localization and mapping approaches have recently emerged as a new research direction and receive significant attentions from both industry and academia. Instead of creating hand-designed algorithms based on physical…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Changhao Chen , Bing Wang , Chris Xiaoxuan Lu , Niki Trigoni , Andrew Markham

Deep learning expresses a category of machine learning algorithms that have the capability to combine raw inputs into intermediate features layers. These deep learning algorithms have demonstrated great results in different fields. Deep…

Computer Vision and Pattern Recognition · Computer Science 2024-04-15 Sukhdeep Singh , Sudhir Rohilla , Anuj Sharma
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