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Related papers: ZippyPoint: Fast Interest Point Detection, Descrip…

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Deep convolutional networks have recently achieved great success in video recognition, yet their practical realization remains a challenge due to the large amount of computational resources required to achieve robust recognition. Motivated…

Computer Vision and Pattern Recognition · Computer Science 2021-08-25 Ximeng Sun , Rameswar Panda , Chun-Fu Chen , Aude Oliva , Rogerio Feris , Kate Saenko

Interest point descriptors have fueled progress on almost every problem in computer vision. Recent advances in deep neural networks have enabled task-specific learned descriptors that outperform hand-crafted descriptors on many problems. We…

Computer Vision and Pattern Recognition · Computer Science 2018-08-03 Mohammed E. Fathy , Quoc-Huy Tran , M. Zeeshan Zia , Paul Vernaza , Manmohan Chandraker

The advent of a panoply of resource limited devices opens up new challenges in the design of computer vision algorithms with a clear compromise between accuracy and computational requirements. In this paper we present new binary image…

Computer Vision and Pattern Recognition · Computer Science 2021-08-20 Iago Suárez , José M. Buenaposada , Luis Baumela

Model efficiency has become increasingly important in computer vision. In this paper, we systematically study neural network architecture design choices for object detection and propose several key optimizations to improve efficiency.…

Computer Vision and Pattern Recognition · Computer Science 2020-07-28 Mingxing Tan , Ruoming Pang , Quoc V. Le

We tackle the problem of unsupervised visual descriptors compression, which is a key ingredient of large-scale image retrieval systems. While the deep learning machinery has benefited literally all computer vision pipelines, the existing…

Machine Learning · Computer Science 2019-08-13 Stanislav Morozov , Artem Babenko

Efficient matching of local image features is a fundamental task in many computer vision applications. However, the real-time performance of top matching algorithms is compromised in computationally limited devices, such as mobile phones or…

Computer Vision and Pattern Recognition · Computer Science 2024-02-08 Iago Suárez , Ghesn Sfeir , José M. Buenaposada , Luis Baumela

Point cloud based place recognition is still an open issue due to the difficulty in extracting local features from the raw 3D point cloud and generating the global descriptor, and it's even harder in the large-scale dynamic environments. In…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Zhe Liu , Shunbo Zhou , Chuanzhe Suo , Yingtian Liu , Peng Yin , Hesheng Wang , Yun-Hui Liu

This paper aims at rapid deployment of the state-of-the-art deep neural networks (DNNs) to energy efficient accelerators without time-consuming fine tuning or the availability of the full datasets. Converting DNNs in full precision to…

Neural and Evolutionary Computing · Computer Science 2018-10-15 Jun Haeng Lee , Sangwon Ha , Saerom Choi , Won-Jo Lee , Seungwon Lee

We present a simple but yet effective method for learning distinctive 3D local deep descriptors (DIPs) that can be used to register point clouds without requiring an initial alignment. Point cloud patches are extracted, canonicalised with…

Computer Vision and Pattern Recognition · Computer Science 2020-12-29 Fabio Poiesi , Davide Boscaini

Interest point detection is a common task in various computer vision applications. Although a big variety of detector are developed so far computational efficiency of interest point based image analysis remains to be the problem. Current…

Computer Vision and Pattern Recognition · Computer Science 2010-03-23 Vitaly Pimenov

The task of detecting the interest points in 3D meshes has typically been handled by geometric methods. These methods, while greatly describing human preference, can be ill-equipped for handling the variety and subjectivity in human…

Computer Vision and Pattern Recognition · Computer Science 2013-12-25 Leizer Teran , Philippos Mordohai

Feature descriptor matching is a critical step is many computer vision applications such as image stitching, image retrieval and visual localization. However, it is often affected by many practical factors which will degrade its…

Computer Vision and Pattern Recognition · Computer Science 2020-08-11 Po-Heng Chen , Zhao-Xu Luo , Zu-Kuan Huang , Chun Yang , Kuan-Wen Chen

Point clouds are widely used representations of 3D data, but determining the visibility of points from a given viewpoint remains a challenging problem due to their sparse nature and lack of explicit connectivity. Traditional methods, such…

Graphics · Computer Science 2025-09-30 Jun-Hao Wang , Yi-Yang Tian , Baoquan Chen , Peng-Shuai Wang

Low-precision networks, with weights and activations quantized to low bit-width, are widely used to accelerate inference on edge devices. However, current solutions are uniform, using identical bit-width for all filters. This fails to…

Machine Learning · Computer Science 2020-04-14 Zhaowei Cai , Nuno Vasconcelos

Finding point-wise correspondences between images is a long-standing problem in image analysis. This becomes particularly challenging for sketch images, due to the varying nature of human drawing style, projection distortions and viewport…

Computer Vision and Pattern Recognition · Computer Science 2021-01-05 Pablo Navarro , José Ignacio Orlando , Claudio Delrieux , Emmanuel Iarussi

Fast binary descriptors build the core for many vision based applications with real-time demands like object detection, Visual Odometry or SLAM. Commonly it is assumed, that the acquired images and thus the patches extracted around…

Computer Vision and Pattern Recognition · Computer Science 2016-10-26 Steffen Urban , Stefan Hinz

We propose a multiple-kernel local-patch descriptor based on efficient match kernels from pixel gradients. It combines two parametrizations of gradient position and direction, each parametrization provides robustness to a different type of…

Computer Vision and Pattern Recognition · Computer Science 2018-11-28 Arun Mukundan , Giorgos Tolias , Andrei Bursuc , Hervé Jégou , Ondřej Chum

Network binarization is a promising hardware-aware direction for creating efficient deep models. Despite its memory and computational advantages, reducing the accuracy gap between binary models and their real-valued counterparts remains an…

Computer Vision and Pattern Recognition · Computer Science 2021-04-01 Adrian Bulat , Brais Martinez , Georgios Tzimiropoulos

We present tidychangepoint, a new R package for changepoint detection analysis. Most R packages for segmenting univariate time series focus on providing one or two algorithms for changepoint detection that work with a small set of models…

Methodology · Statistics 2026-01-14 Benjamin S. Baumer , Biviana Marcela Suarez Sierra

This work addresses the challenge of sub-pixel accuracy in detecting 2D local features, a cornerstone problem in computer vision. Despite the advancements brought by neural network-based methods like SuperPoint and ALIKED, these modern…

Computer Vision and Pattern Recognition · Computer Science 2024-07-17 Shinjeong Kim , Marc Pollefeys , Daniel Barath