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Related papers: MREAK : Morphological Retina Keypoint Descriptor

200 papers

Perception-related errors comprise most diagnostic mistakes in radiology. To mitigate this problem, radiologists employ personalized and high-dimensional visual search strategies, otherwise known as search patterns. Qualitative descriptions…

In the past five years, the use of generative and foundational AI systems has greatly improved the decoding of brain activity. Visual perception, in particular, can now be decoded from functional Magnetic Resonance Imaging (fMRI) with…

Image and Video Processing · Electrical Eng. & Systems 2024-03-15 Yohann Benchetrit , Hubert Banville , Jean-Rémi King

Many computer vision and image processing applications rely on local features. It is well-known that motion blur decreases the performance of traditional feature detectors and descriptors. We propose an inertial-based deblurring method for…

Computer Vision and Pattern Recognition · Computer Science 2018-05-23 Janne Mustaniemi , Juho Kannala , Simo Särkkä , Jiri Matas , Janne Heikkilä

We study the problem of deep recall model in industrial web search, which is, given a user query, retrieve hundreds of most relevance documents from billions of candidates. The common framework is to train two encoding models based on…

Information Retrieval · Computer Science 2020-07-06 Yusi Zhang , Chuanjie Liu , Angen Luo , Hui Xue , Xuan Shan , Yuxiang Luo , Yiqian Xia , Yuanchi Yan , Haidong Wang

Data quality is critical for multimedia tasks, while various types of systematic flaws are found in image benchmark datasets, as discussed in recent work. In particular, the existence of the semantic gap problem leads to a many-to-many…

Computer Vision and Pattern Recognition · Computer Science 2023-04-19 Fausto Giunchiglia , Xiaolei Diao , Mayukh Bagchi

This prospective study proposes CoMatch, a novel semi-dense image matcher with dynamic covisibility awareness and bilateral subpixel accuracy. Firstly, observing that modeling context interaction over the entire coarse feature map elicits…

Computer Vision and Pattern Recognition · Computer Science 2025-04-01 Zizhuo Li , Yifan Lu , Linfeng Tang , Shihua Zhang , Jiayi Ma

Recent information retrieval (IR) models are pre-trained and instruction-tuned on massive datasets and tasks, enabling them to perform well on a wide range of tasks and potentially generalize to unseen tasks with instructions. However,…

Information Retrieval · Computer Science 2024-10-15 Weiwei Sun , Zhengliang Shi , Jiulong Wu , Lingyong Yan , Xinyu Ma , Yiding Liu , Min Cao , Dawei Yin , Zhaochun Ren

Most approaches to cross-modal retrieval (CMR) focus either on object-centric datasets, meaning that each document depicts or describes a single object, or on scene-centric datasets, meaning that each image depicts or describes a complex…

Information Retrieval · Computer Science 2023-10-12 Mariya Hendriksen , Svitlana Vakulenko , Ernst Kuiper , Maarten de Rijke

Sparse keypoint matching is crucial for 3D vision tasks, yet current keypoint detectors often produce spatially inaccurate matches. Existing refinement methods mitigate this issue through alignment of matched keypoint locations, but they…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Jan Fabian Schmid , Annika Hagemann

Recent advances in vision-language models (VLMs) have made significant progress in downstream tasks that require quantitative concepts such as facial age estimation and image quality assessment, enabling VLMs to explore applications like…

Computer Vision and Pattern Recognition · Computer Science 2025-02-11 Wei-Hsiang Yu , Yen-Yu Lin , Ming-Hsuan Yang , Yi-Hsuan Tsai

In this paper, we present a novel approach for object recognition in real-time by employing multilevel feature analysis and demonstrate the practicality of adapting feature extraction into a Naive Bayesian classification framework that…

Computer Vision and Pattern Recognition · Computer Science 2017-10-31 Yang Cheng , Timeo Dubois

Visual Document Retrieval (VDR) requires representations that capture both fine-grained visual details and global document structure to ensure retrieval efficacy while maintaining computational efficiency. Existing VDR models struggle to…

Computer Vision and Pattern Recognition · Computer Science 2026-03-17 Fengbin Zhu , Zijing Cai , Yuzhe Wang , Pengyang Shao , Wenjie Wang , Fuli Feng , Richang Hong , Tat-Seng Chua

We introduce a lightweight network to improve descriptors of keypoints within the same image. The network takes the original descriptors and the geometric properties of keypoints as the input, and uses an MLP-based self-boosting stage and a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-29 Xinjiang Wang , Zeyu Liu , Yu Hu , Wei Xi , Wenxian Yu , Danping Zou

Existing feature filters rely on statistical pair-wise dependence metrics to model feature-target relationships, but this approach may fail when the target depends on higher-order feature interactions rather than individual contributions.…

Machine Learning · Computer Science 2025-10-07 Taurai Muvunza , Egor Kraev , Pere Planell-Morell , Alexander Y. Shestopaloff

In the large-scale image retrieval task, the two most important requirements are the discriminability of image representations and the efficiency in computation and storage of representations. Regarding the former requirement, Convolutional…

Computer Vision and Pattern Recognition · Computer Science 2019-03-07 Thanh-Toan Do , Tuan Hoang , Dang-Khoa Le Tan , Huu Le , Tam V. Nguyen , Ngai-Man Cheung

Person re-identification addresses the problem of matching pedestrian images across disjoint camera views. Design of feature descriptor and distance metric learning are the two fundamental tasks in person re-identification. In this paper,…

Computer Vision and Pattern Recognition · Computer Science 2019-10-10 T M Feroz Ali , Kalpesh K Patel , Rajbabu Velmurugan , Subhasis Chaudhuri

Image classification has traditionally relied on parameter-intensive model training, requiring large-scale annotated datasets and extensive fine tuning to achieve competitive performance. While recent vision language models (VLMs) alleviate…

Computer Vision and Pattern Recognition · Computer Science 2025-09-19 Wonduk Seo , Minhyeong Yu , Hyunjin An , Seunghyun Lee

This paper addresses the problem of selecting appearance features for multiple object tracking (MOT) in urban scenes. Over the years, a large number of features has been used for MOT. However, it is not clear whether some of them are better…

Computer Vision and Pattern Recognition · Computer Science 2020-10-16 Mehdi Miah , Justine Pepin , Nicolas Saunier , Guillaume-Alexandre Bilodeau

This paper presents MEMROC (Multi-Eye to Mobile RObot Calibration), a novel motion-based calibration method that simplifies the process of accurately calibrating multiple cameras relative to a mobile robot's reference frame. MEMROC utilizes…

Robotics · Computer Science 2024-10-14 Davide Allegro , Matteo Terreran , Stefano Ghidoni

Visual localization is a fundamental task for a wide range of applications in the field of robotics. Yet, it is still a complex problem with no universal solution, and the existing approaches are difficult to scale: most state-of-the-art…