English
Related papers

Related papers: Incorporating Total Variation Regularization in th…

200 papers

Query by Singing/Humming (QBSH) is a Music Information Retrieval (MIR) system with small audio excerpt as query. The rising availability of digital music stipulates effective music retrieval methods. Further, MIR systems support content…

Multimedia · Computer Science 2013-01-10 Trisiladevi C. Nagavi , Nagappa U. Bhajantri

Query by Humming (QBH) is a system to provide a user with the song(s) which the user hums to the system. Current QBH method requires the extraction of onset and pitch information in order to track similarity with various versions of…

Applications · Statistics 2019-08-23 Ritwik Bhaduri , Soham Bonnerjee , Subhrajyoty Roy

Query-by-Humming (QbH) is a task that involves finding the most relevant song based on a hummed or sung fragment. Despite recent successful commercial solutions, implementing QbH systems remains challenging due to the lack of high-quality…

Sound · Computer Science 2023-12-05 Amantur Amatov , Dmitry Lamanov , Maksim Titov , Ivan Vovk , Ilya Makarov , Mikhail Kudinov

The rising availability of digital music stipulates effective categorization and retrieval methods. Real world scenarios are characterized by mammoth music collections through pertinent and non-pertinent songs with reference to the user…

Information Retrieval · Computer Science 2014-01-14 Trisiladevi C. Nagavi , Nagappa U. Bhajantri

We propose a model for errors in sung queries, a variant of the hidden Markov model (HMM). This is a solution to the problem of identifying the degree of similarity between a (typically error-laden) sung query and a potential target in a…

Artificial Intelligence · Computer Science 2011-07-04 W. P. Birmingham , C. J. Meek

Query-by-Vocal Imitation (QBV) is about searching audio files within databases using vocal imitations created by the user's voice. Since most humans can effectively communicate sound concepts through voice, QBV offers the more intuitive and…

Audio and Speech Processing · Electrical Eng. & Systems 2024-08-22 Jonathan Greif , Florian Schmid , Paul Primus , Gerhard Widmer

1D Total Variation (TV) denoising, considering the data fidelity and the Total Variation (TV) regularization, proposes a good restored signal preserving shape edges. The main issue is how to choose the weight $\lambda$ balancing those two…

Signal Processing · Electrical Eng. & Systems 2020-12-18 Zhanhao Liu , Marion Perrodin , Thomas Chambrion , Radu Stoica

Video Moment Retrieval (VMR) aims to retrieve relevant moments of an untrimmed video corresponding to the query. While cross-modal interaction approaches have shown progress in filtering out query-irrelevant information in videos, they…

Artificial Intelligence · Computer Science 2024-08-26 Chenghua Gao , Min Li , Jianshuo Liu , Junxing Ren , Lin Chen , Haoyu Liu , Bo Meng , Jitao Fu , Wenwen Su

The rapid expansion of digital information and knowledge across structured and unstructured sources has heightened the importance of Information Retrieval (IR). While dense retrieval methods have substantially improved semantic matching for…

Information Retrieval · Computer Science 2025-07-10 SeungYoon Han , Taeho Hwang , Sukmin Cho , Soyeong Jeong , Hoyun Song , Huije Lee , Jong C. Park

Total Generalized Variation (TGV) has recently been proven certainly successful in image processing for preserving sharp features as well as smooth transition variations. However, none of the existing works aims at numerically calculating…

Computational Geometry · Computer Science 2021-06-09 Zheng Liu , YanLei Li , Weina Wang , Ligang Liu , Renjie Chen

We present a general and exact formalism for finding the evolution of a quantum system subject to external telegraph noise. The various qubit decoherence rates are determined by the eigenvalues of a transfer matrix. The formalism can be…

Quantum Physics · Physics 2009-11-13 Bin Cheng , Qiang-Hua Wang , Robert Joynt

While medical imaging typically provides massive amounts of data, the extraction of relevant information for predictive diagnosis remains a difficult challenge. Functional MRI (fMRI) data, that provide an indirect measure of task-related or…

Computer Vision and Pattern Recognition · Computer Science 2011-02-22 Vincent Michel , Alexandre Gramfort , Gaël Varoquaux , Evelyn Eger , Bertrand Thirion

Hashing that projects data into binary codes has shown extraordinary talents in cross-modal retrieval due to its low storage usage and high query speed. Despite their empirical success on some scenarios, existing cross-modal hashing methods…

Computer Vision and Pattern Recognition · Computer Science 2022-09-27 Yufeng Shi , Xinge You , Jiamiao Xu , Feng Zheng , Qinmu Peng , Weihua Ou

The goal of a Question Paraphrase Retrieval (QPR) system is to retrieve equivalent questions that result in the same answer as the original question. Such a system can be used to understand and answer rare and noisy reformulations of common…

Computation and Language · Computer Science 2019-05-31 Daniele Bonadiman , Anjishnu Kumar , Arpit Mittal

Optical Music Recognition (OMR) is an important technology in music and has been researched for a long time. Previous approaches for OMR are usually based on CNN for image understanding and RNN for music symbol classification. In this…

Computation and Language · Computer Science 2023-08-21 Yixuan Li , Huaping Liu , Qiang Jin , Miaomiao Cai , Peng Li

This paper considers the constrained total variation (TV) denoising problem for complex-valued images. We extend the definition of TV seminorms for real-valued images to dealing with complex-valued ones. In particular, we introduce two…

Image and Video Processing · Electrical Eng. & Systems 2021-09-14 Yunhui Gao , Liangcai Cao

Automatic transcription of guitar strumming is an underrepresented and challenging task in Music Information Retrieval (MIR), particularly for extracting both strumming directions and chord progressions from audio signals. While existing…

Sound · Computer Science 2025-08-12 Sebastian Murgul , Johannes Schimper , Michael Heizmann

This work formulates a novel song recommender system as a matrix completion problem that benefits from collaborative filtering through Non-negative Matrix Factorization (NMF) and content-based filtering via total variation (TV) on graphs.…

Machine Learning · Statistics 2016-01-14 Kirell Benzi , Vassilis Kalofolias , Xavier Bresson , Pierre Vandergheynst

Modern video-text retrieval (VTR) models excel on in-distribution benchmarks but are highly vulnerable to real-world query shifts, where the distribution of query data deviates from the training domain, leading to a sharp performance drop.…

Information Retrieval · Computer Science 2026-04-24 Bingqing Zhang , Zhuo Cao , Heming Du , Yang Li , Xue Li , Jiajun Liu , Sen Wang

Keyframe selection is a direct way to provide verifiable visual evidence for long-video question answering (QA). Queries differ in what they require, and finding the right frames depends on knowing what to look for. Existing keyframe…

Computer Vision and Pattern Recognition · Computer Science 2026-05-25 Michal Shlapentokh-Rothman , Prachi Garg , Yu-Xiong Wang , Derek Hoiem
‹ Prev 1 2 3 10 Next ›