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Semantic code search is about finding semantically relevant code snippets for a given natural language query. In the state-of-the-art approaches, the semantic similarity between code and query is quantified as the distance of their…

Software Engineering · Computer Science 2022-01-14 Jian Gu , Zimin Chen , Martin Monperrus

String similarity models are vital for record linkage, entity resolution, and search. In this work, we present STANCE --a learned model for computing the similarity of two strings. Our approach encodes the characters of each string, aligns…

Machine Learning · Computer Science 2019-07-25 Derek Tam , Nicholas Monath , Ari Kobren , Aaron Traylor , Rajarshi Das , Andrew McCallum

Retrieval-augmented generation improves large language models by grounding outputs in external knowledge sources, reducing hallucinations and addressing knowledge cutoffs. However, standard embedding-based retrieval fails to capture the…

Information Retrieval · Computer Science 2025-12-23 Markus Ekvall , Ludvig Bergenstråhle , Patrick Truong , Ben Murrell , Joakim Lundeberg

Anomaly identification is highly dependent on the relationship between the object and the scene, as different/same object actions in same/different scenes may lead to various degrees of normality and anomaly. Therefore, object-scene…

Computer Vision and Pattern Recognition · Computer Science 2022-09-28 Hui Lv , Zhen Cui , Biao Wang , Jian Yang

Vision-language tracking has gained increasing attention in many scenarios. This task simultaneously deals with visual and linguistic information to localize objects in videos. Despite its growing utility, the development of vision-language…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Xingyu Luo , Yidong Cai , Jie Liu , Jie Tang , Gangshan Wu , Limin Wang

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

Vector databases typically rely on approximate nearest neighbor (ANN) search to retrieve the top-k closest vectors to a query in embedding space. While effective, this approach often yields semantically redundant results, missing the…

Machine Learning · Computer Science 2025-07-29 Rahul Raja , Arpita Vats

The current state of the research in landmark recognition highlights the good accuracy which can be achieved by embedding techniques, such as Fisher vector and VLAD. All these techniques do not exploit spatial information, i.e. consider all…

Computer Vision and Pattern Recognition · Computer Science 2017-04-20 Federico Magliani , Navid Mahmoudian Bidgoli , Andrea Prati

Generative retrieval has emerged as a powerful paradigm for LLM-based recommendation. However, industrial recommender systems often benefit from restricting the output space to a constrained subset of items based on business logic (e.g.…

Online multi-object tracking (MOT) is a longstanding task for computer vision and intelligent vehicle platform. At present, the main paradigm is tracking-by-detection, and the main difficulty of this paradigm is how to associate current…

Computer Vision and Pattern Recognition · Computer Science 2022-03-29 Haidong Wang , Zhiyong Li , Yaping Li , Ke Nai , Ming Wen

Scene text recognition (STR) has been an active research topic in computer vision for years. To tackle this challenging problem, numerous innovative methods have been successively proposed and incorporating linguistic knowledge into STR…

Computer Vision and Pattern Recognition · Computer Science 2022-10-18 Peng Wang , Cheng Da , Cong Yao

The task of Visual Place Recognition (VPR) aims to match a query image against references from an extensive database of images from different places, relying solely on visual cues. State-of-the-art pipelines focus on the aggregation of…

Computer Vision and Pattern Recognition · Computer Science 2024-06-28 Sergio Izquierdo , Javier Civera

We propose a novel attentive sequence to sequence translator (ASST) for clip localization in videos by natural language descriptions. We make two contributions. First, we propose a bi-directional Recurrent Neural Network (RNN) with a finely…

Computer Vision and Pattern Recognition · Computer Science 2018-08-28 Ke Ning , Linchao Zhu , Ming Cai , Yi Yang , Di Xie , Fei Wu

Despite progress in visual perception tasks such as image classification and detection, computers still struggle to understand the interdependency of objects in the scene as a whole, e.g., relations between objects or their attributes.…

Computer Vision and Pattern Recognition · Computer Science 2017-03-10 Xiaodan Liang , Lisa Lee , Eric P. Xing

Object-aware reasoning in vision-language tasks poses significant challenges for current models, particularly in handling unseen objects, reducing hallucinations, and capturing fine-grained relationships in complex visual scenes. To address…

Computer Vision and Pattern Recognition · Computer Science 2024-12-17 Antonio Carlos Rivera , Anthony Moore , Steven Robinson

Logo retrieval is a challenging problem since the definition of similarity is more subjective compared to image retrieval tasks and the set of known similarities is very scarce. To tackle this challenge, in this paper, we propose a simple…

Computer Vision and Pattern Recognition · Computer Science 2022-09-14 Feyza Yavuz , Sinan Kalkan

We demonstrate three approaches for adapting the open-source Lucene search library to perform approximate nearest-neighbor search on arbitrary dense vectors, using similarity search on word embeddings as a case study. At its core, Lucene is…

Information Retrieval · Computer Science 2019-10-29 Tommaso Teofili , Jimmy Lin

Scene text recognition (STR) is the task of recognizing character sequences in natural scenes. While there have been great advances in STR methods, current methods still fail to recognize texts in arbitrary shapes, such as heavily curved or…

Computer Vision and Pattern Recognition · Computer Science 2019-10-11 Junyeop Lee , Sungrae Park , Jeonghun Baek , Seong Joon Oh , Seonghyeon Kim , Hwalsuk Lee

Representation learning for graphs enables the application of standard machine learning algorithms and data analysis tools to graph data. Replacing discrete unordered objects such as graph nodes by real-valued vectors is at the heart of…

Machine Learning · Computer Science 2021-02-10 Konstantin Kutzkov

Localizing text in low-light environments is challenging due to visual degradations. Although a straightforward solution involves a two-stage pipeline with low-light image enhancement (LLE) as the initial step followed by detector, LLE is…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Chengpei Xu , Hao Fu , Long Ma , Wenjing Jia , Chengqi Zhang , Feng Xia , Xiaoyu Ai , Binghao Li , Wenjie Zhang