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Keyphrase extraction is the task of automatically selecting a small set of phrases that best describe a given free text document. Supervised keyphrase extraction requires large amounts of labeled training data and generalizes very poorly…

计算与语言 · 计算机科学 2018-09-07 Kamil Bennani-Smires , Claudiu Musat , Andreea Hossmann , Michael Baeriswyl , Martin Jaggi

Conversational AI assistants are becoming popular and question-answering is an important part of any conversational assistant. Using relevant utterances as features in question-answering has shown to improve both the precision and recall…

计算与语言 · 计算机科学 2020-04-09 Soham Parikh , Quaizar Vohra , Mitul Tiwari

Dense video captioning aims to generate corresponding text descriptions for a series of events in the untrimmed video, which can be divided into two sub-tasks, event detection and event captioning. Unlike previous works that tackle the two…

计算机视觉与模式识别 · 计算机科学 2023-07-24 Qi Zhang , Yuqing Song , Qin Jin

In this paper, we analyze existing feature selection methods to identify the key elements of network traffic data that allow intrusion detection. In addition, we propose a new feature selection method that addresses the challenge of…

密码学与安全 · 计算机科学 2021-06-30 Firuz Kamalov , Sherif Moussa , Rita Zgheib , Omar Mashaal

Automating the development of machine learning algorithms has the potential to unlock new breakthroughs. However, our ability to improve and evaluate algorithm discovery systems has thus far been limited by existing task suites. They suffer…

Traditional event detection classifies a word or a phrase in a given sentence for a set of predefined event types. The limitation of such predefined set is that it prevents the adaptation of the event detection models to new event types. We…

机器学习 · 计算机科学 2019-10-28 Viet Dac Lai , Thien Huu Nguyen

Extraction of local feature descriptors is a vital stage in the solution pipelines for numerous computer vision tasks. Learning-based approaches improve performance in certain tasks, but still cannot replace handcrafted features in general.…

计算机视觉与模式识别 · 计算机科学 2018-04-19 Kun He , Yan Lu , Stan Sclaroff

Significant performance gains in deep learning coupled with the exponential growth of image and video data on the Internet have resulted in the recent emergence of automated image captioning systems. Ensuring scalability of automated image…

计算机视觉与模式识别 · 计算机科学 2016-06-07 Karan Sharma , Arun CS Kumar , Suchendra Bhandarkar

Object detection in videos plays a crucial role in advancing applications such as public safety and anomaly detection. Existing methods have explored different techniques, including CNN, deep learning, and Transformers, for object detection…

计算机视觉与模式识别 · 计算机科学 2025-03-11 Badhan Chandra Das , M. Hadi Amini , Yanzhao Wu

Automatically generating descriptive captions for images is a well-researched area in computer vision. However, existing evaluation approaches focus on measuring the similarity between two sentences disregarding fine-grained semantics of…

计算机视觉与模式识别 · 计算机科学 2019-08-07 Philipp Harzig , Dan Zecha , Rainer Lienhart , Carolin Kaiser , René Schallner

Feature selection aims to identify the optimal feature subset for enhancing downstream models. Effective feature selection can remove redundant features, save computational resources, accelerate the model learning process, and improve the…

机器学习 · 计算机科学 2024-12-19 Nanxu Gong , Wangyang Ying , Dongjie Wang , Yanjie Fu

Image captioning, a fundamental task in vision-language understanding, seeks to generate accurate natural language descriptions for provided images. Current image captioning approaches heavily rely on high-quality image-caption pairs, which…

计算机视觉与模式识别 · 计算机科学 2023-11-03 Chuanyang Jin

We present a technique for automatically generating features for data-driven program analyses. Recently data-driven approaches for building a program analysis have been proposed, which mine existing codebases and automatically learn…

编程语言 · 计算机科学 2017-01-02 Kwonsoo Chae , Hakjoo Oh , Kihong Heo , Hongseok Yang

Automatic description generation from natural images is a challenging problem that has recently received a large amount of interest from the computer vision and natural language processing communities. In this survey, we classify the…

Feature selection is essential for effective visual recognition. We propose an efficient joint classifier learning and feature selection method that discovers sparse, compact representations of input features from a vast sea of candidates,…

计算机视觉与模式识别 · 计算机科学 2015-12-03 Marius Leordeanu , Alexandra Radu , Shumeet Baluja , Rahul Sukthankar

More than ever, technical inventions are the symbol of our society's advance. Patents guarantee their creators protection against infringement. For an invention being patentable, its novelty and inventiveness have to be assessed. Therefore,…

信息检索 · 计算机科学 2019-03-06 Lea Helmers , Franziska Horn , Franziska Biegler , Tim Oppermann , Klaus-Robert Müller

Image caption generation is one of the most challenging problems at the intersection of vision and language domains. In this work, we propose a realistic captioning task where the input scenes may incorporate visual objects with no…

计算机视觉与模式识别 · 计算机科学 2022-07-04 Berkan Demirel , Ramazan Gokberk Cinbis

Feature missing is a serious problem in many applications, which may lead to low quality of training data and further significantly degrade the learning performance. While feature acquisition usually involves special devices or complex…

机器学习 · 计算机科学 2018-06-06 Sheng-Jun Huang , Miao Xu , Ming-Kun Xie , Masashi Sugiyama , Gang Niu , Songcan Chen

Topic modelling is a popular unsupervised method for identifying the underlying themes in document collections that has many applications in information retrieval. A topic is usually represented by a list of terms ranked by their…

信息检索 · 计算机科学 2020-06-02 Areej Alokaili , Nikolaos Aletras , Mark Stevenson

Given an image, generating its natural language description (i.e., caption) is a well studied problem. Approaches proposed to address this problem usually rely on image features that are difficult to interpret. Particularly, these image…

计算机视觉与模式识别 · 计算机科学 2020-07-24 Aditya Mogadala , Xiaoyu Shen , Dietrich Klakow