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Related papers: Image Retrieval based on Bag-of-Words model

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Word embedding models learn semantically rich vector representations of words and are widely used to initialize natural processing language (NLP) models. The popular continuous bag-of-words (CBOW) model of word2vec learns a vector embedding…

Computation and Language · Computer Science 2020-06-02 Shashank Sonkar , Andrew E. Waters , Richard G. Baraniuk

Recognition of handwritten words continues to be an important problem in document analysis and recognition. Existing approaches extract hand-engineered features from word images--which can perform poorly with new data sets. Recently, deep…

Computer Vision and Pattern Recognition · Computer Science 2016-12-06 Gang Chen , Yawei Li , Sargur N. Srihari

The objective of image captioning models is to bridge the gap between the visual and linguistic modalities by generating natural language descriptions that accurately reflect the content of input images. In recent years, researchers have…

Computer Vision and Pattern Recognition · Computer Science 2024-05-24 Sara Sarto , Marcella Cornia , Lorenzo Baraldi , Alessandro Nicolosi , Rita Cucchiara

The objective of this paper is to design an embedding method that maps local features describing an image (e.g. SIFT) to a higher dimensional representation useful for the image retrieval problem. First, motivated by the relationship…

Computer Vision and Pattern Recognition · Computer Science 2017-04-05 Thanh-Toan Do , Ngai-Man Cheung

While recent retrieval techniques do not limit the number of index terms, out-of-vocabulary (OOV) words are crucial in speech recognition. Aiming at retrieving information with spoken queries, we fill the gap between speech recognition and…

Computation and Language · Computer Science 2007-05-23 Atsushi Fujii , Katunobu Itou , Tetsuya Ishikawa

Image-text retrieval (ITR) is a task to retrieve the relevant images/texts, given the query from another modality. The conventional dense retrieval paradigm relies on encoding images and texts into dense representations using dual-stream…

Computer Vision and Pattern Recognition · Computer Science 2023-02-07 Ziyang luo , Pu Zhao , Can Xu , Xiubo Geng , Tao Shen , Chongyang Tao , Jing Ma , Qingwen lin , Daxin Jiang

Despite the longstanding adage "an image is worth a thousand words," generating accurate hyper-detailed image descriptions remains unsolved. Trained on short web-scraped image text, vision-language models often generate incomplete…

Computer Vision and Pattern Recognition · Computer Science 2024-10-30 Roopal Garg , Andrea Burns , Burcu Karagol Ayan , Yonatan Bitton , Ceslee Montgomery , Yasumasa Onoe , Andrew Bunner , Ranjay Krishna , Jason Baldridge , Radu Soricut

We ask the question: to what extent can recent large-scale language and image generation models blend visual concepts? Given an arbitrary object, we identify a relevant object and generate a single-sentence description of the blend of the…

Computation and Language · Computer Science 2021-06-29 Songwei Ge , Devi Parikh

The introduction of embedding techniques has pushed forward significantly the Natural Language Processing field. Many of the proposed solutions have been presented for word-level encoding; anyhow, in the last years, new mechanism to treat…

Computation and Language · Computer Science 2023-04-07 Matteo Muffo , Roberto Tedesco , Licia Sbattella , Vincenzo Scotti

Supervised machine learning methods for image analysis require large amounts of labelled training data to solve computer vision problems. The recent rise of deep learning algorithms for recognising image content has led to the emergence of…

Computer Vision and Pattern Recognition · Computer Science 2021-04-20 Christoph Sager , Christian Janiesch , Patrick Zschech

Representing texts as fixed-length vectors is central to many language processing tasks. Most traditional methods build text representations based on the simple Bag-of-Words (BoW) representation, which loses the rich semantic relations…

Computation and Language · Computer Science 2017-07-19 Ruqing Zhang , Jiafeng Guo , Yanyan Lan , Jun Xu , Xueqi Cheng

Content based image retrieval, a technique which uses visual contents of image to search images from large scale image databases according to users' interests. This paper provides a comprehensive survey on recent technology used in the area…

Information Retrieval · Computer Science 2014-02-21 D. Johnvictor , G. Selvavinayagam

The ability to describe images with natural language sentences is the hallmark for image and language understanding. Such a system has wide ranging applications such as annotating images and using natural sentences to search for images.In…

Machine Learning · Computer Science 2016-01-15 Afroze Ibrahim Baqapuri

The ability to integrate context, including perceptual and temporal cues, plays a pivotal role in grounding the meaning of a linguistic utterance. In order to measure to what extent current vision-and-language models master this ability, we…

Computer Vision and Pattern Recognition · Computer Science 2022-11-21 Benno Krojer , Vaibhav Adlakha , Vibhav Vineet , Yash Goyal , Edoardo Ponti , Siva Reddy

Automatically generating a natural language description of an image is a task close to the heart of image understanding. In this paper, we present a multi-model neural network method closely related to the human visual system that…

Computer Vision and Pattern Recognition · Computer Science 2017-06-09 Zhongliang Yang , Yu-Jin Zhang , Sadaqat ur Rehman , Yongfeng Huang

This paper presents a novel approach to visual objects classification based on generating simple fuzzy classifiers using local image features to distinguish between one known class and other classes. Boosting meta learning is used to find…

Computer Vision and Pattern Recognition · Computer Science 2016-10-05 Marcin Korytkowski , Leszek Rutkowski , Rafał Scherer

Traditional neural topic models are typically optimized by reconstructing the document's Bag-of-Words (BoW) representations, overlooking contextual information and struggling with data sparsity. In this work, we propose a novel approach to…

Computation and Language · Computer Science 2026-02-23 Raymond Li , Amirhossein Abaskohi , Chuyuan Li , Gabriel Murray , Giuseppe Carenini

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

Despite the superior performance of CNN, deploying them on low computational power devices is still limited as they are typically computationally expensive. One key cause of the high complexity is the connection between the convolution…

Computer Vision and Pattern Recognition · Computer Science 2023-06-16 Firas Laakom , Jenni Raitoharju , Alexandros Iosifidis , Moncef Gabbouj

We look into the task of \emph{generalizing} word embeddings: given a set of pre-trained word vectors over a finite vocabulary, the goal is to predict embedding vectors for out-of-vocabulary words, \emph{without} extra contextual…

Computation and Language · Computer Science 2020-10-22 Zhao Jinman , Shawn Zhong , Xiaomin Zhang , Yingyu Liang