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Image search and retrieval engines rely heavily on textual annotation in order to match word queries to a set of candidate images. A system that can automatically annotate images with meaningful text can be highly beneficial for such…

Computer Vision and Pattern Recognition · Computer Science 2017-05-16 Amara Tariq , Hassan Foroosh

Intrinsic Image Decomposition (IID) is a challenging and interesting computer vision problem with various applications in several fields. We present novel semantic priors and an integrated approach for single image IID that involves…

Computer Vision and Pattern Recognition · Computer Science 2019-06-07 Saurabh Saini , P. J. Narayanan

Cross-modal retrieval between videos and texts has attracted growing attentions due to the rapid emergence of videos on the web. The current dominant approach for this problem is to learn a joint embedding space to measure cross-modal…

Computer Vision and Pattern Recognition · Computer Science 2020-03-03 Shizhe Chen , Yida Zhao , Qin Jin , Qi Wu

In this paper, we introduce SemHiTok, a unified image Tokenizer via Semantic-Guided Hierarchical codebook that provides consistent discrete representations for multimodal understanding and generation. Recently, unified image tokenizers have…

Computer Vision and Pattern Recognition · Computer Science 2026-03-03 Zisheng Chen , Chunwei Wang , Runhui Huang , Hongbin Xu , Xiuwei Chen , Jun Zhou , Jianhua Han , Hang Xu , Xiaodan Liang

Traditional retrieval methods have been essential for assessing document similarity but struggle with capturing semantic nuances. Despite advancements in latent semantic analysis (LSA) and deep learning, achieving comprehensive semantic…

Information Retrieval · Computer Science 2024-09-27 Solmaz Seyed Monir , Irene Lau , Shubing Yang , Dongfang Zhao

Internet image collections containing photos captured by crowds of photographers show promise for enabling digital exploration of large-scale tourist landmarks. However, prior works focus primarily on geometric reconstruction and…

Computer Vision and Pattern Recognition · Computer Science 2024-08-06 Chen Dudai , Morris Alper , Hana Bezalel , Rana Hanocka , Itai Lang , Hadar Averbuch-Elor

The ImageNet hierarchy provides a structured taxonomy of object categories, offering a valuable lens through which to analyze the representations learned by deep vision models. In this work, we conduct a comprehensive analysis of how vision…

Computer Vision and Pattern Recognition · Computer Science 2025-05-23 Matthew Lyle Olson , Musashi Hinck , Neale Ratzlaff , Changbai Li , Phillip Howard , Vasudev Lal , Shao-Yen Tseng

Cross-modal hashing has been receiving increasing interests for its low storage cost and fast query speed in multi-modal data retrievals. However, most existing hashing methods are based on hand-crafted or raw level features of objects,…

Machine Learning · Computer Science 2019-05-14 Xuanwu Liu , Guoxian Yu , Carlotta Domeniconi , Jun Wang , Yazhou Ren , Maozu Guo

Vector retrieval systems exhibit significant performance variance across queries due to heterogeneous embedding quality. We propose a lightweight framework for predicting retrieval performance at the query level by combining quantization…

Information Retrieval · Computer Science 2025-07-09 Y. Du

Recent work shows that documents from encyclopedias serve as helpful auxiliary information for zero-shot learning. Existing methods align the entire semantics of a document with corresponding images to transfer knowledge. However, they…

Computer Vision and Pattern Recognition · Computer Science 2024-07-24 Xiangyan Qu , Jing Yu , Keke Gai , Jiamin Zhuang , Yuanmin Tang , Gang Xiong , Gaopeng Gou , Qi Wu

We propose an attentive local feature descriptor suitable for large-scale image retrieval, referred to as DELF (DEep Local Feature). The new feature is based on convolutional neural networks, which are trained only with image-level…

Computer Vision and Pattern Recognition · Computer Science 2018-02-06 Hyeonwoo Noh , Andre Araujo , Jack Sim , Tobias Weyand , Bohyung Han

Many approaches to semantic image hashing have been formulated as supervised learning problems that utilize images and label information to learn the binary hash codes. However, large-scale labeled image data is expensive to obtain, thus…

Computer Vision and Pattern Recognition · Computer Science 2019-01-29 Vijetha Gattupalli , Yaoxin Zhuo , Baoxin Li

Understanding what knowledge is implicitly encoded in deep learning models is essential for improving the interpretability of AI systems. This paper examines common methods to explain the knowledge encoded in word embeddings, which are core…

Computation and Language · Computer Science 2025-08-20 Hanna Herasimchyk , Alhassan Abdelhalim , Sören Laue , Michaela Regneri

Named Entity Recognition is one of the most important text processing requirement in many NLP tasks. In this paper we use a deep architecture to accomplish the task of recognizing named entities in a given Hindi text sentence. Bidirectional…

Computation and Language · Computer Science 2019-11-06 Bansi Shah , Sunil Kumar Kopparapu

Hierarchical classification problems are commonly seen in practice. However, most existing methods do not fully utilize the hierarchical information among class labels. In this paper, a novel label embedding approach is proposed, which…

Methodology · Statistics 2020-07-23 Yiwei Fan , Xiaoling Lu , Yufeng Liu , Junlong Zhao

Nowadays the measure between heterogeneous data is still an open problem for cross-modal retrieval. The core of cross-modal retrieval is how to measure the similarity between different types of data. Many approaches have been developed to…

Computer Vision and Pattern Recognition · Computer Science 2022-01-31 Haoming Zhang , Xiao-Jun Wu , Tianyang Xu , Donglin Zhang

As an ubiquitous method in natural language processing, word embeddings are extensively employed to map semantic properties of words into a dense vector representation. They capture semantic and syntactic relations among words but the…

Computation and Language · Computer Science 2020-07-03 Lutfi Kerem Senel , Ihsan Utlu , Furkan Şahinuç , Haldun M. Ozaktas , Aykut Koç

Several SLAM methods benefit from the use of semantic information. Most integrate photometric methods with high-level semantics such as object detection and semantic segmentation. We propose that adding a semantic segmentation decoder in a…

Computer Vision and Pattern Recognition · Computer Science 2022-11-03 Gabriel S. Gama , Nícolas S. Rosa , Valdir Grassi

How to obtain hierarchical representations with an increasing level of abstraction becomes one of the key issues of learning with deep neural networks. A variety of RNN models have recently been proposed to incorporate both explicit and…

Computation and Language · Computer Science 2022-01-25 Zhaoxin Luo , Michael Zhu

Text embedding models enable semantic search, powering several NLP applications like Retrieval Augmented Generation by efficient information retrieval (IR). However, text embedding models are commonly studied in scenarios where the training…

Information Retrieval · Computer Science 2025-10-07 Dipam Goswami , Liying Wang , Bartłomiej Twardowski , Joost van de Weijer