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The use of Recurrent Neural Networks for video captioning has recently gained a lot of attention, since they can be used both to encode the input video and to generate the corresponding description. In this paper, we present a recurrent…

Computer Vision and Pattern Recognition · Computer Science 2018-11-26 Lorenzo Baraldi , Costantino Grana , Rita Cucchiara

Dense video captioning is an extremely challenging task since accurate and coherent description of events in a video requires holistic understanding of video contents as well as contextual reasoning of individual events. Most existing…

Computer Vision and Pattern Recognition · Computer Science 2019-04-09 Jonghwan Mun , Linjie Yang , Zhou Ren , Ning Xu , Bohyung Han

We propose a novel extension of the encoder-decoder framework, called a review network. The review network is generic and can enhance any existing encoder- decoder model: in this paper, we consider RNN decoders with both CNN and RNN…

Machine Learning · Computer Science 2016-10-28 Zhilin Yang , Ye Yuan , Yuexin Wu , Ruslan Salakhutdinov , William W. Cohen

This paper focuses on a novel and challenging vision task, dense video captioning, which aims to automatically describe a video clip with multiple informative and diverse caption sentences. The proposed method is trained without explicit…

Computer Vision and Pattern Recognition · Computer Science 2017-04-06 Zhiqiang Shen , Jianguo Li , Zhou Su , Minjun Li , Yurong Chen , Yu-Gang Jiang , Xiangyang Xue

It is encouraged to see that progress has been made to bridge videos and natural language. However, mainstream video captioning methods suffer from slow inference speed due to the sequential manner of autoregressive decoding, and prefer…

Computer Vision and Pattern Recognition · Computer Science 2021-03-25 Bang Yang , Yuexian Zou , Fenglin Liu , Can Zhang

Recent deep-learning-based video compression methods brought coding gains over conventional codecs such as AVC and HEVC. However, learning-based codecs generally require considerable computation time and model complexity. In this paper, we…

Image and Video Processing · Electrical Eng. & Systems 2023-03-22 Hochang Rhee , Seyun Kim , Nam Ik Cho

In video captioning task, the best practice has been achieved by attention-based models which associate salient visual components with sentences in the video. However, existing study follows a common procedure which includes a frame-level…

Computer Vision and Pattern Recognition · Computer Science 2018-03-06 Yangyu Chen , Shuhui Wang , Weigang Zhang , Qingming Huang

This work presents a large-scale audio-visual speech recognition system based on a recurrent neural network transducer (RNN-T) architecture. To support the development of such a system, we built a large audio-visual (A/V) dataset of…

Audio and Speech Processing · Electrical Eng. & Systems 2019-11-13 Takaki Makino , Hank Liao , Yannis Assael , Brendan Shillingford , Basilio Garcia , Otavio Braga , Olivier Siohan

Video Referring Expression Comprehension (REC) aims to localize a target object in videos based on the queried natural language. Recent improvements in video REC have been made using Transformer-based methods with learnable queries.…

Computer Vision and Pattern Recognition · Computer Science 2023-10-26 Ji Jiang , Meng Cao , Tengtao Song , Long Chen , Yi Wang , Yuexian Zou

Recently, much advance has been made in image captioning, and an encoder-decoder framework has achieved outstanding performance for this task. In this paper, we propose an extension of the encoder-decoder framework by adding a component…

Computer Vision and Pattern Recognition · Computer Science 2018-04-04 Wenhao Jiang , Lin Ma , Xinpeng Chen , Hanwang Zhang , Wei Liu

Dense retrieval requires high-quality text sequence embeddings to support effective search in the representation space. Autoencoder-based language models are appealing in dense retrieval as they train the encoder to output high-quality…

Machine Learning · Computer Science 2021-09-17 Shuqi Lu , Di He , Chenyan Xiong , Guolin Ke , Waleed Malik , Zhicheng Dou , Paul Bennett , Tieyan Liu , Arnold Overwijk

Learning latent representations from long text sequences is an important first step in many natural language processing applications. Recurrent Neural Networks (RNNs) have become a cornerstone for this challenging task. However, the quality…

Computation and Language · Computer Science 2017-09-25 Yizhe Zhang , Dinghan Shen , Guoyin Wang , Zhe Gan , Ricardo Henao , Lawrence Carin

Video captioning is the task of automatically generating a textual description of the actions in a video. Although previous work (e.g. sequence-to-sequence model) has shown promising results in abstracting a coarse description of a short…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Xin Wang , Wenhu Chen , Jiawei Wu , Yuan-Fang Wang , William Yang Wang

Action segmentation as a milestone towards building automatic systems to understand untrimmed videos has received considerable attention in the recent years. It is typically being modeled as a sequence labeling problem but contains…

Computer Vision and Pattern Recognition · Computer Science 2017-05-23 Li Ding , Chenliang Xu

In the light of recent analyses on privacy-concerning scene revelation from visual descriptors, we develop descriptors that conceal the input image content. In particular, we propose an adversarial learning framework for training visual…

Computer Vision and Pattern Recognition · Computer Science 2022-03-30 Tony Ng , Hyo Jin Kim , Vincent Lee , Daniel DeTone , Tsun-Yi Yang , Tianwei Shen , Eddy Ilg , Vassileios Balntas , Krystian Mikolajczyk , Chris Sweeney

Image paragraph captioning aims to describe a given image with a sequence of coherent sentences. Most existing methods model the coherence through the topic transition that dynamically infers a topic vector from preceding sentences.…

Computer Vision and Pattern Recognition · Computer Science 2022-06-22 Qi Zheng , Chaoyue Wang , Dadong Wang

We propose a new encoder-decoder approach to learn distributed sentence representations that are applicable to multiple purposes. The model is learned by using a convolutional neural network as an encoder to map an input sentence into a…

Computation and Language · Computer Science 2017-07-28 Zhe Gan , Yunchen Pu , Ricardo Henao , Chunyuan Li , Xiaodong He , Lawrence Carin

Captioning models are typically trained using the cross-entropy loss. However, their performance is evaluated on other metrics designed to better correlate with human assessments. Recently, it has been shown that reinforcement learning (RL)…

Computer Vision and Pattern Recognition · Computer Science 2017-12-29 Sang Phan , Gustav Eje Henter , Yusuke Miyao , Shin'ichi Satoh

Bridging vision and natural language is a longstanding goal in computer vision and multimedia research. While earlier works focus on generating a single-sentence description for visual content, recent works have studied paragraph…

Multimedia · Computer Science 2020-05-15 Junnan Li , Yongkang Wong , Qi Zhao , Mohan S. Kankanhalli

Video Referring Expression Comprehension (REC) aims to localize a target object in video frames referred by the natural language expression. Recently, the Transformerbased methods have greatly boosted the performance limit. However, we…

Computer Vision and Pattern Recognition · Computer Science 2022-10-07 Ji Jiang , Meng Cao , Tengtao Song , Yuexian Zou