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We investigate the problem of video Referring Expression Comprehension (REC), which aims to localize the referent objects described in the sentence to visual regions in the video frames. Despite the recent progress, existing methods suffer…

计算机视觉与模式识别 · 计算机科学 2022-08-18 Meng Cao , Ji Jiang , Long Chen , Yuexian Zou

Image captioning is shown to be able to achieve a better performance by using scene graphs to represent the relations of objects in the image. The current captioning encoders generally use a Graph Convolutional Net (GCN) to represent the…

计算机视觉与模式识别 · 计算机科学 2022-07-18 Xuewen Yang , Yingru Liu , Xin Wang

The block-based coding structure in the hybrid video coding framework inevitably introduces compression artifacts such as blocking, ringing, etc. To compensate for those artifacts, extensive filtering techniques were proposed in the loop of…

图像与视频处理 · 电气工程与系统科学 2021-05-05 Wei Jia , Li Li , Zhu Li , xiang zhang , Shan Liu

In this paper we explore the bi-directional mapping between images and their sentence-based descriptions. We propose learning this mapping using a recurrent neural network. Unlike previous approaches that map both sentences and images to a…

计算机视觉与模式识别 · 计算机科学 2014-11-21 Xinlei Chen , C. Lawrence Zitnick

The task of video captioning, that is, the automatic generation of sentences describing a sequence of actions in a video, has attracted an increasing attention recently. The complex and high-dimensional representation of video data makes it…

计算机视觉与模式识别 · 计算机科学 2020-10-13 Menatallh Hammad , May Hammad , Mohamed Elshenawy

We present a novel perspective on learning video embedders for generative modeling: rather than requiring an exact reproduction of an input video, an effective embedder should focus on synthesizing visually plausible reconstructions. This…

计算机视觉与模式识别 · 计算机科学 2025-03-12 Yitian Zhang , Long Mai , Aniruddha Mahapatra , David Bourgin , Yicong Hong , Jonah Casebeer , Feng Liu , Yun Fu

Image Captioning, or the automatic generation of descriptions for images, is one of the core problems in Computer Vision and has seen considerable progress using Deep Learning Techniques. We propose to use Inception-ResNet Convolutional…

计算机视觉与模式识别 · 计算机科学 2021-02-23 Sulabh Katiyar , Samir Kumar Borgohain

We present an approach that exploits hierarchical Recurrent Neural Networks (RNNs) to tackle the video captioning problem, i.e., generating one or multiple sentences to describe a realistic video. Our hierarchical framework contains a…

计算机视觉与模式识别 · 计算机科学 2016-04-07 Haonan Yu , Jiang Wang , Zhiheng Huang , Yi Yang , Wei Xu

This paper strives to find amidst a set of sentences the one best describing the content of a given image or video. Different from existing works, which rely on a joint subspace for their image and video caption retrieval, we propose to do…

计算机视觉与模式识别 · 计算机科学 2018-07-17 Jianfeng Dong , Xirong Li , Cees G. M. Snoek

We propose a novel method for real-time face alignment in videos based on a recurrent encoder-decoder network model. Our proposed model predicts 2D facial point heat maps regularized by both detection and regression loss, while uniquely…

计算机视觉与模式识别 · 计算机科学 2018-01-19 Xi Peng , Rogerio S. Feris , Xiaoyu Wang , Dimitris N. Metaxas

Image captioning is a challenging problem owing to the complexity in understanding the image content and diverse ways of describing it in natural language. Recent advances in deep neural networks have substantially improved the performance…

计算机视觉与模式识别 · 计算机科学 2017-04-14 Zhou Ren , Xiaoyu Wang , Ning Zhang , Xutao Lv , Li-Jia Li

Recently it has shown that the policy-gradient methods for reinforcement learning have been utilized to train deep end-to-end systems on natural language processing tasks. What's more, with the complexity of understanding image content and…

计算机视觉与模式识别 · 计算机科学 2018-09-14 Haichao Shi , Peng Li , Bo Wang , Zhenyu Wang

For many applications with limited computation, communication, storage and energy resources, there is an imperative need of computer vision methods that could select an informative subset of the input video for efficient processing at or…

计算机视觉与模式识别 · 计算机科学 2018-05-09 Shuyue Lan , Rameswar Panda , Qi Zhu , Amit K. Roy-Chowdhury

This paper presents a novel approach for temporal and semantic segmentation of edited videos into meaningful segments, from the point of view of the storytelling structure. The objective is to decompose a long video into more manageable…

计算机视觉与模式识别 · 计算机科学 2016-11-11 Lorenzo Baraldi , Costantino Grana , Rita Cucchiara

Typical techniques for video captioning follow the encoder-decoder framework, which can only focus on one source video being processed. A potential disadvantage of such design is that it cannot capture the multiple visual context…

计算机视觉与模式识别 · 计算机科学 2019-05-13 Wenjie Pei , Jiyuan Zhang , Xiangrong Wang , Lei Ke , Xiaoyong Shen , Yu-Wing Tai

Recently, deep learning approach, especially deep Convolutional Neural Networks (ConvNets), have achieved overwhelming accuracy with fast processing speed for image classification. Incorporating temporal structure with deep ConvNets for…

计算机视觉与模式识别 · 计算机科学 2015-11-12 Pingbo Pan , Zhongwen Xu , Yi Yang , Fei Wu , Yueting Zhuang

Video captioning is a challenging task since it requires generating sentences describing various diverse and complex videos. Existing video captioning models lack adequate visual representation due to the neglect of the existence of gaps…

计算机视觉与模式识别 · 计算机科学 2021-10-14 Mingkang Tang , Zhanyu Wang , Zhenhua Liu , Fengyun Rao , Dian Li , Xiu Li

In today's world, image processing plays a crucial role across various fields, from scientific research to industrial applications. But one particularly exciting application is image captioning. The potential impact of effective image…

计算机视觉与模式识别 · 计算机科学 2024-04-30 Md Alif Rahman Ridoy , M Mahmud Hasan , Shovon Bhowmick

Existing dense or paragraph video captioning approaches rely on holistic representations of videos, possibly coupled with learned object/action representations, to condition hierarchical language decoders. However, they fundamentally lack…

计算机视觉与模式识别 · 计算机科学 2024-01-10 Shih-Han Chou , James J. Little , Leonid Sigal

We propose SC-Captioner, a reinforcement learning framework that enables the self-correcting capability of image caption models. Our crucial technique lies in the design of the reward function to incentivize accurate caption corrections.…

计算机视觉与模式识别 · 计算机科学 2025-08-11 Lin Zhang , Xianfang Zeng , Kangcong Li , Gang Yu , Tao Chen