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Localizing text in low-light environments is challenging due to visual degradations. Although a straightforward solution involves a two-stage pipeline with low-light image enhancement (LLE) as the initial step followed by detector, LLE is…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Chengpei Xu , Hao Fu , Long Ma , Wenjing Jia , Chengqi Zhang , Feng Xia , Xiaoyu Ai , Binghao Li , Wenjie Zhang

Frame selection is crucial due to high frame redundancy and limited context windows when applying Large Vision-Language Models (LVLMs) to long videos. Current methods typically select frames with high relevance to a given query, resulting…

Computer Vision and Pattern Recognition · Computer Science 2026-03-18 Wang Chen , Yuhui Zeng , Yongdong Luo , Tianyu Xie , Luojun Lin , Jiayi Ji , Yan Zhang , Xiawu Zheng

In this paper we tackle the cross-modal video retrieval problem and, more specifically, we focus on text-to-video retrieval. We investigate how to optimally combine multiple diverse textual and visual features into feature pairs that lead…

Computer Vision and Pattern Recognition · Computer Science 2022-11-22 Damianos Galanopoulos , Vasileios Mezaris

The exponential increase in video content poses significant challenges in terms of efficient navigation, search, and retrieval, thus requiring advanced video summarization techniques. Existing video summarization methods, which heavily rely…

Computer Vision and Pattern Recognition · Computer Science 2025-06-06 Min Jung Lee , Dayoung Gong , Minsu Cho

We present a method for matching a text sentence from a given corpus to a given video clip and vice versa. Traditionally video and text matching is done by learning a shared embedding space and the encoding of one modality is independent of…

Computer Vision and Pattern Recognition · Computer Science 2021-10-22 Ameen Ali , Idan Schwartz , Tamir Hazan , Lior Wolf

We introduce an approach to generating videos based on a series of given language descriptions. Frames of the video are generated sequentially and optimized by guidance from the CLIP image-text encoder; iterating through language…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Peter Schaldenbrand , Zhixuan Liu , Jean Oh

Most existing cross-modal language-to-video retrieval (VR) research focuses on single-modal input from video, i.e., visual representation, while the text is omnipresent in human environments and frequently critical to understand video. To…

Computer Vision and Pattern Recognition · Computer Science 2023-05-08 Weijia Wu , Yuzhong Zhao , Zhuang Li , Jiahong Li , Hong Zhou , Mike Zheng Shou , Xiang Bai

In this paper we introduce a script identification method based on hand-crafted texture features and an artificial neural network. The proposed pipeline achieves near state-of-the-art performance for script identification of video-text and…

Computer Vision and Pattern Recognition · Computer Science 2016-01-11 Anguelos Nicolaou , Andrew Bagdanov , Lluis Gomez-Bigorda , Dimosthenis Karatzas

In this report, we introduce a video hashing method for scalable video segment copy detection. The objective of video segment copy detection is to find the video (s) present in a large database, one of whose segments (cropped in time) is a…

Machine Learning · Computer Science 2019-11-22 Arjun Krishna , A S Akil Arif Ibrahim

Dominant pre-training work for video-text retrieval mainly adopt the "dual-encoder" architectures to enable efficient retrieval, where two separate encoders are used to contrast global video and text representations, but ignore detailed…

Computer Vision and Pattern Recognition · Computer Science 2022-04-27 Yuying Ge , Yixiao Ge , Xihui Liu , Alex Jinpeng Wang , Jianping Wu , Ying Shan , Xiaohu Qie , Ping Luo

We present a novel algorithm for transferring artistic styles of semantically meaningful local regions of an image onto local regions of a target video while preserving its photorealism. Local regions may be selected either fully…

Computer Vision and Pattern Recognition · Computer Science 2020-10-21 Xide Xia , Tianfan Xue , Wei-sheng Lai , Zheng Sun , Abby Chang , Brian Kulis , Jiawen Chen

The recent success of the CLIP model has shown its potential to be applied to a wide range of vision and language tasks. However this only establishes embedding space relationship of language to images, not to the video domain. In this…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Phani Krishna Uppala , Abhishek Bamotra , Shriti Priya , Vaidehi Joshi

A number of computer vision tasks exploit a succinct representation of the visual content in the form of sets of local features. Given an input image, feature extraction algorithms identify a set of keypoints and assign to each of them a…

Computer Vision and Pattern Recognition · Computer Science 2016-11-18 Luca Baroffio , Matteo Cesana , Alessandro Redondi , Marco Tagliasacchi

Video Moment Retrieval (VMR) aims to localize a specific temporal segment within an untrimmed long video given a natural language query. Existing methods often suffer from inadequate training annotations, i.e., the sentence typically…

Computer Vision and Pattern Recognition · Computer Science 2024-06-27 Weitong Cai , Jiabo Huang , Shaogang Gong , Hailin Jin , Yang Liu

In this paper we introduce a new method for text detection in natural images. The method comprises two contributions: First, a fast and scalable engine to generate synthetic images of text in clutter. This engine overlays synthetic text to…

Computer Vision and Pattern Recognition · Computer Science 2016-04-25 Ankush Gupta , Andrea Vedaldi , Andrew Zisserman

Text detection is frequently used in vision-based mobile robots when they need to interpret texts in their surroundings to perform a given task. For instance, delivery robots in multilingual cities need to be capable of doing multilingual…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Hsin-Ju Lin , Tsu-Chun Chung , Ching-Chun Hsiao , Pin-Yu Chen , Wei-Chen Chiu , Ching-Chun Huang

The recent advent of Large Language Models (LLMs) has ushered sophisticated reasoning capabilities into the realm of video through Video Large Language Models (VideoLLMs). However, VideoLLMs currently rely on a single vision encoder for all…

Computer Vision and Pattern Recognition · Computer Science 2025-06-17 Jihoon Chung , Tyler Zhu , Max Gonzalez Saez-Diez , Juan Carlos Niebles , Honglu Zhou , Olga Russakovsky

We propose VADER, a spatio-temporal matching, alignment, and change summarization method to help fight misinformation spread via manipulated videos. VADER matches and coarsely aligns partial video fragments to candidate videos using a…

Computer Vision and Pattern Recognition · Computer Science 2023-03-28 Alexander Black , Simon Jenni , Tu Bui , Md. Mehrab Tanjim , Stefano Petrangeli , Ritwik Sinha , Viswanathan Swaminathan , John Collomosse

We consider retrieving a specific temporal segment, or moment, from a video given a natural language text description. Methods designed to retrieve whole video clips with natural language determine what occurs in a video but not when. To…

Computer Vision and Pattern Recognition · Computer Science 2017-08-08 Lisa Anne Hendricks , Oliver Wang , Eli Shechtman , Josef Sivic , Trevor Darrell , Bryan Russell

Recent works have shown the effectiveness of Large Vision Language Models (VLMs or LVLMs) in image manipulation detection. However, text manipulation detection is largely missing in these studies. We bridge this knowledge gap by analyzing…

Computer Vision and Pattern Recognition · Computer Science 2025-09-15 Vidit Vidit , Pavel Korshunov , Amir Mohammadi , Christophe Ecabert , Ketan Kotwal , Sébastien Marcel