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Detecting actions in untrimmed videos should not be limited to a small, closed set of classes. We present a simple, yet effective strategy for open-vocabulary temporal action detection utilizing pretrained image-text co-embeddings. Despite…

计算机视觉与模式识别 · 计算机科学 2023-01-12 Vivek Rathod , Bryan Seybold , Sudheendra Vijayanarasimhan , Austin Myers , Xiuye Gu , Vighnesh Birodkar , David A. Ross

With the increasing growth of technology and the entrance into the digital age, we have to handle a vast amount of information every time which often presents difficulties. So, the digital information must be stored and retrieved in an…

多媒体 · 计算机科学 2012-08-15 Kamrul Hasan Talukder , Koichi Harada

Text data present in multimedia contain useful information for automatic annotation, indexing. Extracted information used for recognition of the overlay or scene text from a given video or image. The Extracted text can be used for…

信息检索 · 计算机科学 2014-04-08 Avinash N Bhute , B. B. Meshram

This paper presents an end-to-end trainable fast scene text detector, named TextBoxes, which detects scene text with both high accuracy and efficiency in a single network forward pass, involving no post-process except for a standard…

计算机视觉与模式识别 · 计算机科学 2016-11-22 Minghui Liao , Baoguang Shi , Xiang Bai , Xinggang Wang , Wenyu Liu

Text detection, the key technology for understanding scene text, has become an attractive research topic. For detecting various scene texts, researchers propose plenty of detectors with different advantages: detection-based models enjoy…

计算机视觉与模式识别 · 计算机科学 2022-01-25 Chuang Yang , Mulin Chen , Yuan Yuan , Qi Wang

The evolution of digital image manipulation, particularly with the advancement of deep generative models, significantly challenges existing deepfake detection methods, especially when the origin of the deepfake is obscure. To tackle the…

计算机视觉与模式识别 · 计算机科学 2025-01-08 Lalith Bharadwaj Baru , Rohit Boddeda , Shilhora Akshay Patel , Sai Mohan Gajapaka

Image Fusion, a technique which combines complimentary information from different images of the same scene so that the fused image is more suitable for segmentation, feature extraction, object recognition and Human Visual System. In this…

信息论 · 计算机科学 2008-12-04 R. Balasubramanian , Gaurav Bhatnagar

Segmenting an object in a video presents significant challenges. Each pixel must be accurately labelled, and these labels must remain consistent across frames. The difficulty increases when the segmentation is with arbitrary granularity,…

计算机视觉与模式识别 · 计算机科学 2025-02-20 Amirhossein Alimohammadi , Sauradip Nag , Saeid Asgari Taghanaki , Andrea Tagliasacchi , Ghassan Hamarneh , Ali Mahdavi Amiri

A manual measurement of blood vessels diameter is a conventional component of routine visual assessment of microcirculation, say, during optical capillaroscopy. However, many modern optical methods for blood flow measurements demand the…

定量方法 · 定量生物学 2017-04-21 Eugene B. Postnikov , Maria O. Tsoy , Maxim A. Kurochkin , Dmitry E. Postnov

Due to the wide distribution and usage of digital media, an important issue is protection of the digital content. There is a number of algorithms and techniques developed for the digital watermarking.In this paper, the invisible image…

多媒体 · 计算机科学 2015-02-09 Jelena Music , Ivan Knezevic , Edis Franca

In this work, we propose a semi-supervised method for short text clustering, where we represent texts as distributed vectors with neural networks, and use a small amount of labeled data to specify our intention for clustering. We design a…

计算与语言 · 计算机科学 2017-07-18 Zhiguo Wang , Haitao Mi , Abraham Ittycheriah

Breast lesion detection in ultrasound video is critical for computer-aided diagnosis. However, detecting lesion in video is quite challenging due to the blurred lesion boundary, high similarity to soft tissue and lack of video annotations.…

计算机视觉与模式识别 · 计算机科学 2019-07-17 Sihong Chen , Weiping Yu , Kai Ma , Xinlong Sun , Xiaona Lin , Desheng Sun , Yefeng Zheng

Purpose: In this paper, we present a novel approach for online object tracking in laparoscopic cholecystectomy (LC) surgical videos, targeting localisation and tracking of critical anatomical structures and instruments. Our method addresses…

计算机视觉与模式识别 · 计算机科学 2026-03-10 Subhadeep Koley , Abdolrahim Kadkhodamohammadi , Santiago Barbarisi , Danail Stoyanov , Imanol Luengo

Wavelet Transforms are a widely used technique for decomposing a signal into coefficient vectors that correspond to distinct frequency/scale bands while retaining time localization. This property enables an adaptive analysis of signals at…

应用统计 · 统计学 2025-11-05 Jack Kissell , Vijini Lakmini , Brani Vidakovic

The data-driven sparse methods such as synthesis dictionary learning (e.g., K-SVD) and sparsifying transform learning have been proven effective in image denoising. However, they are intrinsically single-scale which can lead to suboptimal…

计算机视觉与模式识别 · 计算机科学 2021-07-27 Ashkan Abbasi , Amirhassan Monadjemi , Leyuan Fang , Hossein Rabbani , Neda Noormohammadi , Yi Zhang

With advances in image recognition technology based on deep learning, automatic video analysis by Artificial Intelligence is becoming more widespread. As the amount of video used for image recognition increases, efficient compression…

计算机视觉与模式识别 · 计算机科学 2023-04-04 Takahiro Shindo , Taiju Watanabe , Kein Yamada , Hiroshi Watanabe

In this paper a new approach to image watermarking in wavelet domain is presented. The idea is to hide the watermark data in blocks of the block segmented image. Two schemes are presented based on this idea by embedding the watermark data…

信息论 · 计算机科学 2010-01-05 Hamed Dehghan , S. Ebrahim Safavi

Wavelet transforms, a powerful mathematical tool, have been widely used in different domains, including Signal and Image processing, to unravel intricate patterns, enhance data representation, and extract meaningful features from data.…

计算与语言 · 计算机科学 2025-08-04 Rana Aref Salama , Abdou Youssef , Mona Diab

This paper proposes dynamic human group detection in videos. For detecting complex groups, not only the local appearance features of in-group members but also the global context of the scene are important. Such local and global appearance…

计算机视觉与模式识别 · 计算机科学 2025-09-08 Kaname Yokoyama , Chihiro Nakatani , Norimichi Ukita

As neural networks become able to generate realistic artificial images, they have the potential to improve movies, music, video games and make the internet an even more creative and inspiring place. Yet, the latest technology potentially…

计算机视觉与模式识别 · 计算机科学 2022-09-02 Moritz Wolter , Felix Blanke , Raoul Heese , Jochen Garcke
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