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Conversational query rewriting is crucial for effective conversational search, yet traditional supervised methods require substantial labeled data, which is scarce in low-resource settings. This paper introduces Prompt-Guided In-Context…

计算与语言 · 计算机科学 2025-02-24 Raymond Wilson , Chase Carter , Cole Graham

Grammar competency estimation is essential for assessing linguistic proficiency in both written and spoken language; however, the spoken modality presents additional challenges due to its spontaneous, unstructured, and disfluent nature.…

计算与语言 · 计算机科学 2025-11-18 Sourya Dipta Das , Shubham Kumar , Kuldeep Yadav

The Audio-Visual Video Parsing task aims to identify and temporally localize the events that occur in either or both the audio and visual streams of audible videos. It often performs in a weakly-supervised manner, where only video event…

计算机视觉与模式识别 · 计算机科学 2024-06-04 Jinxing Zhou , Dan Guo , Yiran Zhong , Meng Wang

In real-world environments, AI systems often face unfamiliar scenarios without labeled data, creating a major challenge for conventional scene understanding models. The inability to generalize across unseen contexts limits the deployment of…

计算机视觉与模式识别 · 计算机科学 2025-10-31 Manjunath Prasad Holenarasipura Rajiv , B. M. Vidyavathi

Current video summarization methods rely heavily on supervised computer vision techniques, which demands time-consuming and subjective manual annotations. To overcome these limitations, we investigated self-supervised video summarization.…

计算机视觉与模式识别 · 计算机科学 2024-08-21 Tomoya Sugihara , Shuntaro Masuda , Ling Xiao , Toshihiko Yamasaki

Zero-shot video captioning requires that a model generate high-quality captions without human-annotated video-text pairs for training. State-of-the-art approaches to the problem leverage CLIP to extract visual-relevant textual prompts to…

计算机视觉与模式识别 · 计算机科学 2025-04-01 Mingkai Tian , Guorong Li , Yuankai Qi , Amin Beheshti , Javen Qinfeng Shi , Anton van den Hengel , Qingming Huang

Large language models (LLMs) have shown strong performance in zero-shot summarization, but often struggle to model document structure and identify salient information in long texts. In this work, we introduce StrucSum, a training-free…

计算与语言 · 计算机科学 2026-01-22 Haohan Yuan , Sukhwa Hong , Haopeng Zhang

Video summarization is a crucial research area that aims to efficiently browse and retrieve relevant information from the vast amount of video content available today. With the exponential growth of multimedia data, the ability to extract…

计算机视觉与模式识别 · 计算机科学 2024-04-09 Hai-Dang Huynh-Lam , Ngoc-Phuong Ho-Thi , Minh-Triet Tran , Trung-Nghia Le

Instructional videos are a common source for learning text-video or even multimodal representations by leveraging subtitles extracted with automatic speech recognition systems (ASR) from the audio signal in the videos. However, in contrast…

计算机视觉与模式识别 · 计算机科学 2024-09-10 Nina Shvetsova , Anna Kukleva , Xudong Hong , Christian Rupprecht , Bernt Schiele , Hilde Kuehne

YouTube users looking for instructions for a specific task may spend a long time browsing content trying to find the right video that matches their needs. Creating a visual summary (abridged version of a video) provides viewers with a quick…

计算机视觉与模式识别 · 计算机科学 2022-08-16 Medhini Narasimhan , Arsha Nagrani , Chen Sun , Michael Rubinstein , Trevor Darrell , Anna Rohrbach , Cordelia Schmid

Remote sensing applications increasingly rely on deep learning for scene classification. However, their performance is often constrained by the scarcity of labeled data and the high cost of annotation across diverse geographic and sensor…

计算机视觉与模式识别 · 计算机科学 2025-10-29 Ivica Dimitrovski , Vlatko Spasev , Ivan Kitanovski

Automated evaluation of text generation systems has recently seen increasing attention, particularly checking whether generated text stays truthful to input sources. Existing methods frequently rely on an evaluation using task-specific…

计算与语言 · 计算机科学 2023-05-23 Jing Fan , Dennis Aumiller , Michael Gertz

Weakly supervised video anomaly detection (WSVAD) is a challenging task. Generating fine-grained pseudo-labels based on weak-label and then self-training a classifier is currently a promising solution. However, since the existing methods…

计算机视觉与模式识别 · 计算机科学 2024-04-15 Zhiwei Yang , Jing Liu , Peng Wu

Understanding videos to localize moments with natural language often requires large expensive annotated video regions paired with language queries. To eliminate the annotation costs, we make a first attempt to train a natural language video…

计算与语言 · 计算机科学 2021-10-04 Jinwoo Nam , Daechul Ahn , Dongyeop Kang , Seong Jong Ha , Jonghyun Choi

Contrastively trained text-image models have the remarkable ability to perform zero-shot classification, that is, classifying previously unseen images into categories that the model has never been explicitly trained to identify. However,…

Recent work has proposed using Large Language Models (LLMs) to quantify narrative flow through a measure called sequentiality, which combines topic and contextual terms. A recent critique argued that the original results were confounded by…

计算与语言 · 计算机科学 2025-11-13 Amal Sunny , Advay Gupta , Vishnu Sreekumar

Recently, video scene text detection has received increasing attention due to its comprehensive applications. However, the lack of annotated scene text video datasets has become one of the most important problems, which hinders the…

计算机视觉与模式识别 · 计算机科学 2021-03-30 Jiajun Zhu , Xiufeng Jiang , Zhiwei Jia , Shugong Xu , Shan Cao

Accurate video moment retrieval (VMR) requires universal visual-textual correlations that can handle unknown vocabulary and unseen scenes. However, the learned correlations are likely either biased when derived from a limited amount of…

计算机视觉与模式识别 · 计算机科学 2023-09-06 Dezhao Luo , Jiabo Huang , Shaogang Gong , Hailin Jin , Yang Liu

Modern video summarization methods are based on deep neural networks that require a large amount of annotated data for training. However, existing datasets for video summarization are small-scale, easily leading to over-fitting of the deep…

计算机视觉与模式识别 · 计算机科学 2022-10-20 Li Haopeng , Ke Qiuhong , Gong Mingming , Tom Drummond

We present our approach to the PerAnsSumm Shared Task, which involves perspective span identification and perspective-aware summarization in community question-answering (CQA) threads. For span identification, we adopt ensemble learning…

计算与语言 · 计算机科学 2025-11-26 Kristin Qi , Youxiang Zhu , Xiaohui Liang