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Image-text retrieval is one of the major tasks of cross-modal retrieval. Several approaches for this task map images and texts into a common space to create correspondences between the two modalities. However, due to the content (semantics)…

计算机视觉与模式识别 · 计算机科学 2023-05-01 Xu Zhang , Xinzheng Niu , Philippe Fournier-Viger , Xudong Dai

Sign Language Translation (SLT) is a core task in the field of AI-assisted disability. Traditional SLT methods are typically based on visible light videos, which are easily affected by factors such as lighting variations, rapid hand…

计算机视觉与模式识别 · 计算机科学 2025-12-01 Shiao Wang , Xiao Wang , Duoqing Yang , Yao Rong , Fuling Wang , Jianing Li , Lin Zhu , Bo Jiang

Sign language to text is a crucial technology that can break down communication barriers for individuals with hearing difficulties. We replicate and try to improve on a recently published study. We evaluate models using BLEU and rBLEU…

计算与语言 · 计算机科学 2024-02-13 Parsheeta Roy , Ji-Eun Han , Srishti Chouhan , Bhaavanaa Thumu

Inspired by recent developments in natural language processing, we propose a novel approach to sign language processing based on phonological properties validated by American Sign Language users. By taking advantage of datasets composed of…

计算与语言 · 计算机科学 2024-07-25 Federico Tavella , Aphrodite Galata , Angelo Cangelosi

Video action recognition is a challenging but important task for understanding and discovering what the video does. However, acquiring annotations for a video is costly, and semi-supervised learning (SSL) has been studied to improve…

计算机视觉与模式识别 · 计算机科学 2025-03-05 Seokun Kang , Taehwan Kim

Unlike spoken languages where the use of prosodic features to convey emotion is well studied, indicators of emotion in sign language remain poorly understood, creating communication barriers in critical settings. Sign languages present…

计算机视觉与模式识别 · 计算机科学 2025-05-26 Phoebe Chua , Cathy Mengying Fang , Takehiko Ohkawa , Raja Kushalnagar , Suranga Nanayakkara , Pattie Maes

Most existing methods in vision-language retrieval match two modalities by either comparing their global feature vectors which misses sufficient information and lacks interpretability, detecting objects in images or videos and aligning the…

计算机视觉与模式识别 · 计算机科学 2022-10-04 Xiaohan Zou , Changqiao Wu , Lele Cheng , Zhongyuan Wang

We address the problem of cross-modal fine-grained action retrieval between text and video. Cross-modal retrieval is commonly achieved through learning a shared embedding space, that can indifferently embed modalities. In this paper, we…

计算机视觉与模式识别 · 计算机科学 2019-08-12 Michael Wray , Diane Larlus , Gabriela Csurka , Dima Damen

Sign language processing technology development relies on extensive and reliable datasets, instructions, and ethical guidelines. We present a comprehensive Azerbaijani Sign Language Dataset (AzSLD) collected from diverse sign language users…

计算与语言 · 计算机科学 2025-01-16 Nigar Alishzade , Jamaladdin Hasanov

Exploring open-vocabulary video action recognition is a promising venture, which aims to recognize previously unseen actions within any arbitrary set of categories. Existing methods typically adapt pretrained image-text models to the video…

计算机视觉与模式识别 · 计算机科学 2023-12-06 Chengyou Jia , Minnan Luo , Xiaojun Chang , Zhuohang Dang , Mingfei Han , Mengmeng Wang , Guang Dai , Sizhe Dang , Jingdong Wang

We address the problem of text-based activity retrieval in video. Given a sentence describing an activity, our task is to retrieve matching clips from an untrimmed video. To capture the inherent structures present in both text and video, we…

计算机视觉与模式识别 · 计算机科学 2018-12-27 Huijuan Xu , Kun He , Bryan A. Plummer , Leonid Sigal , Stan Sclaroff , Kate Saenko

Sign Language Assessment (SLA) tools are useful to aid in language learning and are underdeveloped. Previous work has focused on isolated signs or comparison against a single reference video to assess Sign Languages (SL). This paper…

Machine learning models fundamentally rely on large quantities of high-quality data. Collecting the necessary data for these models can be challenging due to cost, scarcity, and privacy restrictions. Signed languages are visual languages…

计算与语言 · 计算机科学 2025-06-12 Harry Walsh , Maksym Ivashechkin , Richard Bowden

Sign Language Translation (SLT) aims to convert sign language videos into spoken or written text. While early systems relied on gloss annotations as an intermediate supervision, such annotations are costly to obtain and often fail to…

计算机视觉与模式识别 · 计算机科学 2025-07-15 Ozge Mercanoglu Sincan , Richard Bowden

We address the task of zero-shot video classification for extremely fine-grained actions (e.g., Windmill Dunk in basketball), where no video examples or temporal annotations are available for unseen classes. While image-language models…

计算机视觉与模式识别 · 计算机科学 2025-10-21 Amir Aghdam , Vincent Tao Hu , Björn Ommer

American Sign Language recognition is a difficult gesture recognition problem, characterized by fast, highly articulate gestures. These are comprised of arm movements with different hand shapes, facial expression and head movements. Among…

计算机视觉与模式识别 · 计算机科学 2020-03-20 Al Amin Hosain , Panneer Selvam Santhalingam , Parth Pathak , Huzefa Rangwala , Jana Kosecka

Automatic sign language recognition (SLR) has become a key enabler of inclusive human-computer interaction, fostering seamless communication between deaf individuals and hearing communities. Despite significant advances in multimodal…

人机交互 · 计算机科学 2026-05-08 Xiaofang Xiao , Guangchao Li , Guangrong Zhao , Qi Lin , Wen Ma , Hongkai Wen , Yanxiang Wang , Yiran Shen

We address the challenging task of cross-modal moment retrieval, which aims to localize a temporal segment from an untrimmed video described by a natural language query. It poses great challenges over the proper semantic alignment between…

计算机视觉与模式识别 · 计算机科学 2022-08-22 Kun Liu , Huadong Ma , Chuang Gan

Effective cross-modal retrieval is essential for applications like information retrieval and recommendation systems, particularly in specialized domains such as manufacturing, where product information often consists of visual samples…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Francesco Giuliari , Asif Khan Pattan , Mohamed Lamine Mekhalfi , Fabio Poiesi

Image-text matching is gaining a leading role among tasks involving the joint understanding of vision and language. In literature, this task is often used as a pre-training objective to forge architectures able to jointly deal with images…

计算机视觉与模式识别 · 计算机科学 2022-08-01 Nicola Messina , Matteo Stefanini , Marcella Cornia , Lorenzo Baraldi , Fabrizio Falchi , Giuseppe Amato , Rita Cucchiara