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Videomicroscopy, when combined with machine learning, offers a promising approach for studying the early development of in vitro produced (IVP) embryos. However, manually annotating developmental events, and more specifically cell…

Embryo selection is one of multiple crucial steps in in-vitro fertilization, commonly based on morphological assessment by clinical embryologists. Although artificial intelligence methods have demonstrated their potential to support embryo…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Nicklas Neu , Thomas Ebner , Jasmin Primus , Bernhard Schenkenfelder , Raphael Zefferer , Mathias Brunbauer , Florian Kromp

This paper does not introduce a novel method but instead establishes a straightforward, incremental, yet essential baseline for video temporal grounding (VTG), a core capability in video understanding. While multimodal large language models…

计算机视觉与模式识别 · 计算机科学 2026-03-27 Jun Zhang , Teng Wang , Yuying Ge , Yixiao Ge , Xinhao Li , Ying Shan , Limin Wang

Existing methods for instance segmentation in videos typically involve multi-stage pipelines that follow the tracking-by-detection paradigm and model a video clip as a sequence of images. Multiple networks are used to detect objects in…

计算机视觉与模式识别 · 计算机科学 2023-09-04 Ali Athar , Sabarinath Mahadevan , Aljoša Ošep , Laura Leal-Taixé , Bastian Leibe

The application of artificial intelligence (AI) in IVF has shown promise in improving consistency and standardization of decisions, but often relies on annotated data and does not make use of the multimodal nature of IVF data. We…

This paper presents VideoLoom, a unified Video Large Language Model (Video LLM) for joint spatial-temporal understanding. To facilitate the development of fine-grained spatial and temporal localization capabilities, we curate LoomData-8.7k,…

计算机视觉与模式识别 · 计算机科学 2026-01-13 Jiapeng Shi , Junke Wang , Zuyao You , Bo He , Zuxuan Wu

Embryo quality assessment after in vitro fertilization (IVF) is primarily done visually by embryologists. Variability among assessors, however, remains one of the main causes of the low success rate of IVF. This study aims to develop an…

图像与视频处理 · 电气工程与系统科学 2020-08-31 Ali Akbar Septiandri , Ade Jamal , Pritta Ameilia Iffanolida , Oki Riayati , Budi Wiweko

Cause-and-effect reasoning in video is a significant challenge for Vision-Language Models (VLMs), as it requires going beyond surface-level perception to a deeper understanding of causal mechanisms. However, existing benchmarks rarely…

计算机视觉与模式识别 · 计算机科学 2026-05-25 Mingfang Zhang , Jingjing Pan , Ashutosh Kumar , Rajat Saini , Mustafa Erdogan , Hsuan-Kung Yang , Caixin Kang , Yifei Huang , Yoichi Sato , Quan Kong

We introduce TemporalVLM, a video large language model (video LLM) for temporal reasoning and fine-grained understanding in long videos. Our approach includes a visual encoder for mapping a long-term video into features which are time-aware…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Fawad Javed Fateh , Umer Ahmed , Hamza Khan , M. Zeeshan Zia , Quoc-Huy Tran

Fetal health classification is a critical task in obstetrics, enabling early identification and management of potential health problems. However, it remains challenging due to data complexity and limited labeled samples. This research paper…

机器学习 · 计算机科学 2024-09-09 Sujith K Mandala

Human processes video reasoning in a sequential spatio-temporal reasoning logic, we first identify the relevant frames ("when") and then analyse the spatial relationships ("where") between key objects, and finally leverage these…

计算机视觉与模式识别 · 计算机科学 2025-03-17 Zixu Cheng , Jian Hu , Ziquan Liu , Chenyang Si , Wei Li , Shaogang Gong

Video temporal grounding aims to identify video segments within untrimmed videos that are most relevant to a given natural language query. Existing video temporal localization models rely on specific datasets for training and have high data…

计算机视觉与模式识别 · 计算机科学 2024-08-30 Minghang Zheng , Xinhao Cai , Qingchao Chen , Yuxin Peng , Yang Liu

This work presents a novel approach for the early recognition of the type of a laparoscopic surgery from its video. Early recognition algorithms can be beneficial to the development of 'smart' OR systems that can provide automatic…

计算机视觉与模式识别 · 计算机科学 2019-09-06 Siddharth Kannan , Gaurav Yengera , Didier Mutter , Jacques Marescaux , Nicolas Padoy

Semantic video segmentation is a key challenge for various applications. This paper presents a new model named Noisy-LSTM, which is trainable in an end-to-end manner, with convolutional LSTMs (ConvLSTMs) to leverage the temporal coherency…

计算机视觉与模式识别 · 计算机科学 2020-10-20 Bowen Wang , Liangzhi Li , Yuta Nakashima , Ryo Kawasaki , Hajime Nagahara , Yasushi Yagi

Video Temporal Grounding (VTG) strives to accurately pinpoint event timestamps in a specific video using linguistic queries, significantly impacting downstream tasks like video browsing and editing. Unlike traditional task-specific models,…

计算机视觉与模式识别 · 计算机科学 2025-02-04 Yongxin Guo , Jingyu Liu , Mingda Li , Dingxin Cheng , Xiaoying Tang , Dianbo Sui , Qingbin Liu , Xi Chen , Kevin Zhao

Multimodal Large Language Models (MLLMs) have shown strong performance in video understanding tasks. However, they continue to struggle with long-form videos because of an inefficient perception of temporal intervals. Unlike humans, who can…

计算机视觉与模式识别 · 计算机科学 2025-07-08 Chenglin Li , Qianglong Chen , fengtao , Yin Zhang

Video editing models have advanced significantly, but evaluating their performance remains challenging. Traditional metrics, such as CLIP text and image scores, often fall short: text scores are limited by inadequate training data and…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Varun Biyyala , Bharat Chanderprakash Kathuria , Jialu Li , Youshan Zhang

Video temporal grounding aims to localize relevant temporal boundaries in a video given a textual prompt. Recent work has focused on enabling Video LLMs to perform video temporal grounding via next-token prediction of temporal timestamps.…

计算机视觉与模式识别 · 计算机科学 2025-03-06 Xizi Wang , Feng Cheng , Ziyang Wang , Huiyu Wang , Md Mohaiminul Islam , Lorenzo Torresani , Mohit Bansal , Gedas Bertasius , David Crandall

Video Temporal Grounding (VTG) is a crucial capability for video understanding models and plays a vital role in downstream tasks such as video browsing and editing. To effectively handle various tasks simultaneously and enable zero-shot…

计算机视觉与模式识别 · 计算机科学 2025-03-04 Yongxin Guo , Jingyu Liu , Mingda Li , Qingbin Liu , Xi Chen , Xiaoying Tang

Infertility is a global health problem, and an increasing number of couples are seeking medical assistance to achieve reproduction, at least half of which are caused by men. The success rate of assisted reproductive technologies depends on…

计算机视觉与模式识别 · 计算机科学 2023-11-14 Takuro Fujii , Hayato Nakagawa , Teppei Takeshima , Yasushi Yumura , Tomoki Hamagami