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Cropping high-resolution document images into multiple sub-images is the most widely used approach for current Multimodal Large Language Models (MLLMs) to do document understanding. Most of current document understanding methods preserve…

Computer Vision and Pattern Recognition · Computer Science 2024-07-22 Renshan Zhang , Yibo Lyu , Rui Shao , Gongwei Chen , Weili Guan , Liqiang Nie

Efficient tokenization of videos remains a challenge in training vision models that can process long videos. One promising direction is to develop a tokenizer that can encode long video clips, as it would enable the tokenizer to leverage…

Computer Vision and Pattern Recognition · Computer Science 2025-04-04 Huiwon Jang , Sihyun Yu , Jinwoo Shin , Pieter Abbeel , Younggyo Seo

Video stereo matching is the task of estimating consistent disparity maps from rectified stereo videos. There is considerable scope for improvement in both datasets and methods within this area. Recent learning-based methods often focus on…

Computer Vision and Pattern Recognition · Computer Science 2026-03-31 Junpeng Jing , Ye Mao , Anlan Qiu , Krystian Mikolajczyk

Recently, data-driven task-oriented dialogue systems have achieved promising performance in English. However, developing dialogue systems that support low-resource languages remains a long-standing challenge due to the absence of…

Computation and Language · Computer Science 2019-11-22 Zihan Liu , Genta Indra Winata , Zhaojiang Lin , Peng Xu , Pascale Fung

Although diffusion-based zero-shot image restoration and enhancement methods have achieved great success, applying them to video restoration or enhancement will lead to severe temporal flickering. In this paper, we propose the first…

Computer Vision and Pattern Recognition · Computer Science 2026-01-30 Cong Cao , Huanjing Yue , Shangbin Xie , Xin Liu , Jingyu Yang

Despite the advances in the field of generative models in computer vision, video stabilization still lacks a pure regressive deep-learning-based formulation. Deep video stabilization is generally formulated with the help of explicit motion…

Computer Vision and Pattern Recognition · Computer Science 2021-10-25 Muhammad Kashif Ali , Sangjoon Yu , Tae Hyun Kim

Existing video deraining methods are often trained on paired datasets, either synthetic, which limits their ability to generalize to real-world rain, or captured by static cameras, which restricts their effectiveness in dynamic scenes with…

Computer Vision and Pattern Recognition · Computer Science 2026-02-03 Tuomas Varanka , Juan Luis Gonzalez , Hyeongwoo Kim , Pablo Garrido , Xu Yao

Models that rely on subword tokenization have significant drawbacks, such as sensitivity to character-level noise like spelling errors and inconsistent compression rates across different languages and scripts. While character- or byte-level…

Computation and Language · Computer Science 2025-04-03 Julie Kallini , Shikhar Murty , Christopher D. Manning , Christopher Potts , Róbert Csordás

Previous text-guided video editing methods often suffer from temporal inconsistency, motion distortion, and-most notably-limited domain transformation. We attribute these limitations to insufficient modeling of spatiotemporal pixel…

Computer Vision and Pattern Recognition · Computer Science 2025-07-01 Junsung Lee , Junoh Kang , Bohyung Han

Discrete video VAEs underpin modern text-to-video generation and video understanding systems, yet existing tokenizers typically learn visual codebooks at a single scale with limited vocabularies and shallow language supervision, leading to…

Computer Vision and Pattern Recognition · Computer Science 2026-02-24 Onkar Susladkar , Tushar Prakash , Adheesh Juvekar , Kiet A. Nguyen , Dong-Hwan Jang , Inderjit S Dhillon , Ismini Lourentzou

Given an untrimmed video and a language query depicting a specific temporal moment in the video, video grounding aims to localize the time interval by understanding the text and video simultaneously. One of the most challenging issues is an…

Computer Vision and Pattern Recognition · Computer Science 2022-10-25 Dahye Kim , Jungin Park , Jiyoung Lee , Seongheon Park , Kwanghoon Sohn

Stable diffusion is an outstanding image generation model for text-to-image, but its time-consuming generation process remains a challenge due to the quadratic complexity of attention operations. Recent token merging methods improve…

Computer Vision and Pattern Recognition · Computer Science 2025-07-18 Min-Jeong Lee , Hee-Dong Kim , Seong-Whan Lee

Although promising results have been achieved in video captioning, existing models are limited to the fixed inventory of activities in the training corpus, and do not generalize to open vocabulary scenarios. Here we introduce a novel task,…

Computation and Language · Computer Science 2018-11-27 Xin Wang , Jiawei Wu , Da Zhang , Yu Su , William Yang Wang

Multi-modal learning from video data has seen increased attention recently as it allows to train semantically meaningful embeddings without human annotation enabling tasks like zero-shot retrieval and classification. In this work, we…

Computer Vision and Pattern Recognition · Computer Science 2022-08-19 Nina Shvetsova , Brian Chen , Andrew Rouditchenko , Samuel Thomas , Brian Kingsbury , Rogerio Feris , David Harwath , James Glass , Hilde Kuehne

The exponential growth of Large Multimodal Models (LMMs) has driven advancements in cross-modal reasoning but at significant computational costs. In this work, we focus on visual language models. We highlight the redundancy and inefficiency…

Computer Vision and Pattern Recognition · Computer Science 2025-04-28 Yasmine Omri , Parth Shroff , Thierry Tambe

Large text-to-image diffusion models have achieved remarkable success in generating diverse, high-quality images. Additionally, these models have been successfully leveraged to edit input images by just changing the text prompt. But when…

Computer Vision and Pattern Recognition · Computer Science 2023-08-11 Anant Khandelwal

In this report we present an unsupervised image registration framework, using a pre-trained deep neural network as a feature extractor. We refer this to zero-shot learning, due to nonoverlap between training and testing dataset (none of the…

Computer Vision and Pattern Recognition · Computer Science 2019-08-20 Avinash Kori , Ganapathi Krishnamurthi

Zero-shot action recognition, which addresses the issue of scalability and generalization in action recognition and allows the models to adapt to new and unseen actions dynamically, is an important research topic in computer vision…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Jidong Kuang , Hongsong Wang , Chaolei Han , Yang Zhang , Jie Gui

Document Layout Analysis is crucial for real-world document understanding systems, but it encounters a challenging trade-off between speed and accuracy: multimodal methods leveraging both text and visual features achieve higher accuracy but…

Computer Vision and Pattern Recognition · Computer Science 2024-10-17 Zhiyuan Zhao , Hengrui Kang , Bin Wang , Conghui He

We propose a zero-shot approach to image harmonization, aiming to overcome the reliance on large amounts of synthetic composite images in existing methods. These methods, while showing promising results, involve significant training…

Computer Vision and Pattern Recognition · Computer Science 2024-03-12 Jianqi Chen , Yilan Zhang , Zhengxia Zou , Keyan Chen , Zhenwei Shi