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In recent years, the research community has shown a lot of interest to panoramic images that offer a 360-degree directional perspective. Multiple data modalities can be fed, and complimentary characteristics can be utilized for more robust…

Computer Vision and Pattern Recognition · Computer Science 2023-08-21 Suresh Guttikonda , Jason Rambach

As one of the fundamental tasks in computer vision, semantic segmentation plays an important role in real world applications. Although numerous deep learning models have made notable progress on several mainstream datasets with the rapid…

Computer Vision and Pattern Recognition · Computer Science 2020-10-06 Bin Zhang , Shengjie Zhao , Rongqing Zhang

To capture the semantic graph structure from raw text, most existing summarization approaches are built on GNNs with a pre-trained model. However, these methods suffer from cumbersome procedures and inefficient computations for long-text…

Computation and Language · Computer Science 2021-10-22 Ye Liu , Jian-Guo Zhang , Yao Wan , Congying Xia , Lifang He , Philip S. Yu

As a fundamental task in computer vision, semantic segmentation is widely applied in fields such as autonomous driving, remote sensing image analysis, and medical image processing. In recent years, Transformer-based segmentation methods…

Computer Vision and Pattern Recognition · Computer Science 2025-03-31 Tai An , Weiqiang Huang , Da Xu , Qingyuan He , Jiacheng Hu , Yujia Lou

Existing techniques for text detection can be broadly classified into two primary groups: segmentation-based and regression-based methods. Segmentation models offer enhanced robustness to font variations but require intricate…

Computer Vision and Pattern Recognition · Computer Science 2023-12-27 Qingwen Bu , Sungrae Park , Minsoo Khang , Yichuan Cheng

Document chunking is a crucial component of Retrieval-Augmented Generation (RAG), as it directly affects the retrieval of relevant and precise context. Conventional fixed-length and recursive splitters often produce arbitrary, incoherent…

Information Retrieval · Computer Science 2025-12-02 Aparajitha Allamraju , Maitreya Prafulla Chitale , Hiranmai Sri Adibhatla , Rahul Mishra , Manish Shrivastava

Semantic segmentation based on sparse annotation has advanced in recent years. It labels only part of each object in the image, leaving the remainder unlabeled. Most of the existing approaches are time-consuming and often necessitate a…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 Hui Su , Yue Ye , Wei Hua , Lechao Cheng , Mingli Song

Referring Image Segmentation (RIS) consistently requires language and appearance semantics to more understand each other. The need becomes acute especially under hard situations. To achieve, existing works tend to resort to various…

Computer Vision and Pattern Recognition · Computer Science 2024-05-16 Jiaxing Yang , Lihe Zhang , Jiayu Sun , Huchuan Lu

Referring image segmentation aims to segment the image region of interest according to the given language expression, which is a typical multi-modal task. Existing methods either adopt the pixel classification-based or the learnable…

Computer Vision and Pattern Recognition · Computer Science 2023-03-23 Zhichao Wei , Xiaohao Chen , Mingqiang Chen , Siyu Zhu

Chunking strategies significantly impact the effectiveness of Retrieval-Augmented Generation (RAG) systems. Existing methods operate within fixed-granularity paradigms that rely on static boundary identification, limiting their adaptability…

Computation and Language · Computer Science 2026-02-03 Wenxuan Zhang , Yuan-Hao Jiang , Yang Cao , Yonghe Wu

Multimodal semantic segmentation has shown great potential in leveraging complementary information across diverse sensing modalities. However, existing approaches often rely on carefully designed fusion strategies that either use…

Computer Vision and Pattern Recognition · Computer Science 2026-04-06 Zelin Zhang , Kedi Li , Huiqi Liang , Tao Zhang , Chuanzhi Xu

Text segmentation, the task of dividing a document into sections, is often a prerequisite for performing additional natural language processing tasks. Existing text segmentation methods have typically been developed and tested using clean,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-21 Carol Anderson , Phil Crone

3D semantic segmentation is a fundamental building block for several scene understanding applications such as autonomous driving, robotics and AR/VR. Several state-of-the-art semantic segmentation models suffer from the part…

Computer Vision and Pattern Recognition · Computer Science 2021-11-17 Anirud Thyagharajan , Benjamin Ummenhofer , Prashant Laddha , Om J Omer , Sreenivas Subramoney

Chunking information is a key step in Retrieval Augmented Generation (RAG). Current research primarily centers on paragraph-level chunking. This approach treats all texts as equal and neglects the information contained in the structure of…

Computation and Language · Computer Science 2024-03-19 Antonio Jimeno Yepes , Yao You , Jan Milczek , Sebastian Laverde , Renyu Li

While Retrieval-Augmented Generation (RAG) has emerged as a promising paradigm for boosting large language models (LLMs) in knowledge-intensive tasks, it often overlooks the crucial aspect of text chunking within its workflow. This paper…

Computation and Language · Computer Science 2025-05-22 Jihao Zhao , Zhiyuan Ji , Yuchen Feng , Pengnian Qi , Simin Niu , Bo Tang , Feiyu Xiong , Zhiyu Li

Text segmentation, the task of dividing a document into contiguous segments based on its semantic structure, is a longstanding challenge in language understanding. Previous work on text segmentation focused on unsupervised methods such as…

Computation and Language · Computer Science 2018-03-28 Omri Koshorek , Adir Cohen , Noam Mor , Michael Rotman , Jonathan Berant

Understanding documents with rich layouts is an essential step towards information extraction. Business intelligence processes often require the extraction of useful semantic content from documents at a large scale for subsequent…

Computer Vision and Pattern Recognition · Computer Science 2022-09-22 Sanket Biswas , Ayan Banerjee , Josep Lladós , Umapada Pal

Retrieval-Augmented Generation (RAG) systems lose retrieval accuracy when similar documents coexist in the vector database, causing unnecessary information, hallucinations, and factual errors. To alleviate this issue, we propose CHOP, a…

Computation and Language · Computer Science 2026-04-20 Hyunseok Park , Jihyeon Kim , Jongeun Kim , Dongsik Yoon

Pre-trained diffusion models have demonstrated remarkable proficiency in synthesizing images across a wide range of scenarios with customizable prompts, indicating their effective capacity to capture universal features. Motivated by this,…

Computer Vision and Pattern Recognition · Computer Science 2024-11-22 Yuxiang Ji , Boyong He , Chenyuan Qu , Zhuoyue Tan , Chuan Qin , Liaoni Wu

There is a growing interest in expanding the input capacity of language models (LMs) across various domains. However, simply increasing the context window does not guarantee robust performance across diverse long-input processing tasks,…

Computation and Language · Computer Science 2024-10-10 Wei Shi , Shuang Li , Kerun Yu , Jinglei Chen , Zujie Liang , Xinhui Wu , Yuxi Qian , Feng Wei , Bo Zheng , Jiaqing Liang , Jiangjie Chen , Yanghua Xiao