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Holographic Reduced Representations (HRR) are a method for performing symbolic AI on top of real-valued vectors by associating each vector with an abstract concept, and providing mathematical operations to manipulate vectors as if they were…

人工智能 · 计算机科学 2021-12-30 Ashwinkumar Ganesan , Hang Gao , Sunil Gandhi , Edward Raff , Tim Oates , James Holt , Mark McLean

While large vision-language models (LVLMs) have demonstrated impressive capabilities in interpreting multi-modal contexts, they invariably suffer from object hallucinations (OH). We introduce HALC, a novel decoding algorithm designed to…

计算机视觉与模式识别 · 计算机科学 2024-06-11 Zhaorun Chen , Zhuokai Zhao , Hongyin Luo , Huaxiu Yao , Bo Li , Jiawei Zhou

Repetitive action counting (RAC) aims to estimate the number of class-agnostic action occurrences in a video without exemplars. Most current RAC methods rely on a raw frame-to-frame similarity representation for period prediction. However,…

计算机视觉与模式识别 · 计算机科学 2025-01-14 Sujia Wang , Xiangwei Shen , Yansong Tang , Xin Dong , Wenjia Geng , Lei Chen

Query-focused summarization (QFS) aims to provide a summary of a single document/multi documents that can satisfy the information needs of a given query. It is useful for various real-world applications, such as abstractive snippet…

计算与语言 · 计算机科学 2026-01-06 Zhichao Xu

Vision-language models (VLMs) have achieved remarkable advancements, capitalizing on the impressive capabilities of large language models (LLMs) across diverse tasks. Despite this, a critical challenge known as hallucination occurs when…

计算机视觉与模式识别 · 计算机科学 2025-03-07 Chao Wang , Weiwei Fu , Yang Zhou

Hallucinations in large vision-language models (LVLMs) are a significant challenge, i.e., generating objects that are not presented in the visual input, which impairs their reliability. Recent studies often attribute hallucinations to a…

计算与语言 · 计算机科学 2025-08-13 Yuying Shang , Xinyi Zeng , Yutao Zhu , Xiao Yang , Zhengwei Fang , Jingyuan Zhang , Jiawei Chen , Zinan Liu , Yu Tian

Leveraging large-scale Text-to-Image (TTI) models have become a common technique for generating exemplar or training dataset in the fields of image synthesis, video editing, 3D reconstruction. However, semantic structural visual…

计算机视觉与模式识别 · 计算机科学 2026-03-09 Bumsoo Kim , Wonseop Shin , Kyuchul Lee , Yonghoon Jung , Sanghyun Seo

The model of low-dimensional manifold and sparse representation are two well-known concise models that suggest each data can be described by a few characteristics. Manifold learning is usually investigated for dimension reduction by…

计算机视觉与模式识别 · 计算机科学 2016-03-22 Xi Peng , Lei Zhang , Zhang Yi , Kok Kiong Tan

Integrating Large Language Models (LLMs) with Reinforcement Learning (RL) can enhance autonomous driving (AD) performance in complex scenarios. However, current LLM-Dominated RL methods over-rely on LLM outputs, which are prone to…

机器人学 · 计算机科学 2025-05-23 Zhiwen Chen , Bo Leng , Zhuoren Li , Hanming Deng , Guizhe Jin , Ran Yu , Huanxi Wen

Large language models (LLMs) can generate fluent natural language texts when given relevant documents as background context. This ability has attracted considerable interest in developing industry applications of LLMs. However, LLMs are…

计算与语言 · 计算机科学 2023-10-11 Deren Lei , Yaxi Li , Mengya Hu , Mingyu Wang , Vincent Yun , Emily Ching , Eslam Kamal

Spatial reasoning in Large Language Models (LLMs) is the foundation for embodied intelligence. However, even in simple maze environments, LLMs still encounter challenges in long-term path-planning, primarily influenced by their spatial…

计算与语言 · 计算机科学 2025-05-08 Hourui Deng , Hongjie Zhang , Jie Ou , Chaosheng Feng

Recent advancements in massively multilingual machine translation systems have significantly enhanced translation accuracy; however, even the best performing systems still generate hallucinations, severely impacting user trust. Detecting…

Deep models have achieved impressive performance for face hallucination tasks. However, we observe that directly feeding the hallucinated facial images into recog- nition models can even degrade the recognition performance despite the much…

计算机视觉与模式识别 · 计算机科学 2016-11-28 Junyu Wu , Shengyong Ding , Wei Xu , Hongyang Chao

Large Language Models (LLMs) have demonstrated remarkable performance across various tasks. However, they are prone to contextual hallucination, generating information that is either unsubstantiated or contradictory to the given context.…

计算与语言 · 计算机科学 2025-04-29 Siyi Liu , Kishaloy Halder , Zheng Qi , Wei Xiao , Nikolaos Pappas , Phu Mon Htut , Neha Anna John , Yassine Benajiba , Dan Roth

Inspired by the philosophy employed by human beings to determine whether a presented face example is genuine or not, i.e., to glance at the example globally first and then carefully observe the local regions to gain more discriminative…

计算机视觉与模式识别 · 计算机科学 2020-09-29 Rizhao Cai , Haoliang Li , Shiqi Wang , Changsheng Chen , Alex Chichung Kot

Retrieval-Augmented Generation (RAG) models are designed to incorporate external knowledge, reducing hallucinations caused by insufficient parametric (internal) knowledge. However, even with accurate and relevant retrieved content, RAG…

计算与语言 · 计算机科学 2025-01-22 Zhongxiang Sun , Xiaoxue Zang , Kai Zheng , Yang Song , Jun Xu , Xiao Zhang , Weijie Yu , Yang Song , Han Li

Despite progress in Large Vision Language Models (LVLMs), object hallucination remains a critical issue in image captioning task, where models generate descriptions of non-existent objects, compromising their reliability. Previous work…

计算机视觉与模式识别 · 计算机科学 2026-04-09 Shiyu Liu , Xinyi Wen , Zhibin Lan , Ante Wang , Jinsong Su

Automatic Speech Recognition (ASR) error correction aims to correct recognition errors while preserving accurate text. Although traditional approaches demonstrate moderate effectiveness, LLMs offer a paradigm that eliminates the need for…

计算与语言 · 计算机科学 2025-12-24 Yangui Fang , Baixu Chen , Jing Peng , Xu Li , Yu Xi , Chengwei Zhang , Guohui Zhong

Multimodal Large Language Models (MLLMs) have unlocked powerful cross-modal capabilities, but still significantly suffer from hallucinations. As such, accurate detection of hallucinations in MLLMs is imperative for ensuring their…

Large Multimodal Models (LMMs) have achieved impressive progress in visual perception and reasoning. However, when confronted with visually ambiguous or non-semantic scene text, they often struggle to accurately spot and understand the…

计算机视觉与模式识别 · 计算机科学 2025-10-08 Yan Shu , Hangui Lin , Yexin Liu , Yan Zhang , Gangyan Zeng , Yan Li , Yu Zhou , Ser-Nam Lim , Harry Yang , Nicu Sebe