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This paper studies V-fold cross-validation for model selection in least-squares density estimation. The goal is to provide theoretical grounds for choosing V in order to minimize the least-squares loss of the selected estimator. We first…

统计理论 · 数学 2015-10-13 Sylvain Arlot , Matthieu Lerasle

Generative vision-language models (VLMs) have shown impressive performance in zero-shot vision-language tasks like image captioning and visual question answering. However, improving their zero-shot reasoning typically requires second-stage…

计算机视觉与模式识别 · 计算机科学 2024-04-02 Rongjie Li , Yu Wu , Xuming He

Vision-Language Models like CLIP create aligned embedding spaces for text and images, making it possible for anyone to build a visual classifier by simply naming the classes they want to distinguish. However, a model that works well in one…

计算机视觉与模式识别 · 计算机科学 2026-03-26 Kevin Robbins , Xiaotong Liu , Yu Wu , Le Sun , Grady McPeak , Abby Stylianou , Robert Pless

While visual question-answering (VQA) benchmarks have catalyzed the development of reasoning techniques, they have focused on vertical thinking. Effective problem-solving also necessitates lateral thinking, which remains understudied in AI…

计算机视觉与模式识别 · 计算机科学 2024-12-23 Koen Kraaijveld , Yifan Jiang , Kaixin Ma , Filip Ilievski

This paper proposes the DistillCSE framework, which performs contrastive learning under the self-training paradigm with knowledge distillation. The potential advantage of DistillCSE is its self-enhancing feature: using a base model to…

计算与语言 · 计算机科学 2023-12-25 Jiahao Xu , Wei Shao , Lihui Chen , Lemao Liu

Instruction tuning, or supervised finetuning on extensive task-specific data, is necessary for Large Vision-Language Models (LVLMs) to generalize well across a broad range of vision-language (VL) tasks. However, training on large VL…

计算机视觉与模式识别 · 计算机科学 2024-10-03 Jaewoo Lee , Boyang Li , Sung Ju Hwang

Multi-modal reasoning in visual question answering (VQA) has witnessed rapid progress recently. However, most reasoning models heavily rely on shortcuts learned from training data, which prevents their usage in challenging real-world…

计算机视觉与模式识别 · 计算机科学 2022-11-22 Qi Zheng , Chaoyue Wang , Daqing Liu , Dadong Wang , Dacheng Tao

In seismic interpretation, pixel-level labels of various rock structures can be time-consuming and expensive to obtain. As a result, there oftentimes exists a non-trivial quantity of unlabeled data that is left unused simply because…

计算机视觉与模式识别 · 计算机科学 2022-06-17 Kiran Kokilepersaud , Mohit Prabhushankar , Ghassan AlRegib

The cardinality estimation is a key aspect of query optimization research, and its performance has significantly improved with the integration of machine learning. To overcome the "cold start" problem or the lack of model transferability in…

数据库 · 计算机科学 2025-05-29 Boyang Fang

Despite the great success of pre-trained language models, it is still a challenge to use these models for continual learning, especially for the class-incremental learning (CIL) setting due to catastrophic forgetting (CF). This paper…

计算与语言 · 计算机科学 2023-07-21 Yijia Shao , Yiduo Guo , Dongyan Zhao , Bing Liu

Quantifying and evaluating image complexity can be instrumental in enhancing the performance of various computer vision tasks. Supervised learning can effectively learn image complexity features from well-annotated datasets. However,…

计算机视觉与模式识别 · 计算机科学 2024-08-07 Shipeng Liu , Liang Zhao , Dengfeng Chen , Zhanping Song

Traditional training paradigms for extractive and abstractive summarization systems always only use token-level or sentence-level training objectives. However, the output summary is always evaluated from summary-level which leads to the…

计算与语言 · 计算机科学 2023-04-20 Chenxin An , Ming Zhong , Zhiyong Wu , Qin Zhu , Xuanjing Huang , Xipeng Qiu

In the realm of time series analysis, tackling the phenomenon of concept drift poses a significant challenge. Concept drift -- characterized by the evolving statistical properties of time series data, affects the reliability and accuracy of…

机器学习 · 计算机科学 2025-02-03 Kunpeng Xu , Lifei Chen , Shengrui Wang

A key challenge for Emotion Recognition in Conversations (ERC) is to distinguish semantically similar emotions. Some works utilise Supervised Contrastive Learning (SCL) which uses categorical emotion labels as supervision signals and…

计算与语言 · 计算机科学 2023-02-10 Kailai Yang , Tianlin Zhang , Hassan Alhuzali , Sophia Ananiadou

This work introduces VERSE, a methodology for analyzing and improving Vision-Language Models applied to Visually-rich Document Understanding by exploring their visual embedding space. VERSE enables the visualization of latent…

计算机视觉与模式识别 · 计算机科学 2026-01-09 Ignacio de Rodrigo , Alvaro J. Lopez-Lopez , Jaime Boal

In this paper, we present CAESR, an hybrid learning-based coding approach for spatial scalability based on the versatile video coding (VVC) standard. Our framework considers a low-resolution signal encoded with VVC intra-mode as a…

图像与视频处理 · 电气工程与系统科学 2022-02-02 Charles Bonnineau , Wassim Hamidouche , Jean-François Travers , Naty Sidaty , Jean-Yves Aubié , Olivier Deforges

Visual planning simulates how humans make decisions to achieve desired goals in the form of searching for visual causal transitions between an initial visual state and a final visual goal state. It has become increasingly important in…

人工智能 · 计算机科学 2024-03-28 Yilue Qian , Peiyu Yu , Ying Nian Wu , Yao Su , Wei Wang , Lifeng Fan

Despite significant advancements in Vision-Language Models (VLMs), the performance of existing VLMs remains hindered by object hallucination, a critical challenge to achieving accurate visual understanding. To address this issue, we propose…

计算机视觉与模式识别 · 计算机科学 2026-03-31 Woohyeon Park , Woojin Kim , Jaeik Kim , Jaeyoung Do

The standard loss function used to train neural network classifiers, categorical cross-entropy (CCE), seeks to maximize accuracy on the training data; building useful representations is not a necessary byproduct of this objective. In this…

Zero-shot object counting (ZOC) aims to enumerate objects in images using only the names of object classes during testing, without the need for manual annotations. However, a critical challenge in current ZOC methods lies in their inability…

计算机视觉与模式识别 · 计算机科学 2024-07-10 Huilin Zhu , Jingling Yuan , Zhengwei Yang , Yu Guo , Zheng Wang , Xian Zhong , Shengfeng He