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Normalized compression distance (NCD) is a parameter-free, feature-free, alignment-free, similarity measure between a pair of finite objects based on compression. However, it is not sufficient for all applications. We propose an NCD of…

计算机视觉与模式识别 · 计算机科学 2016-01-28 Andrew R. Cohen , Paul M. B. Vitanyi

Large language models (LLMs) have achieved remarkable performance on diverse benchmarks, yet existing evaluation practices largely rely on coarse summary metrics that obscure underlying reasoning abilities. In this work, we propose novel…

统计方法学 · 统计学 2026-03-17 Jia Liu , Zhiyu Xu , Yuqi Gu

In operational scenarios, steganographers use sets of covers from various sensors and processing pipelines that differ significantly from those used by researchers to train steganalysis models. This leads to an inevitable performance gap…

机器学习 · 计算机科学 2023-10-10 Rony Abecidan , Vincent Itier , Jérémie Boulanger , Patrick Bas , Tomáš Pevný

We introduce an orientation-preserving landmark-based distance for continuous curves, which can be viewed as an alternative to the \Frechet or Dynamic Time Warping distances. This measure retains many of the properties of those measures,…

计算几何 · 计算机科学 2021-05-26 Jeff M. Phillips , Hasan Pourmahmood-Aghababa

We introduce the Linearized Diffusion Map (LDM), a novel linear dimensionality reduction method constructed via a linear approximation of the diffusion-map kernel. LDM integrates the geometric intuition of diffusion-based nonlinear methods…

机器学习 · 计算机科学 2025-07-22 Julio Candanedo

Long-range temporal coherence (LRTC) is quite common to dynamic systems and is fundamental to the system function. LRTC in the brain has been shown to be important to cognition. Assessing LRTC may provide critical information for…

神经元与认知 · 定量生物学 2024-07-10 Ze Wang

Selective labels occur when label observations are subject to a decision-making process; e.g., diagnoses that depend on the administration of laboratory tests. We study a clinically-inspired selective label problem called disparate…

机器学习 · 计算机科学 2024-06-28 Trenton Chang , Jenna Wiens

Deep distance metric learning (DDML), which is proposed to learn image similarity metrics in an end-to-end manner based on the convolution neural network, has achieved encouraging results in many computer vision tasks.$L2$-normalization in…

计算机视觉与模式识别 · 计算机科学 2018-03-29 Xuefei Zhe , Shifeng Chen , Hong Yan

To measure the quality of a set of vector quantization points a means of measuring the distance between a random point and its quantization is required. Common metrics such as the {\em Hamming} and {\em Euclidean} metrics, while…

机器学习 · 计算机科学 2019-11-15 Jonathan Baxter

Medical Vision-Language Models (MedVLMs) show immense promise in clinical applicability. However, their reliability is hindered by hallucinations, where models often fail to derive answers from visual evidence, instead relying on learned…

计算机视觉与模式识别 · 计算机科学 2025-12-22 Xiao Liang , Chenxi Liu , Zhi Ma , Di Wang , Bin Jing , Quan Wang , Yuanyuan Shi

The labels in medical diagnosis task are usually discrete and successively distributed. For example, the Diabetic Retinopathy Diagnosis (DR) involves five health risk levels: no DR (0), mild DR (1), moderate DR (2), severe DR (3) and…

图像与视频处理 · 电气工程与系统科学 2019-11-07 Xiaofeng Liu , Xu Han , Yukai Qiao , Yi Ge , Lu Jun

We propose the use of certain low-density generator-matrix (LDGM) codes as syndrome measurement (SM) codes for quantum low-density parity check (QLDPC) codes. We use an efficient progressive-edge-growth-like algorithm to create LDGM SM…

量子物理 · 物理学 2026-05-26 Eren Guttentag , Anthony Gómez-Fonseca

Chi-square histogram distance is one of the distance measures that can be used to find dissimilarity between two histograms. Motivated by the fact that texture discrimination by human vision system is based on second-order statistics, we…

计算机视觉与模式识别 · 计算机科学 2012-12-04 V. Asha , N. U. Bhajantri , P. Nagabhushan

Current cosmological tensions motivate investigating extensions to the standard $\Lambda$CDM model. Additional model parameters are typically varied one or two at a time, in a series of separate tests. The purpose of this paper is to…

宇宙学与河外天体物理 · 物理学 2020-08-11 Yajing Huang , Graeme Addison , Charles Bennett

Neural distance fields (NDF) have emerged as a powerful tool for addressing challenges in 3D computer vision and graphics downstream problems. While significant progress has been made to learn NDF from various kind of sensor data, a crucial…

计算机视觉与模式识别 · 计算机科学 2024-12-23 Akshit Singh , Karan Bhakuni , Rajendra Nagar

Dynamic colored meshes (DCM) are widely used in various applications; however, these meshes may undergo different processes, such as compression or transmission, which can distort them and degrade their quality. To facilitate the…

计算机视觉与模式识别 · 计算机科学 2023-08-04 Qi Yang , Joel Jung , Timon Deschamps , Xiaozhong Xu , Shan Liu

Coronal mass ejections (CMEs) are a major driver of space weather. To assess CME geoeffectiveness, among other scientific goals, it is necessary to reliably identify and characterize their morphology and kinematics in coronagraph images.…

The fetal cortical plate (CP) undergoes drastic morphological changes during the in utero development. Therefore, CP growth and folding patterns are key indicator in the assessment of the brain development and maturation. Magnetic resonance…

图像与视频处理 · 电气工程与系统科学 2022-08-17 Priscille de Dumast , Hamza Kebiri , Vincent Dunet , Mériam Koob , Meritxell Bach Cuadra

The Perturbation Discrimination Score (PDS) is increasingly used to evaluate whether predicted perturbation effects remain distinguishable, including in Systema and the Virtual Cell Challenge. However, its behavior in high-dimensional…

应用统计 · 统计学 2025-11-24 Qiyuan Liu , Qirui Zhang , Jinhong Du , Siming Zhao , Jingshu Wang