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Taxonomic classification in biodiversity research involves organizing biological specimens into structured hierarchies based on evidence, which can come from multiple modalities such as images and genetic information. We investigate whether…

Measuring biodiversity is crucial for understanding ecosystem health. While prior works have developed machine learning models for taxonomic classification of photographic images and DNA separately, in this work, we introduce a multimodal…

Artificial Intelligence · Computer Science 2025-12-10 ZeMing Gong , Austin T. Wang , Xiaoliang Huo , Joakim Bruslund Haurum , Scott C. Lowe , Graham W. Taylor , Angel X. Chang

Hierarchical knowledge structures are ubiquitous across real-world domains and play a vital role in organizing information from coarse to fine semantic levels. While such structures have been widely used in taxonomy systems, biomedical…

Machine Learning · Computer Science 2026-03-10 Yunhui Liu , Yongchao Liu , Yinfeng Chen , Chuntao Hong , Tao Zheng , Tieke He

Acoustic identification of individual animals (AIID) is closely related to audio-based species classification but requires a finer level of detail to distinguish between individual animals within the same species. In this work, we frame…

Sound · Computer Science 2024-09-16 Ines Nolasco , Ilyass Moummad , Dan Stowell , Emmanouil Benetos

A high-performing, general-purpose visual understanding model should map visual inputs to a taxonomic tree of labels, identify novel categories beyond the training set for which few or no publicly available images exist. Large Multimodal…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Hulingxiao He , Zhi Tan , Yuxin Peng

Multimodal intent recognition aims to infer human intents by jointly modeling various modalities, playing a pivotal role in real-world dialogue systems. However, current methods struggle to model hierarchical semantics underlying complex…

Multimedia · Computer Science 2026-03-05 Qianrui Zhou , Hua Xu , Yunjin Gu , Yifan Wang , Songze Li , Hanlei Zhang

Deep learning for Earth imagery plays an increasingly important role in geoscience applications such as agriculture, ecology, and natural disaster management. Still, progress is often hindered by the limited training labels. Given Earth…

Artificial Intelligence · Computer Science 2023-12-14 Zelin Xu , Tingsong Xiao , Wenchong He , Yu Wang , Zhe Jiang

Hierarchical image recognition seeks to predict class labels along a semantic taxonomy, from broad categories to specific ones, typically under the tidy assumption that every training image is fully annotated along its taxonomy path.…

Computer Vision and Pattern Recognition · Computer Science 2026-05-21 Seulki Park , Zilin Wang , Stella X. Yu

Human-aligned deep learning models exhibit behaviors consistent with human values, such as robustness, fairness, and honesty. Transferring these behavioral properties to models trained on different tasks or data distributions remains…

Machine Learning · Computer Science 2025-06-02 Galen Pogoncheff , Michael Beyeler

Hierarchical classification predicts labels across multiple levels of a taxonomy, e.g., from coarse-level 'Bird' to mid-level 'Hummingbird' to fine-level 'Green hermit', allowing flexible recognition under varying visual conditions. It is…

Computer Vision and Pattern Recognition · Computer Science 2025-04-18 Seulki Park , Youren Zhang , Stella X. Yu , Sara Beery , Jonathan Huang

Hierarchical classification aims to sort the object into a hierarchical structure of categories. For example, a bird can be categorized according to a three-level hierarchy of order, family, and species. Existing methods commonly address…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Renzhen Wang , De cai , Kaiwen Xiao , Xixi Jia , Xiao Han , Deyu Meng

A major challenge in multimodal learning is the presence of noise within individual modalities. This noise inherently affects the resulting multimodal representations, especially when these representations are obtained through explicit…

Computer Vision and Pattern Recognition · Computer Science 2025-08-25 Mohammad Zia Ur Rehman , Devraj Raghuvanshi , Umang Jain , Shubhi Bansal , Nagendra Kumar

Unsupervised visible-infrared person re-identification (USVI-ReID) aims to learn modality-invariant image features from unlabeled cross-modal person datasets by reducing the modality gap while minimizing reliance on costly manual…

Computer Vision and Pattern Recognition · Computer Science 2025-09-16 Haonan Shi , Yubin Wang , De Cheng , Lingfeng He , Nannan Wang , Xinbo Gao

Modeling hierarchical latent dynamics behind time series data is critical for capturing temporal dependencies across multiple levels of abstraction in real-world tasks. However, existing temporal causal representation learning methods fail…

Machine Learning · Computer Science 2025-10-22 Zijian Li , Minghao Fu , Junxian Huang , Yifan Shen , Ruichu Cai , Yuewen Sun , Guangyi Chen , Kun Zhang

Robust local feature representations are essential for spatial intelligence tasks such as robot navigation and augmented reality. Establishing reliable correspondences requires descriptors that provide both high discriminative power and…

Computer Vision and Pattern Recognition · Computer Science 2026-01-15 Haodi Yao , Fenghua He , Ning Hao , Yao Su

Vision-Language Models (VLMs) learn powerful multimodal representations through large-scale image-text pretraining, but adapting them to hierarchical classification is underexplored. Standard approaches treat labels as flat categories and…

Computer Vision and Pattern Recognition · Computer Science 2025-12-29 Jiayu Li , Rajesh Gangireddy , Samet Akcay , Wei Cheng , Juhua Hu

Understanding how chemical perturbations propagate through biological systems is essential for robust molecular property prediction. While most existing methods focus on chemical structures alone, recent advances highlight the crucial role…

Machine Learning · Computer Science 2025-11-27 Mengran Li , Zelin Zang , Wenbin Xing , Junzhou Chen , Ronghui Zhang , Jiebo Luo , Stan Z. Li

Composed Video Retrieval (CVR) is a challenging video retrieval task that utilizes multi-modal queries, consisting of a reference video and modification text, to retrieve the desired target video. The core of this task lies in understanding…

Computer Vision and Pattern Recognition · Computer Science 2025-12-16 Zhiwei Chen , Yupeng Hu , Zixu Li , Zhiheng Fu , Haokun Wen , Weili Guan

We address an important problem in ecology called Species Distribution Modeling (SDM), whose goal is to predict whether a species exists at a certain position on Earth. In particular, we tackle a challenging version of this task, where we…

Machine Learning · Computer Science 2024-10-24 Shiran Yuan , Hao Zhao

Microbial identification is a central issue in microbiology, in particular in the fields of infectious diseases diagnosis and industrial quality control. The concept of species is tightly linked to the concept of biological and clinical…

Machine Learning · Statistics 2015-06-25 Kévin Vervier , Pierre Mahé , Jean-Baptiste Veyrieras , Jean-Philippe Vert
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