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New AI Model Predicts Odor Perception from Mass Spectra

Researchers have developed SCENT, a novel multi-modal contrastive learning framework designed to predict human olfactory perception directly from mass spectrometry data. This approach aligns electron ionization mass spectrometry (EI-MS) representations with chemical structure embeddings, eliminating the need for explicit molecular structure during inference. SCENT demonstrates strong performance in odor descriptor prediction, outperforming existing mass spectrometry-only methods and rivaling structure-based models, while also showing promise in approximating continuous human perceptual ratings and generalizing to real-world spectra. AI

IMPACT This research could enable AI-driven olfactory prediction in settings where molecular structure is unavailable, advancing applications in chemical sensing and perception.

RANK_REASON The cluster contains an academic paper detailing a new AI model and framework.

Read on arXiv cs.LG →

AI-generated summary · Google Gemini · from 2 sources. How we write summaries →

New AI Model Predicts Odor Perception from Mass Spectra

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The cluster contains an academic paper detailing a new AI model and framework.
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COVERAGE [2]

  1. arXiv cs.LG TIER_1 English(EN) · Ziqi Zhang, Eunyeong Jin, Miguel Vasco, Farzaneh Taleb, Nona Rajabi, Alexandra Gutmann, Jonathan Williams, Ant\^onio H. Ribeiro, Danica Kragic ·

    SCENT: Aligning Mass Spectra with Molecular Structure for Olfactory Perception

    arXiv:2605.27009v1 Announce Type: new Abstract: Predicting human olfactory perception from molecular structure has seen remarkable progress, yet these approaches require explicit chemical structure at inference, which is not available in practical sensing settings. We address thi…

  2. arXiv cs.LG TIER_1 English(EN) · Danica Kragic ·

    SCENT: Aligning Mass Spectra with Molecular Structure for Olfactory Perception

    Predicting human olfactory perception from molecular structure has seen remarkable progress, yet these approaches require explicit chemical structure at inference, which is not available in practical sensing settings. We address this gap by exploring direct electron ionization ma…