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Author

Hrant Khachatrian

4 papers indexed here

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#artificial intelligence Preprint Oct 2026

Scaling Cheap Synthetic Pretraining Improves Indoor Radio-Map Prediction

Real measurements are too limited to train an accurate indoor pathloss predictor that works across a wide range of buildings. Large-scale synthetic pretraining offers a way forward, but real building layouts are also scarce, and accurate ray-tracing simulators are slow, expensive, and often proprietary. We address both...

K. Petrosyan, Artashes Mkrtchyan, R. Mkrtchyan et al. · 0 citations
#machine learning Preprint Oct 2026

Data Density Scaling Laws for Image Self-Distillation

This work proposes a modified version of a Chinchilla-style scaling law that explicitly accounts for two factors: the number of unique samples and repetition per sample, which provides a framework for understanding data-compute trade-offs and improves prediction in some regimes where repetition plays a central role.

Alvard Barseghyan, Ani Vanyan, H. Tamazyan et al. · 0 citations
#machine learning Preprint Oct 2026

PMO-Dock: Benchmarking Docking, Specificity, and Generalization in Molecular Optimization

The Practical Molecular Optimization (PMO) benchmark standardized evaluation in molecular optimization, but it is built on simple property-based oracles that do not capture structure-based drug design. As the field has moved to docking-based objectives, evaluation practice has become unstandardized, and different metho...

G. Simonyan, T. Abrahamyan, N. Abelyan et al. · 0 citations

GeoCrossBench: Cross-Band Generalization for Remote Sensing

GeoCrossBench is introduced, an extension of the popular GeoBench benchmark with a new evaluation protocol for cross-band generalization across sensors and satellites, and $\chi$ViT, a self-supervised extension of the band-agnostic ChannelViT, is developed as a supporting baseline for cross-band generalization.

Hakob A. Tamazyan, Ani Vanyan, Alvard Barseghyan et al. · 4 citations · ⚡1

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