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C. Seelamantula

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#machine learning Preprint Oct 2026

SpectrumQuant: Spectrum Alignment for LLM Quantization

Orthogonal transforms have emerged as an effective tool for low-bit quantization of large language models (LLMs), as they reshape activation distributions without changing the underlying model function. Existing approaches typically rely either on fixed data-agnostic transforms, such as Hadamard rotations, or on calibr...

Dwaipayan Haldar, I. Patra, Azhar Yousuf et al. · 0 citations
#machine learning Preprint Sep 2026

Generalized Score Matching for Parameter Estimation on Convex Domains

This work derives the generalized score matching objective on a convex subset of $\mathbb{R}^{d}$ constructively starting from Minimum Probability Flow (MPF) learning, and shows how classical score matching as well as domain-adapted variants for non-negative data arise naturally within the proposed framework.

Nishanth Shetty, Saisuchith Mahajan, C. Seelamantula · 0 citations
Conference Jul 2026

Consistency is Key to Image Denoising

Without noise, image processing and pattern recognition would be a fait accompli! Image denoising remains a fundamental challenge in practical image processing applications. Deep neural networks (DNNs) have set new performance benchmarks over classical techniques by using supervised learning to predict either the clean...

Oindri Haldar, Saptarshi Mandal, C. Seelamantula · 0 citations

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