Search Results for author: Zafer Dogan

Found 9 papers, 3 papers with code

Asymptotic Analysis of Two-Layer Neural Networks after One Gradient Step under Gaussian Mixtures Data with Structure

1 code implementation2 Mar 2025 Samet Demir, Zafer Dogan

In this work, we study the training and generalization performance of two-layer neural networks (NNs) after one gradient descent step under structured data modeled by Gaussian mixtures.

Exploring the Precise Dynamics of Single-Layer GAN Models: Leveraging Multi-Feature Discriminators for High-Dimensional Subspace Learning

1 code implementation1 Nov 2024 Andrew Bond, Zafer Dogan

Subspace learning is a critical endeavor in contemporary machine learning, particularly given the vast dimensions of modern datasets.

Random Features Outperform Linear Models: Effect of Strong Input-Label Correlation in Spiked Covariance Data

no code implementations30 Sep 2024 Samet Demir, Zafer Dogan

Our analysis reveals that a high correlation between inputs and labels is a critical factor enabling the RFM to outperform linear models.

Training Generative Image Super-Resolution Models by Wavelet-Domain Losses Enables Better Control of Artifacts

1 code implementation CVPR 2024 Cansu Korkmaz, A. Murat Tekalp, Zafer Dogan

Although some recent works focused on the differentiation of details and artifacts, this is a very challenging problem and a satisfactory solution is yet to be found.

Image Super-Resolution

Trustworthy SR: Resolving Ambiguity in Image Super-resolution via Diffusion Models and Human Feedback

no code implementations12 Feb 2024 Cansu Korkmaz, Ege Cirakman, A. Murat Tekalp, Zafer Dogan

This strategy leverages the high-quality image generation capabilities of DMs, while recognizing the importance of obtaining a single trustworthy solution, especially in use cases, such as identification of specific digits or letters, where generating multiple feasible solutions may not lead to a reliable outcome.

Image Generation Image Super-Resolution

Perception-Distortion Trade-off in the SR Space Spanned by Flow Models

no code implementations18 Sep 2022 Cansu Korkmaz, A. Murat Tekalp, Zafer Dogan, Erkut Erdem, Aykut Erdem

We achieve this by benefiting from a diverse set of feasible photo-realistic solutions in the SR space spanned by flow models.

Diversity Super-Resolution

MMSR: Multiple-Model Learned Image Super-Resolution Benefiting From Class-Specific Image Priors

no code implementations18 Sep 2022 Cansu Korkmaz, A. Murat Tekalp, Zafer Dogan

As a result, the performance of an SR model varies noticeably from image to image over a test set depending on whether characteristics of specific images are similar to those in the training set or not.

Image Super-Resolution

Two-stage domain adapted training for better generalization in real-world image restoration and super-resolution

no code implementations1 Jun 2021 Cansu Korkmaz, A. Murat Tekalp, Zafer Dogan

It is well-known that in inverse problems, end-to-end trained networks overfit the degradation model seen in the training set, i. e., they do not generalize to other types of degradations well.

Image Restoration Super-Resolution

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