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Valentin Khrulkov

12 accepted papers

2023

Understanding DDPM Latent Codes Through Optimal Transport

ICLR 2023poster

Diffusion models have recently outperformed alternative approaches to model the distribution of natural images. Such diffusion models allow for deterministic sampling via the probability flow ODE, giving rise to a latent space and an encoder map. While having important practical applications, such a…

Cited by 60SourcePDFScholar
2022

Hyperbolic Vision Transformers: Combining Improvements in Metric Learning

CVPR 2022poster

Metric learning aims to learn a highly discriminative model encouraging the embeddings of similar classes to be close in the chosen metrics and pushed apart for dissimilar ones. The common recipe is to use an encoder to extract embeddings and a distance-based loss function to match the representatio…

Cited by 135PDFcodeScholar
2022

Label-Efficient Semantic Segmentation with Diffusion Models

ICLR 2022poster

Denoising diffusion probabilistic models have recently received much research attention since they outperform alternative approaches, such as GANs, and currently provide state-of-the-art generative performance. The superior performance of diffusion models has made them an appealing tool in several a…

2021

Latent Transformations via NeuralODEs for GAN-Based Image Editing

ICCV 2021poster

Recent advances in high-fidelity semantic image editing heavily rely on the presumably disentangled latent spaces of the state-of-the-art generative models, such as StyleGAN. Specifically, recent works show that it is possible to achieve decent controllability of attributes in the face images via li…

Cited by 19PDFcodeScholar
2021

Neural Side-by-Side: Predicting Human Preferences for No-Reference Super-Resolution Evaluation

CVPR 2021poster

Super-resolution based on deep convolutional networks is currently gaining much attention from both academia and industry. However, lack of proper evaluation measures makes it difficult to compare approaches, hampering progress in the field. Traditional measures, such as PSNR or SSIM, are known to p…

Cited by 17PDFcodeScholar
2021

Revisiting Deep Learning Models for Tabular Data

NeurIPS 2021poster

The existing literature on deep learning for tabular data proposes a wide range of novel architectures and reports competitive results on various datasets. However, the proposed models are usually not properly compared to each other and existing works often use different benchmarks and experiment pr…

2020

Hyperbolic Image Embeddings

CVPR 2020oral

Computer vision tasks such as image classification, image retrieval, and few-shot learning are currently dominated by Euclidean and spherical embeddings so that the final decisions about class belongings or the degree of similarity are made using linear hyperplanes, Euclidean distances, or spherical…

Cited by 372PDFcodeScholar