Portrait of Riza Velioglu

Hello, I'm Riza Velioglu

I am working as MLE at fal.ai and a Ph.D. researcher in the Machine Learning Group at Bielefeld University. My research focuses on vision-language models and diffusion models, with an emphasis on their application in real-world scenarios.


Publications

MGT: Extending Virtual Try-Off to Multi-Garment Scenarios

MGT: Extending Virtual Try-Off to Multi-Garment Scenarios

ICCVW'25

With a simple yet effective extension to TryOffDiff, we present Multi-Garment TryOffDiff (MGT), a diffusion-based VTOFF model that supports upper-body, lower-body, and dress garments.

TryOffDiff: Virtual-Try-Off via High-Fidelity Garment Reconstruction using Diffusion Models

TryOffDiff: Virtual-Try-Off via High-Fidelity Garment Reconstruction using Diffusion Models

BMVC'25 & CVPR'25-Demo

Introducing Virtual Try-Off (VTOFF), a task for generating standardized garment images, and TryOffDiff, a model that adapts Stable Diffusion with SigLIP-based conditioning for high fidelity and detail retention.

FashionFail: Addressing Failure Cases in Fashion Object Detection and Segmentation

FashionFail: Addressing Failure Cases in Fashion Object Detection and Segmentation

IJCNN'24

We present a novel e-commerce fashion dataset to enhance object detection and segmentation models, introducing a basic data augmentation approach to increase model robustness for industrial use.

Explainable artificial intelligence for improved modeling of processes

Explainable artificial intelligence for improved modeling of processes

IDEAL'22

Evaluating Transformer architectures and classical ML models for process modeling, demonstrating their predictive capabilities and the insights provided by attention mechanisms and XAI techniques.

A graph-based U-net model for predicting traffic in unseen cities

A graph-based U-net model for predicting traffic in unseen cities

IJCNN'22

A comparative study of neural machine translation models for Turkish language

A comparative study of neural machine translation models for Turkish language

J.Intell.Fuzzy Syst.'22 Journal Paper

Evaluating robustness of counterfactual explanations

Evaluating robustness of counterfactual explanations

SSCI'21

Detecting Hate Speech In Multimodal Memes Using Vision-Language Models

Detecting Hate Speech In Multimodal Memes Using Vision-Language Models

Riza Velioglu
MSc Thesis'21

Detecting hate speech in memes using multimodal deep learning approaches: Prize-winning solution to hateful memes challenge

Detecting hate speech in memes using multimodal deep learning approaches: Prize-winning solution to hateful memes challenge

Riza Velioglu, Jewgeni Rose
arXiv'20

Won 3rd prize in the competition by finetunung VisualBERT and using ensemble learning.

Sentiment analysis using learning approaches over emojis for Turkish tweets

Sentiment analysis using learning approaches over emojis for Turkish tweets

UBMK'18