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cs.CV2026

CaricHarmony: Contrastive Diffusion Paths for Identity-Preserving Caricature Synthesis

Dongyu Wang, Dar-Yen Chen, Yi-Zhe Song

Sketch-based caricature synthesis suffers from a fundamental failure mode: when identity and shape conditions are combined in diffusion models, they create destructive interference…

cs.CV2025

Normalized Attention Guidance: Universal Negative Guidance for Diffusion Models

Dar-Yen Chen, Hmrishav Bandyopadhyay, Kai Zou +1

Negative guidance -- explicitly suppressing unwanted attributes -- remains a fundamental challenge in diffusion models, particularly in few-step sampling regimes. While Classifier-…

cs.CV2024

NitroFusion: High-Fidelity Single-Step Diffusion through Dynamic Adversarial Training

Dar-Yen Chen, Hmrishav Bandyopadhyay, Kai Zou +1

We introduce NitroFusion, a fundamentally different approach to single-step diffusion that achieves high-quality generation through a dynamic adversarial framework. While one-step…

cs.CV2023

DemoCaricature: Democratising Caricature Generation with a Rough Sketch

Dar-Yen Chen, Ayan Kumar Bhunia, Subhadeep Koley +3

In this paper, we democratise caricature generation, empowering individuals to effortlessly craft personalised caricatures with just a photo and a conceptual sketch. Our objective…

cs.CV2023

ArtAdapter: Text-to-Image Style Transfer using Multi-Level Style Encoder and Explicit Adaptation

Dar-Yen Chen, Hamish Tennent, Ching-Wen Hsu

This work introduces ArtAdapter, a transformative text-to-image (T2I) style transfer framework that transcends traditional limitations of color, brushstrokes, and object shape, cap…