3 papers
cs.CV2025
TPSO: Training-Free Diverse Image Generation via Semantic Prompt Embedding Optimization
Debin Meng, Chen Jin, Zheng Gao +3
Image diversity remains a fundamental challenge for text-to-image diffusion models. Low-diversity generation often leads to repetitive outputs, increasing sampling redundancy and h…
cs.CV2024
Self-Supervised Facial Representation Learning with Facial Region Awareness
Zheng Gao, Ioannis Patras
Self-supervised pre-training has been proved to be effective in learning transferable representations that benefit various visual tasks. This paper asks this question: can self-sup…
cs.CV2023
Self-Supervised Representation Learning with Cross-Context Learning between Global and Hypercolumn Features
Zheng Gao, Chen Feng, Ioannis Patras
Whilst contrastive learning yields powerful representations by matching different augmented views of the same instance, it lacks the ability to capture the similarities between dif…