Dr. Alexei Efros
Professor of EECS
Verified Proof of Work Artifacts
2 items catalogedEach artifact below represents an authenticated research publication, production code repository, or technical architectural framework directly authored or co-created by Dr. Alexei Efros. Every entry undergoes editorial source verification.
Unpaired Image-to-Image Translation using Cycle-Consistent Adversarial Networks
Co-authored the landmark ICCV 2017 CycleGAN paper, introducing cycle consistency loss to enable high-quality visual translation between two unpaired image collections (horses to zebras, summer to winter) with 23,000+ citations.
Struggles with geometric transformations (e.g. cat to dog) because cycle consistency enforces structural topology preservation.
Colorful Image Colorization with Deep Convolutional Neural Networks
Pioneered automated black-and-white image colorization by formulating the task as multinomial classification over quantized Lab color space with class rebalancing, tricking human observers into believing synthesized colors are real.
Ambiguous objects (e.g. clothing, cars) can display desaturated or sepia tints if the model averages multimodal color distributions.