Sagar Shrestha Email and Phone Number

- Developed unified framework for image generation and translation, which enabled generating image (e.g., conditional GAN) and translating between domains (e.g., cat to dog) using the same model.- Proposed a provable method for extracting latent variables from multi-view unpaired data, which showed state-of-the-art performance for domain adaptation, multi-view retrieval, and single cell sequence alignment.- Developed first-of-its-kind identifiability guaranteed method for unsupervised… Show more - Developed unified framework for image generation and translation, which enabled generating image (e.g., conditional GAN) and translating between domains (e.g., cat to dog) using the same model.- Proposed a provable method for extracting latent variables from multi-view unpaired data, which showed state-of-the-art performance for domain adaptation, multi-view retrieval, and single cell sequence alignment.- Developed first-of-its-kind identifiability guaranteed method for unsupervised domain translation based on CycleGAN framework and its variants, which resolved the inherent content misaligned translation issue of existing methods.- Provided explanation for why common encoder based image to image translation such as StarGAN are successful and how to improve them.- Developed novel communication efficient federated learning for multiview/multimodal data, which enabled privacy preserving distributed training of deep GCCA and reduced the communication overhead by more than 90% with essentially no loss in performance.- Proposed a imitation learning method based on graph neural network policy for speeding up branch and bound algorithm for antenna selection and beamforming problem, which exhibited strong generalization to large unseen problem sizes.- Proposed a novel method based on generative model (GAN), tensor decomposition, non-negative matrix factorization, Gaussian dithering, and maximum likelihood objective to solve the (quantized) spectrum cartography problem, which resulted in state-of-the-art performance in various challenging scenarios (e.g., heavy shadowing, large number of emitters, etc). Show less

- Designed and built food Delivery robot with autonomous navigation, which resulted in Nepal's first fully automated robotic restaurant in Kathmandu.- Designed and build Customer Service Chatbot Agent, which was deployed in multiple banks' websites in Nepal.