no code implementations • 23 Feb 2024 • Jiajun Ma, Shuchen Xue, Tianyang Hu, Wenjia Wang, Zhaoqiang Liu, Zhenguo Li, Zhi-Ming Ma, Kenji Kawaguchi
Surprisingly, the improvement persists when we increase the number of sampling steps and can even surpass the best result from EDM-2 (1. 58) with only 39 NFEs (1. 57).
1 code implementation • 17 Oct 2023 • Jiajun Ma, Tianyang Hu, Wenjia Wang, Jiacheng Sun
Guidance in conditional diffusion generation is of great importance for sample quality and controllability.
Ranked #1 on Conditional Image Generation on ImageNet 128x128
no code implementations • 28 Jan 2023 • Jiajun Ma, Tianyang Hu, Wenjia Wang
In this work, we systematically investigate the role of the projection head in SSL.
no code implementations • 7 Feb 2020 • Li Chen, Shuisheng Zhou, Jiajun Ma
The key idea of the proposed kernel $k$-means clustering using incomplete Cholesky factorization is that we approximate the entire kernel matrix by the product of a low-rank matrix and its transposition.
no code implementations • 7 Feb 2020 • Li Chen, Shuizheng Zhou, Jiajun Ma
Although they adopt uniform sampling with replacement, due to large sampling variance, the number of non-zeros is uneven among rows of the projection matrix which is generated in one trial, and more data information may be lost after dimension reduction.