1 code implementation • 26 Aug 2022 • Yaping Zhao, Haitian Zheng, Mengqi Ji, Ruqi Huang
Our method takes cross-domain and cross-scale images as input, and consequently synthesizes HR colorization results to facilitate the trade-off between spatial-temporal resolution and color depth in the single-camera imaging system.
1 code implementation • 15 Oct 2021 • Yaping Zhao, Mengqi Ji, Ruqi Huang, Bin Wang, Shengjin Wang
In this paper, we consider the problem of reference-based video super-resolution(RefVSR), i. e., how to utilize a high-resolution (HR) reference frame to super-resolve a low-resolution (LR) video sequence.
Reference-based Video Super-Resolution Video Super-Resolution
no code implementations • 27 May 2020 • Guanghan Li, Yaping Zhao, Mengqi Ji, Xiaoyun Yuan, Lu Fang
Presenting high-resolution (HR) human appearance is always critical for the human-centric videos.
1 code implementation • 26 May 2020 • Mengqi Ji, Jinzhi Zhang, Qionghai Dai, Lu Fang
Furthermore, the latter problem is handled via a multi-scale strategy that consequently refines the recovered geometry around the region with the repeating pattern.
2 code implementations • 29 Dec 2018 • Dan Wang, Mengqi Ji, Yong Wang, Haoqian Wang, Lu Fang
Inspired by the conditional integration idea in classical control society, we propose SPI-Optimizer, an integral-Separated PI controller based optimizer WITHOUT introducing extra hyperparameter.
1 code implementation • 26 Dec 2018 • Lei Han, Mengqi Ji, Lu Fang, Matthias Nießner
Direct image-to-image alignment that relies on the optimization of photometric error metrics suffers from limited convergence range and sensitivity to lighting conditions.
1 code implementation • ECCV 2018 • Haitian Zheng, Mengqi Ji, Haoqian Wang, Yebin Liu, Lu Fang
The Reference-based Super-resolution (RefSR) super-resolves a low-resolution (LR) image given an external high-resolution (HR) reference image, where the reference image and LR image share similar viewpoint but with significant resolution gap x8.
3 code implementations • ICCV 2017 • Mengqi Ji, Juergen Gall, Haitian Zheng, Yebin Liu, Lu Fang
It takes a set of images and their corresponding camera parameters as input and directly infers the 3D model.
no code implementations • 21 Dec 2015 • Haitian Zheng, Lu Fang, Mengqi Ji, Matti Strese, Yigitcan Ozer, Eckehard Steinbach
When a user scratches a hand-held rigid tool across an object surface, an acceleration signal can be captured, which carries relevant information about the surface.
no code implementations • 22 Nov 2015 • Haitian Zheng, Yebin Liu, Mengqi Ji, Feng Wu, Lu Fang
Finally, the optimization problem enables us to take advantage of state-of-the-art fully convolutional network structure for the implementation of the above encoders and decoder.