Search Results for author: Ni Zhao

Found 4 papers, 1 papers with code

A Dynamic Model for Frequency Response Optimization in Photovoltaic Visible Light Communication

no code implementations1 May 2023 Shuyan Chen, Hui Yu, Ni Zhao, Lian-Kuan Chen

The RC constant can be reduced for PVLC receivers working near open-circuit voltage conditions by adding a moderate local light to decrease the internal resistance value.

Towards new forms of particle sensing and manipulation and 3D imaging on a smartphone for healthcare applications

no code implementations8 Sep 2020 Jinlong Zhu, Ni Zhao, Renjie Zhou

Close to half of the world population have smartphones, while a typical flagship smartphone today has been integrated with more than 20 smart components and sensors, making a smartphone a highly integrated platform that can potentially mimic the five senses of humans.

Medical Diagnosis

Gradient Regularized Contrastive Learning for Continual Domain Adaptation

no code implementations25 Jul 2020 Peng Su, Shixiang Tang, Peng Gao, Di Qiu, Ni Zhao, Xiaogang Wang

At the core of our method, gradient regularization plays two key roles: (1) enforces the gradient of contrastive loss not to increase the supervised training loss on the source domain, which maintains the discriminative power of learned features; (2) regularizes the gradient update on the new domain not to increase the classification loss on the old target domains, which enables the model to adapt to an in-coming target domain while preserving the performance of previously observed domains.

Contrastive Learning Domain Adaptation

Long-term Blood Pressure Prediction with Deep Recurrent Neural Networks

2 code implementations12 May 2017 Peng Su, Xiao-Rong Ding, Yuan-Ting Zhang, Jing Liu, Fen Miao, Ni Zhao

Existing methods for arterial blood pressure (BP) estimation directly map the input physiological signals to output BP values without explicitly modeling the underlying temporal dependencies in BP dynamics.

Blood pressure estimation Electrocardiography (ECG) +1

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