Search Results for author: Ding Zhou

Found 7 papers, 6 papers with code

Video-CSR: Complex Video Digest Creation for Visual-Language Models

no code implementations8 Oct 2023 Tingkai Liu, Yunzhe Tao, Haogeng Liu, Qihang Fan, Ding Zhou, Huaibo Huang, Ran He, Hongxia Yang

We present a novel task and human annotated dataset for evaluating the ability for visual-language models to generate captions and summaries for real-world video clips, which we call Video-CSR (Captioning, Summarization and Retrieval).

Retrieval Sentence +1

Revisiting Multimodal Representation in Contrastive Learning: From Patch and Token Embeddings to Finite Discrete Tokens

1 code implementation CVPR 2023 Yuxiao Chen, Jianbo Yuan, Yu Tian, Shijie Geng, Xinyu Li, Ding Zhou, Dimitris N. Metaxas, Hongxia Yang

However, direct aligning cross-modal information using such representations is challenging, as visual patches and text tokens differ in semantic levels and granularities.

Contrastive Learning

Learning identifiable and interpretable latent models of high-dimensional neural activity using pi-VAE

1 code implementation NeurIPS 2020 Ding Zhou, Xue-Xin Wei

Specifically, we propose to construct latent variable models of neural activity while simultaneously modeling the relation between the latent and task variables (non-neural variables, e. g. sensory, motor, and other externally observable states).

Hippocampus

A zero-inflated gamma model for deconvolved calcium imaging traces

1 code implementation5 Jun 2020 Xue-Xin Wei, Ding Zhou, Andres Grosmark, Zaki Ajabi, Fraser Sparks, Pengcheng Zhou, Mark Brandon, Attila Losonczy, Liam Paninski

However, statistical modeling of deconvolved calcium signals (i. e., the estimated activity extracted by a pre-processing pipeline) is just as critical for interpreting calcium measurements, and for incorporating these observations into downstream probabilistic encoding and decoding models.

Denoising

Disentangled Sticky Hierarchical Dirichlet Process Hidden Markov Model

1 code implementation6 Apr 2020 Ding Zhou, Yuanjun Gao, Liam Paninski

The Hierarchical Dirichlet Process Hidden Markov Model (HDP-HMM) has been used widely as a natural Bayesian nonparametric extension of the classical Hidden Markov Model for learning from sequential and time-series data.

Time Series Time Series Analysis

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