Search Results for author: Ziyi Lin

Found 11 papers, 10 papers with code

TerDiT: Ternary Diffusion Models with Transformers

1 code implementation23 May 2024 Xudong Lu, Aojun Zhou, Ziyi Lin, Qi Liu, Yuhui Xu, Renrui Zhang, Yafei Wen, Shuai Ren, Peng Gao, Junchi Yan, Hongsheng Li

Recent developments in large-scale pre-trained text-to-image diffusion models have significantly improved the generation of high-fidelity images, particularly with the emergence of diffusion models based on transformer architecture (DiTs).

Image Generation Quantization

Retrieving-to-Answer: Zero-Shot Video Question Answering with Frozen Large Language Models

no code implementations15 Jun 2023 Junting Pan, Ziyi Lin, Yuying Ge, Xiatian Zhu, Renrui Zhang, Yi Wang, Yu Qiao, Hongsheng Li

Video Question Answering (VideoQA) has been significantly advanced from the scaling of recent Large Language Models (LLMs).

Ranked #3 on Temporal/Casual QA on NExT-QA (using extra training data)

cross-modal alignment Domain Generalization +3

LLaMA-Adapter V2: Parameter-Efficient Visual Instruction Model

3 code implementations28 Apr 2023 Peng Gao, Jiaming Han, Renrui Zhang, Ziyi Lin, Shijie Geng, Aojun Zhou, Wei zhang, Pan Lu, Conghui He, Xiangyu Yue, Hongsheng Li, Yu Qiao

This strategy effectively alleviates the interference between the two tasks of image-text alignment and instruction following and achieves strong multi-modal reasoning with only a small-scale image-text and instruction dataset.

Instruction Following Optical Character Recognition (OCR) +7

Mimic before Reconstruct: Enhancing Masked Autoencoders with Feature Mimicking

1 code implementation9 Mar 2023 Peng Gao, Renrui Zhang, Rongyao Fang, Ziyi Lin, Hongyang Li, Hongsheng Li, Qiao Yu

To alleviate this, previous methods simply replace the pixel reconstruction targets of 75% masked tokens by encoded features from pre-trained image-image (DINO) or image-language (CLIP) contrastive learning.

Contrastive Learning Decoder

Frozen CLIP Models are Efficient Video Learners

2 code implementations6 Aug 2022 Ziyi Lin, Shijie Geng, Renrui Zhang, Peng Gao, Gerard de Melo, Xiaogang Wang, Jifeng Dai, Yu Qiao, Hongsheng Li

Video recognition has been dominated by the end-to-end learning paradigm -- first initializing a video recognition model with weights of a pretrained image model and then conducting end-to-end training on videos.

Ranked #28 on Action Classification on Kinetics-400 (using extra training data)

Action Classification Decoder +1

ConvMAE: Masked Convolution Meets Masked Autoencoders

5 code implementations8 May 2022 Peng Gao, Teli Ma, Hongsheng Li, Ziyi Lin, Jifeng Dai, Yu Qiao

Masked auto-encoding for feature pretraining and multi-scale hybrid convolution-transformer architectures can further unleash the potentials of ViT, leading to state-of-the-art performances on image classification, detection and semantic segmentation.

Computational Efficiency Image Classification +2

1st place solution for AVA-Kinetics Crossover in AcitivityNet Challenge 2020

2 code implementations16 Jun 2020 Siyu Chen, Junting Pan, Guanglu Song, Manyuan Zhang, Hao Shao, Ziyi Lin, Jing Shao, Hongsheng Li, Yu Liu

This technical report introduces our winning solution to the spatio-temporal action localization track, AVA-Kinetics Crossover, in ActivityNet Challenge 2020.

Relation Network Spatio-Temporal Action Localization +1

Avatar-Net: Multi-scale Zero-shot Style Transfer by Feature Decoration

3 code implementations CVPR 2018 Lu Sheng, Ziyi Lin, Jing Shao, Xiaogang Wang

Zero-shot artistic style transfer is an important image synthesis problem aiming at transferring arbitrary style into content images.

Image Generation Image Reconstruction +1

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