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💥 Think more real data is needed for scene reconstruction? Think again! Meet MegaSynth: scaling up feed-forward 3D scene reconstruction with synthesized scenes. In 3 days, it generates 700K scenes for training—70x larger than real data! ✨ The secret? Reconstruction is mostly non-semantic! No need to rely heavily on... show more

Hanwen Jiang

1,989 subscribers

26,969 просмотров • 1 год назад •via X (Twitter)

Наука и технологии Образование

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Комментарии: 10

Фото профиля Hanwen Jiang

Hanwen Jiang1 год назад

🔍 How does MegaSynth work? MegaSynth focuses on basic geometric structures, using augmented non-semantic shape primitives combined with randomized lighting and materials. It enhances data scalability, control, diversity, and provides accurate metadata for training models. (2/4)

Фото профиля Hanwen Jiang

Hanwen Jiang1 год назад

📈 MegaSynth delivers results! Training with MegaSynth consistently improves performance across models, testing scenarios, and training settings. It enhances handling of complex lighting, materials, thin structures, and cluttered scenes—highlighting the power of synthesized data! (3/4)

Фото профиля Hanwen Jiang

Hanwen Jiang1 год назад

🤯 Surprising insight. Training with zero real data performs comparably, confirming that multi-view reconstruction is largely non-semantic and low-level—aligning with observations from optimization-based methods like NeRF and COLMAP. (4/4)

Фото профиля Hanwen Jiang

Hanwen Jiang1 год назад

Joint work with @zexiangxu , @DesaiXie , @chenziwee , @Haian_Jin , @fujun_luan , Zhixin Shu, @KaiZhang9546 , @Sai__Bi , Xin Sun, Jiuxiang Gu, @qixing_huang , @geopavlakos and @HaoTan5

Фото профиля Jianyuan Wang

Jianyuan Wang1 год назад

Awesome! Do you happen to have an estimated timeline for the release of the data?

Фото профиля Hanwen Jiang

Hanwen Jiang1 год назад

Thanks for your interest. It should be very quick, probably in January

Фото профиля Dusan Svilarkovic

Dusan Svilarkovic1 год назад

What license are you using for datasets ?

Фото профиля Jonathan Clark

Jonathan Clark1 год назад

Looks really interesting! Would it be able to handle object centric reconstruction too?

Фото профиля Hanwen Jiang

Hanwen Jiang1 год назад

Yes it works. Object-centric is easier 😁

Фото профиля Thuan Hoang Nguyen

Thuan Hoang Nguyen1 год назад

How about real+synthetic combined ? Can it boost performance further ?

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