Search Results for author: Hang Ji

Found 6 papers, 3 papers with code

OG: Equip vision occupancy with instance segmentation and visual grounding

no code implementations12 Jul 2023 ZiChao Dong, Hang Ji, Weikun Zhang, Xufeng Huang, Junbo Chen

Occupancy prediction tasks focus on the inference of both geometry and semantic labels for each voxel, which is an important perception mission.

Instance Segmentation Segmentation +2

OVO: Open-Vocabulary Occupancy

1 code implementation25 May 2023 Zhiyu Tan, ZiChao Dong, Cheng Zhang, Weikun Zhang, Hang Ji, Hao Li

Semantic occupancy prediction aims to infer dense geometry and semantics of surroundings for an autonomous agent to operate safely in the 3D environment.

Knowledge Distillation

Predicting within and across language phoneme recognition performance of self-supervised learning speech pre-trained models

1 code implementation24 Jun 2022 Hang Ji, Tanvina Patel, Odette Scharenborg

Compared with MFCC, in the within-language scenario, the performance of these SSL speech pre-trained models on AF probing tasks achieved a maximum relative increase of 34. 4%, and it resulted in the lowest PER of 10. 2%.

Self-Supervised Learning

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