cs.RO 2207.02749

"Curse of rarity" for autonomous vehicles

Introduces 'Curse of Rarity' concept, analyzing how low frequency of safety-critical events in high-dimensional driving environments hampers autonomous vehicle safety.

Henry X. Liu, Shuo Feng

2022-07-06 42
cs.LG 2207.02505

Pure Transformers are Powerful Graph Learners

This paper introduces TokenGT, a pure Transformer for graphs using node and edge tokens, theoretically matching or surpassing 2-IGN in expressive power.

Jinwoo Kim, Tien Dat Nguyen, Seonwoo Min et al.

2022-07-06 41
cs.CV 2207.02504

Dual Decision Improves Open-Set Panoptic Segmentation

Dual decision framework combining known class discriminator and class-agnostic object head improves open-set panoptic segmentation PQ by over 30%.

Hai-Ming Xu, Hao Chen, Lingqiao Liu et al.

2022-07-06 9 citations 32
cs.LG 2206.15474

Forecasting Future World Events with Neural Networks

Introduces Autocast dataset with news retrieval, using large models (T5, GPT-2) for future event forecasting; accuracy 65% vs. 92% human baseline.

Andy Zou, Tristan Xiao, Ryan Jia et al.

2022-07-01 40
cs.LG 2206.15144

Neural Networks can Learn Representations with Gradient Descent

This paper proves that neural networks trained via gradient descent can efficiently learn high-degree polynomials depending on few features, with sample complexity much lower than kernel methods.

Alex Damian, Jason D. Lee, Mahdi Soltanolkotabi

2022-06-30 56
cs.LG 2206.11251

Behavior Transformers: Cloning $k$ modes with one stone

Proposes Behavior Transformer (BeT), combining action discretization and multi-task residual correction, to model multi-modal behaviors with high accuracy.

Nur Muhammad Mahi Shafiullah, Zichen Jeff Cui, Ariuntuya Altanzaya et al.

2022-06-23 46
cs.LG 2206.10935

A Study on the Evaluation of Generative Models

This study uses a synthetic dataset to compare FID, IS, and classical f-divergences, revealing that divergence-based metrics are more stable for model evaluation.

Eyal Betzalel, Coby Penso, Aviv Navon et al.

2022-06-22 28