search

JosephKJ / OWOD

(CVPR 2021 Oral) Open World Object Detection
https://josephkj.in
Apache License 2.0
1.03k stars 155 forks source link

Problems about ablation experiments and Oracle #20

Closed moyoung1996 closed 3 years ago

moyoung1996 commented 3 years ago

Thanks for your great paper! I have some questions about the paper. 1.What does Oracle actually mean? Is it an existing detector or something else? I cannot find any paper about it. 2.Row 4 of ablation experiments(Table 4) shows that only ALU can have a good effect on experiments. How it works without contrastive clustering?

JosephKJ commented 3 years ago

Hi @moyoung1996, thank you for your kind words.

  1. What does Oracle actually mean? Is it an existing detector or something else? I cannot find any paper about it.

    • As mentioned in Sec 5.3: "An ‘Oracle’ detector has access to all known and unknown labels at any point, and serves as a reference."

  2. Row 4 of ablation experiments(Table 4) shows that only ALU can have a good effect on experiments. How it works without contrastive clustering?

    • The RPN proposals are auto-labelled based on the objectness measure. Please find more info in Sec 4.2. Contrastive clustering is not a pre-req for ALU.