Towards Realistic Predictors Pei Wang and Nuno Vasconcelos Statistical and Visual Computing Lab, UC San Diego mlKitchen X 2018.11.29 @_lunardog_ http://openaccess.thecvf.com/content_ECCV_2018/papers/Pei_Wang_Towards_Realistic_Predictors_ECCV_2018_paper.pdf
Self-Introduction ● Call me Leszek ● Born in Poland ● Living in Japan since 2010 ● Cookpad R&D since 2016 ● I consume too much science fiction ● I’m bad at selfies
Towards Realistic Predictors Pei Wang and Nuno Vasconcelos Statistical and Visual Computing Lab, UC San Diego http://openaccess.thecvf.com/content_ECCV_2018/papers/Pei_Wang_Towards_Realistic_Predictors_ECCV_2018_paper.pdf
Classifier HP-Net Training 1. train classifier F and HP-Net S jointly on training set D 2. run S on D and eliminate hard examples, to create realistic training set D′ 3. learn realistic classifier F′ on D′, with S fixed 4. output pair S, F′ 5. GOTO 1 D F S
Conclusions ● There are times when it’s OK to skip hard samples ● ...and times when it’s BEST to reject hard samples ● The paper introduces a GAN-like architecture to train any classifier with its own hardness predictor ● Training with a hardness predictor improves accuracy ● HP-Net should be trained jointly with the classifier, but in an alternating order ● HP-Net solves a different problem from the Classifier, should be a separate model ● ….but best results are when the architectures are the same
https://ja.wikipedia.org/wiki/2001年宇宙の旅 うちゅうのたび 2001年宇宙の旅 『2001年宇宙の旅』(にせんいちねんう ちゅうのたび、原題:2001: A Space Odyssey)は、アーサー・C・クラークとスタン リー・キューブリックのアイデアをまとめた ストーリーに基いて製作された、SF映画お よびSF小説である。 2001: A Space Odyssey is a 1968 epic science fiction film produced and directed by Stanley Kubrick. The screenplay was written by Kubrick and Arthur C. Clarke, and was inspired by Clarke's short story "The Sentinel". A novel also called 2001: A Space Odyssey, written concurrently with the screenplay, was published soon after the film was released. 2001: A Space Odyssey https://en.wikipedia.org/wiki/2001:_A_Space_Odyssey_(film)