05 2018 档案
摘要：https://en.wikipedia.org/wiki/Bayesian_inference
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摘要：skip over
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摘要：contact, friction, etc. are unknown
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摘要：skip over
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摘要：jump over this lecture
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摘要：after the break, we'll extend our IRL into continuous spaces
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摘要：yellow region corresponds to β blue to α
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摘要：make compromise between learnt policy and minimal cost！ π hat is using states π theta is using observations
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摘要：MPC means replan every step Every N step, rebuild the dynamic model
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摘要：transition possibility is unknown and we even don't need to estimate the possibility
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摘要：understand that correlated samples cause problem. and how paralled solve the problem another solution is replay buffers, fully ultilizing the advantag
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摘要：in most AC algorithms, we actually just fit value function. less common to fit Q function as well. batch：off line， monte carlo。online： bootstrap，TD in
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摘要：green bar is the reward function, blue curve is the possibility of differenct trajectories if green bars are equally increased to yellow bars, the res
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摘要：first order markov chain on policy algorithm is easier to be paralleled off policy algorithm has to fit transition net, and policy net. much more comp
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摘要：前面弄错了，应该看2017的秋季课，结果看了春季课了。 neural network control a virtual robot, by imitating human motion Domain shift cause the failure of supervised learning in
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摘要：initialization dramatically influences the trajectory. the current state depends on all the past decision. ones reflect the dimensions being counted.
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摘要：There are some problems: mismatch of model and reality; gradient explosion so, the dynamics can be quite messy, and backpropogating can be quite probl
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摘要：solved normally by sequential quadratic programming algorithms an example of linear system
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摘要：You have to force experts to treat some uncommon and extreme situations. a mechanical way to learn However, we don't know rt if you use sequence GAN,
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摘要：not only JS divergence could be applied to GAN, other divergences are all applicable! f start is convex several ACG icons become very similar, if trai
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摘要：Too much limitation of Gaussian model. The images are too blurry. So any general model? But if PG(x;θ) is a neural network, it's impossible to calcula
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摘要：HW2: input a sentence, output an ACG icon 3 target: trains from front view, side views. So that the output would be the average of the three pictures.
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摘要：比较有用的是conditioned generator，能够控制输入的vector来控制对应的文字音像 https://zhuanlan.zhihu.com/p/24767059 单纯生成人脸意义不大，因为随便拍一个路人就行了。 但是能从左右照片生成正面照片，就很神奇了 必须学会辨别转折 Varia
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摘要：https://www.bilibili.com/video/av15997678/ My own deep reinforcement learning code: https://github.com/ysgclight/Reinforcement-Learning-with-Pytorch D
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摘要：data augumentation
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摘要：10 free hours run on AWS click this one click on new machine pick a region choose linux ubuntu 16 250GB is preferred ctrl shift v to paste your passwo
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摘要：https://www.bilibili.com/video/av22940029 left hand side: NN being constructed right hand side: NN being called turn the NN code into GPU compatible m
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摘要：high bias if the robot has learnt something (no changes appear with iterations) however, in the real world tasks, the task could change a little bit,
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摘要：model free: high variance. model based: high bias within 1h of human demonstration of each task, VR!!!
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摘要：intrinsic ambiguity: move toward purple triangle? move away from red triangle? move along grey arrow? or the combine of them? the right part of the ri
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摘要：So, the process is similar to one-to-many RNN? learn much more efficiently than model-free method iteratively get better less than 300 trials ~ 25min
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摘要：you wouldn't try to explore any problem structure in DFO low dimension policy 30 degrees of freedom 120 paramaters to tune keep the positive results i
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摘要：^ is the square root of epsilon a simplified version of hard version a more smooth way to find correct solution the first term is the REINFORCE term,
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摘要：fast feedback to robot with better shape reward func, and learning could be much faster open ai baseline rllab multiple tasks and multiple seeds to te
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摘要：https://statweb.stanford.edu/~owen/mc/Ch-var-is.pdf https://zhuanlan.zhihu.com/p/29934206 blue curve is the lower bounded one conjugate gradient to so
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摘要：https://drive.google.com/file/d/0BxXI_RttTZAhTUpqUFdEZ3BXNFE/view game of Pong is a MDP. 终于一睹AK真容了，很有想法，很幽默 http://karpathy.github.io/
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摘要：http://www.denizyuret.com/2015/03/alec-radfords-animations-for.html https://zhuanlan.zhihu.com/p/22252270
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