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$ rosrun cartographer_ros cartographer_rosbag_validate -bag_filename $PWD/e2w-patched.bag | |
I1030 22:02:45.935303 14457 rosbag_validate_main.cc:398] Time delta histogram for consecutive messages on topic "/imu/data" (frame_id: "base_imu"): | |
Count: 26499 Min: 0.000612 Max: 0.023971 Mean: 0.010000 | |
[0.000612, 0.002948) Count: 6 (0.022642%) Total: 6 (0.022642%) | |
[0.002948, 0.005284) Count: 43 (0.162270%) Total: 49 (0.184913%) | |
[0.005284, 0.007620) Count: 20 (0.075475%) Total: 69 (0.260387%) | |
[0.007620, 0.009956) ## Count: 3036 (11.457036%) Total: 3105 (11.717423%) | |
[0.009956, 0.012292) ################## Count: 23324 (88.018417%) Total: 26429 (99.735840%) | |
[0.012292, 0.014627) Count: 55 (0.207555%) Total: 26484 (99.943398%) |
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$rosrun cartographer_ros cartographer_rosbag_validate -bag_filename $PWD/shuttle_route-patched.bag | |
I1030 21:58:40.303122 14001 rosbag_validate_main.cc:398] Time delta histogram for consecutive messages on topic "/imu/data" (frame_id: "base_imu"): | |
Count: 92264 Min: 0.000462 Max: 0.027200 Mean: 0.010000 | |
[0.000462, 0.003136) Count: 126 (0.136565%) Total: 126 (0.136565%) | |
[0.003136, 0.005810) Count: 305 (0.330573%) Total: 431 (0.467138%) | |
[0.005810, 0.008483) Count: 1290 (1.398162%) Total: 1721 (1.865300%) | |
[0.008483, 0.011157) ################### Count: 88652 (96.085144%) Total: 90373 (97.950447%) | |
[0.011157, 0.013831) Count: 1451 (1.572661%) Total: 91824 (99.523109%) | |
[0.013831, 0.016505) Count: 301 (0.326238%) Total: 92125 (99.849342%) |
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#Deep Learning (Neural Networks) | |
A day prior to my Deep Learning nanodegree foundation begins, I try to prep myself as much as possible for the topics that are to be covered. And I stumbled upon Welch Labs YouTube Channel with 7 parts of their videos to explain and code Deep Learning Neural Networks in Python with a simple case. | |
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Coding a neural network to learn it | |
So I thought of how I, as a kinesthetic learner, can learn neural network, and I thought of just trying to work out the same example given in the first part of neural networks from Welch Labs: |