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log.txt
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Video Data: https://www.dropbox.com/sh/03ur8a4v6doph1l/AAC-jmq-70SWfFgqrqjhRSnia?dl=0
5/23/2016
fixed att-rep single point model
- changed angle_diff to while instead of if loop
run single point model PF (to find error over time)
- TODO: define steady state error point
modularize code so pf is separate from simulation
starting att-rep line model
-only need to change find attraction?
5/24/2016 Chris Meeting
- Performance Metrics
- Error
- Add randomness
- Based on number of sharks or sharks’ speed
- Theory in the future
- Likelihood of visiting each cell
- Amount of time taken for shark to cover
- Transition Model
- Did att_line PF
5/25/2016
- Working on performance metrics
- Where should the sharks start from
- if start at zero, different time it takes to reach line
- if random position, what is random
- random within given distance from line??
- Matlab to PF
- matlab visualized on python
- why are there lines?
- fixed with sketchy stuff
5/26/2016
- performance metrics
- PF work when shark are near attraction line (300 time steps)
- wow, by my performance metric, estimated is better than actual
- Actual data
- it takes a really long time to run :(
- need to increase Gaussian variance in order to converge?
-att_line_PF
- doesn’t really work with random positions?
- trying slope and intercept
- z_t
- comparing z_t dist ^2 or dist
- using the same variance
- Chris: get variance from gaussian fit of distance
5/27/2016
-att_line_PF
- add fifth parameter (number of sharks)
- use num_shark vs. s.d. from gaussian fit to put as PF s.d.
- is the linear trend only for band?
- may want to redo with better K_att and K_rep
- compare between max s.d. and varying s.d.
5/31/2016
-Python -> Matlab
- point_to_line doesn't take into account line segment
- fixed
6/1/2016
- gaussian fit of sum_dist with +/- distance
- mean: around 0 YAY!
- sd: ~linearly increases with number of sharks
- +/- distance not a better metric
- it may rather fit itself to perpendicular
- bring abs(sum_dist) back
- gauss fit of max_dist
- use curve fitting tool to fit mu
6/3/2016
- check relative weighting of line fit and ns fit
- looking at propagation
- sigma = 0.5 is a lot!
6/6/2016
- work on better indicators for number of sharks
- 90 Percentile of Max Dist
- Moving Average
- Fish Population coverage
- Density?