openface/training/opts.lua

67 lines
2.5 KiB
Lua

local lfs = require 'lfs'
local M = { }
-- http://stackoverflow.com/questions/6380820/get-containing-path-of-lua-file
function script_path()
local str = debug.getinfo(2, "S").source:sub(2)
return str:match("(.*/)")
end
function M.parse(arg)
local cmd = torch.CmdLine()
cmd:text()
cmd:text('OpenFace')
cmd:text()
cmd:text('Options:')
------------ General options --------------------
cmd:option('-cache',
paths.concat(script_path(), 'work'),
'subdirectory in which to save/log experiments')
cmd:option('-data',
paths.concat(os.getenv('HOME'), 'openface', 'data',
'casia-facescrub',
'dlib-affine-sz:96'),
-- 'dlib-affine-224-split'),
'Home of dataset. Split into "train" and "val" directories that separate images by class.')
cmd:option('-manualSeed', 2, 'Manually set RNG seed')
cmd:option('-cudnn', true, 'Convert the model to cudnn.')
------------- Data options ------------------------
cmd:option('-nDonkeys', 2, 'number of donkeys to initialize (data loading threads)')
------------- Training options --------------------
cmd:option('-nEpochs', 1000, 'Number of total epochs to run')
cmd:option('-epochSize', 500, 'Number of batches per epoch')
cmd:option('-testEpochSize', 0, 'Number of batches to test per epoch')
cmd:option('-epochNumber', 1, 'Manual epoch number (useful on restarts)')
-- GPU memory usage depends on peoplePerBatch and imagesPerPerson.
cmd:option('-peoplePerBatch', 15, 'Number of people to sample in each mini-batch.')
cmd:option('-imagesPerPerson', 20, 'Number of images to sample per person in each mini-batch.')
---------- Model options ----------------------------------
cmd:option('-retrain', 'none', 'provide path to model to retrain with')
cmd:option('-modelDef', '../models/openface/nn4.def.lua', 'path to model definiton')
cmd:option('-imgDim', 96, 'Image dimension. nn2=224, nn4=96')
cmd:option('-embSize', 128, 'size of embedding from model')
cmd:option('-alpha', 0.2, 'margin in TripletLoss')
cmd:text()
local opt = cmd:parse(arg or {})
os.execute('mkdir -p ' .. opt.cache)
local count = 1
for f in lfs.dir(opt.cache) do
local isDir = paths.dirp(paths.concat(opt.cache, f))
if f ~= "." and f ~= ".." and isDir then
count = count + 1
end
end
opt.save = paths.concat(opt.cache, count)
return opt
end
return M