def testCreateSegment(self):
h = HTM()
h.initialize_input([[1, 1, 1], [1, 1, 1]])
cell = Cell()
startingSegments = config.getint("init", "segments_per_cell")
self.assertEqual(startingSegments, len(cell.segments))
cell.create_segment(h)
self.assertEqual(startingSegments + 1, len(cell.segments))
# make sure newly created segment has the right number of synapses
self.assertNotEqual(0, len(cell.segments[-1].synapses))
def setUp(self):
mat1 = [[1,0,0],[0,1,1]]
mat2 = [[1,0,1],[0,1,0]]
mat3 = [[0,1,1],[1,0,0]]
self.matrices = [mat1, mat2, mat3]
cards = FlashCards(1, mat1, mat2, mat3)
htm = HTM()
htm.initialize_input(mat1)
htm.execute(mat1, dataModifyFunc=cards.updateMatrix, ticks=3*10, learning=True)
self.htm = htm
def setUp(self):
mat1 = [[1,0,0],[0,1,1]]
mat2 = [[1,0,1],[0,1,0]]
mat3 = [[0,1,1],[1,0,0]]
self.matrices = [mat1, mat2, mat3]
cards = FlashCards(1, mat1, mat2, mat3)
htm = HTM()
htm.initialize_input(mat1)
htm.execute(dataGenerator=cards.dataGenerator(), ticks=3*10, learning=True)
self.htm = htm
def testFullFieldStaticImage(self):
print_htm_state = False
h = HTM(cellsPerColumn=1)
h.initialize_input(self.sea_anemone)
#learn the different static data images
swap = FlashCards(90, self.sea_anemone, self.seastar, self.sea_cucumber, self.hermitcrab)
h.execute(self.sea_anemone, swap.updateMatrix, ticks=90*4*3)
#run the htm network through and save the state in a history object
swap = FlashCards(10, self.sea_anemone, self.seastar, self.sea_cucumber, self.hermitcrab)
history = ExciteHistory(temporal=False)
h.execute(self.sea_anemone, swap.updateMatrix, ticks=10*4, learning=False, postTick=history.update)
#label the different static data images
recognize = ObjectRecognize()
recognize.label('sea_anemone', history.data[-31])
recognize.label('seastar', history.data[-21])
recognize.label('sea_cucumber', history.data[-11])
recognize.label('hermitcrab', history.data[-1])
if print_htm_state:
print "\n\n*************** Recognition Labeling **************\n\n"
print history.text_graph()
#test recognition of the different static data images
swap.reset()
history = ExciteHistory(temporal=False)
h.execute(self.sea_anemone, swap.updateMatrix, ticks=10*4, learning=False, postTick=history.update)
if print_htm_state:
print "\n\n*************** Recognition Testing **************\n\n"
print history.text_graph()
#show and test recognition data
testnames = ['sea_anemone', 'seastar', 'sea_cucumber', 'hermitcrab']
testdata = history.data[9:40:10]
print recognize.getMatchText(testnames, testdata)
for x, labelrow in enumerate(recognize.getMatchData(testnames, testdata)):
for y, match_percent in enumerate(labelrow):
if x == y:
self.assertGreaterEqual(match_percent, 0.9,
msg='htm did not correctly recognize the %s (%.1f%% match)' % (
testnames[x], match_percent*100))
else:
self.assertLessEqual(match_percent, 0.8,
msg='htm thought it recognized a %s, when it saw a %s (%.1f%% match)' %(
testnames[x], testnames[y], match_percent*100))
def setUp(self):
mat1 = [[1, 0, 0], [0, 1, 1]]
mat2 = [[1, 0, 1], [0, 1, 0]]
mat3 = [[0, 1, 1], [1, 0, 0]]
self.matrices = [mat1, mat2, mat3]
cards = FlashCards(1, mat1, mat2, mat3)
htm = HTM()
htm.initialize_input(mat1)
htm.execute(dataGenerator=cards.dataGenerator(),
ticks=3 * 10,
learning=True)
self.htm = htm
def setUp(self):
self.htm = HTM()
self.data = [[1,0,1],[0,0,1]] #2d format, same dimensions as htm (for now)
pass
class TestHTM(unittest.TestCase):
def setUp(self):
self.htm = HTM()
self.data = [[1,0,1],[0,0,1]] #2d format, same dimensions as htm (for now)
pass
def tearDown(self):
pass
def _initialize(self):
self.htm.initialize_input(self.data)
def testInit(self):
htm = self.htm
self._initialize()
self.assertEqual(htm.width, 2)
self.assertEqual(htm.length, 3)
cols = 0
for col in htm.columns:
cols += 1
self.assertEqual(len(col.synapses), config.getint('init', 'synapses_per_segment'))
self.assertEqual(cols, 6)
def testKthNeighbor(self):
'kth_neighbor in small networks'
htm = self.htm
self._initialize()
sameNeighbor = None
for col in htm.columns:
neighbor = col.kth_neighbor(7) #ask for a lower neighbor than exists
if sameNeighbor is not None:
self.assertEqual(sameNeighbor, neighbor)
else:
sameNeighbor = neighbor
def testReceptiveField(self):
self._initialize()
self.htm.average_receptive_field_size()
def testDataLoop(self):
htm = self.htm
data = [[1,0,1],[0,0,1]] #2d format, same dimensions as htm (for now)
htm.initialize_input(data)
htm.execute(flipDataGenerator(htm), ticks=20)
#show output (this is way too verbose to leave in for long,
# but useful during early testing)
# for cell in htm.cells:
# print cell
# for col in htm.columns:
# print col
def testStability(self):
'test that repeated patterns get recognized by the same columns after stabilizing'
htm = self.htm
#2d format, same dimensions as htm (for now)
data = [[1,0,1,0,1,0,1,0,1,0],[0,0,0,0,1,0,0,0,0,1]]
htm.initialize_input(data)
flipDat = flipDataGenerator(htm)
htm.execute(flipDat, ticks=50)
active = htm.columns_active()
htm.execute(flipDat, ticks=1)
self.assertEqual(active, htm.columns_active())
htm.execute(flipDat, ticks=1)
self.assertEqual(active, htm.columns_active())
#show that stability is non-trivial because it changes at the next time step
htm.execute(flipDat, ticks=0)
self.assertNotEqual(active, htm.columns_active())
def testPatternTraining(self):
'test that within columns, particular cells dominate when they recognize learned temporal patterns'
htm = self.htm
#2d format, same dimensions as htm (for now)
data = [
[1,0,1,0,1,0,1,0,1,0],
[0,0,0,0,1,0,1,0,1,1],
[0,0,1,0,1,0,0,0,0,1],
[0,1,0,0,1,1,0,1,0,1],
[1,0,1,0,1,0,1,0,0,1],
[0,0,0,1,1,0,0,0,1,1],
]
htm.initialize_input(data)
flipDat = flipDataGenerator(htm)
htm.execute(flipDat, ticks=100)
activeCols = htm.columns_active()
#all columns should have learned particular cell patterns by now
for col in activeCols:
self.assertNotEqual(len(col.cells), len(filter(lambda cell: cell.active, col.cells)))
def testImagination(self):
input1 = Mock()
input1.stimulation=0
input2 = Mock()
input2.stimulation=0
synapse1 = Mock()
synapse1.input = input1
synapse2 = Mock()
synapse2.input = input2
col1 = Mock()
col1.synapsesConnected = [synapse1, synapse2]
col2 = Mock()
col2.synapsesConnected = [synapse2]
columns = [col1,col2]
inputCells = [[input1, input2]]
self.htm._imagineStimulate(columns)
input1.mockCheckCall(0, 'stimulate', 0.5)
input2.mockCheckCall(0, 'stimulate', 0.5)
input2.mockCheckCall(1, 'stimulate', 1)
input1.stimulation = 0.5
input2.stimulation = 1.5
self.htm._imagineOverride(inputCells)
input1.mockCheckCall(1, 'override')
input2.mockCheckCall(2, 'override')
def testFullFieldStaticImage(self):
print_htm_state = False
h = HTM(cellsPerColumn=1)
h.initialize_input(self.sea_anemone, compressionFactor=3.5)
#learn the different static data images
swap = FlashCards(90, self.sea_anemone, self.seastar,
self.sea_cucumber, self.hermitcrab)
h.execute(swap.dataGenerator(), ticks=90 * 4 * 3 - 1)
#run the htm network through and save the state in a history object
swap = FlashCards(10, self.sea_anemone, self.seastar,
self.sea_cucumber, self.hermitcrab)
history = ExciteHistory(temporal=False)
h.execute(swap.dataGenerator(),
ticks=10 * 4 - 1,
learning=False,
postTick=history.update)
#label the different static data images
recognize = ObjectRecognize()
recognize.label('sea_anemone', history.data[-31])
recognize.label('seastar', history.data[-21])
recognize.label('sea_cucumber', history.data[-11])
recognize.label('hermitcrab', history.data[-1])
if print_htm_state:
print "\n\n*************** Recognition Labeling **************\n\n"
print history.text_graph()
#test recognition of the different static data images
swap.reset()
history = ExciteHistory(temporal=False)
h.execute(swap.dataGenerator(),
ticks=10 * 4 - 1,
learning=False,
postTick=history.update)
if print_htm_state:
print "\n\n*************** Recognition Testing **************\n\n"
print history.text_graph()
#show and test recognition data
testnames = ['sea_anemone', 'seastar', 'sea_cucumber', 'hermitcrab']
testdata = history.data[9:40:10]
print recognize.getMatchText(testnames, testdata)
for x, labelrow in enumerate(
recognize.getMatchData(testnames, testdata)):
for y, match_percent in enumerate(labelrow):
if x == y:
self.assertGreaterEqual(
match_percent,
0.9,
msg=
'htm did not correctly recognize the %s (%.1f%% match)'
% (testnames[x], match_percent * 100))
else:
self.assertLessEqual(
match_percent,
0.8,
msg=
'htm thought it recognized a %s, when it saw a %s (%.1f%% match)'
% (testnames[x], testnames[y], match_percent * 100))
'''
Created on Nov 26, 2010
@author: Jason Carver
'''
from carver.htm import HTM
if __name__ == '__main__':
htm = HTM()
#prepare the initial data image in 2d format, same dimensions as htm, for now
data = [
[1,0,1,0,1,0,1,0,1,0],
[0,0,0,0,1,0,1,0,1,1],
[0,0,1,0,1,0,0,0,0,1],
[0,1,0,0,1,1,0,1,0,1],
[1,0,1,0,1,0,1,0,0,1],
[0,0,0,1,1,0,0,0,1,1],
]
htm.initialize_input(data)
#this method should update the data matrix in place
def dataUpdate(data):
'flip all bits in data matrix'
for x in xrange(len(data)):
data[x]=map(lambda bit: not bit, data[x])
htm.execute(data, dataUpdate, ticks=30)
#start with non-flipped data
yield htm._data
while True:
#flip all data
dataFlipped = deepcopy(htm._data)
for x in xrange(len(dataFlipped)):
for y in xrange(len(dataFlipped[0])):
dataFlipped[x][y] = not dataFlipped[x][y]
yield dataFlipped
if __name__ == '__main__':
htm = HTM()
#prepare the initial data image in 2d format, same dimensions as htm, for now
data = [
[1, 0, 1, 0, 1, 0, 1, 0, 1, 0],
[0, 0, 0, 0, 1, 0, 1, 0, 1, 1],
[0, 0, 1, 0, 1, 0, 0, 0, 0, 1],
[0, 1, 0, 0, 1, 1, 0, 1, 0, 1],
[1, 0, 1, 0, 1, 0, 1, 0, 0, 1],
[0, 0, 0, 1, 1, 0, 0, 0, 1, 1],
]
htm.initialize_input(data)
#track htm's data history with
history = ExciteHistory()
class TestHTM(unittest.TestCase):
def setUp(self):
self.htm = HTM()
self.data = [[1,0,1],[0,0,1]] #2d format, same dimensions as htm (for now)
pass
def tearDown(self):
pass
def _initialize(self):
self.htm.initialize_input(self.data)
def testInit(self):
htm = self.htm
self._initialize()
self.assertEqual(htm.width, 2)
self.assertEqual(htm.length, 3)
cols = 0
for col in htm.columns:
cols += 1
self.assertEqual(len(col.synapses), config.getint('init', 'synapses_per_segment'))
self.assertEqual(cols, 6)
def testKthNeighbor(self):
'kth_neighbor in small networks'
htm = self.htm
self._initialize()
sameNeighbor = None
for col in htm.columns:
neighbor = col.kth_neighbor(7) #ask for a lower neighbor than exists
if sameNeighbor is not None:
self.assertEqual(sameNeighbor, neighbor)
else:
sameNeighbor = neighbor
def testReceptiveField(self):
self._initialize()
self.htm.average_receptive_field_size()
def flipDataGenerator(self, htm):
def flipData(data):
#flip all data
for x in xrange(htm.width):
for y in xrange(htm.length):
data[x][y] = not data[x][y]
return flipData
def testDataLoop(self):
htm = self.htm
data = [[1,0,1],[0,0,1]] #2d format, same dimensions as htm (for now)
htm.initialize_input(data)
htm.execute(data, self.flipDataGenerator(htm), ticks=20)
#show output (this is way too verbose to leave in for long,
# but useful during early testing)
# for cell in htm.cells:
# print cell
# for col in htm.columns:
# print col
def testStability(self):
'test that repeated patterns get recognized by the same columns after stabilizing'
htm = self.htm
#2d format, same dimensions as htm (for now)
data = [[1,0,1,0,1,0,1,0,1,0],[0,0,0,0,1,0,0,0,0,1]]
htm.initialize_input(data)
flipDat = self.flipDataGenerator(htm)
htm.execute(data, flipDat, ticks=50)
active = htm.columns_active()
htm.execute(data, flipDat, ticks=2)
self.assertEqual(active, htm.columns_active())
htm.execute(data, flipDat, ticks=2)
self.assertEqual(active, htm.columns_active())
#show that stability is non-trivial because it changes at the next time step
htm.execute(data, flipDat)
self.assertNotEqual(active, htm.columns_active())
def testPatternTraining(self):
'test that within columns, particular cells dominate when they recognize learned temporal patterns'
htm = self.htm
#2d format, same dimensions as htm (for now)
data = [
[1,0,1,0,1,0,1,0,1,0],
[0,0,0,0,1,0,1,0,1,1],
[0,0,1,0,1,0,0,0,0,1],
[0,1,0,0,1,1,0,1,0,1],
[1,0,1,0,1,0,1,0,0,1],
[0,0,0,1,1,0,0,0,1,1],
]
htm.initialize_input(data)
flipDat = self.flipDataGenerator(htm)
htm.execute(data, flipDat, ticks=100)
htm.execute(data, flipDat, ticks=1)
activeCols = htm.columns_active()
#all columns should have learned particular cell patterns by now
for col in activeCols:
self.assertNotEqual(len(col.cells), len(filter(lambda cell: cell.active, col.cells)))
def flipDataGenerator(htm):
#start with non-flipped data
yield htm._data
while True:
#flip all data
dataFlipped = deepcopy(htm._data)
for x in xrange(len(dataFlipped)):
for y in xrange(len(dataFlipped[0])):
dataFlipped[x][y] = not dataFlipped[x][y]
yield dataFlipped
if __name__ == '__main__':
htm = HTM()
#prepare the initial data image in 2d format, same dimensions as htm, for now
data = [
[1,0,1,0,1,0,1,0,1,0],
[0,0,0,0,1,0,1,0,1,1],
[0,0,1,0,1,0,0,0,0,1],
[0,1,0,0,1,1,0,1,0,1],
[1,0,1,0,1,0,1,0,0,1],
[0,0,0,1,1,0,0,0,1,1],
]
htm.initialize_input(data)
#track htm's data history with
history = ExciteHistory()
def setUp(self):
self.htm = HTM()
self.data = [[1, 0, 1],
[0, 0, 1]] #2d format, same dimensions as htm (for now)
pass
class TestHTM(unittest.TestCase):
def setUp(self):
self.htm = HTM()
self.data = [[1, 0, 1],
[0, 0, 1]] #2d format, same dimensions as htm (for now)
pass
def tearDown(self):
pass
def _initialize(self):
self.htm.initialize_input(self.data)
def testInit(self):
htm = self.htm
self._initialize()
self.assertEqual(htm.width, 2)
self.assertEqual(htm.length, 3)
cols = 0
for col in htm.columns:
cols += 1
self.assertEqual(len(col.synapses),
config.getint('init', 'synapses_per_segment'))
self.assertEqual(cols, 6)
def testKthNeighbor(self):
'kth_neighbor in small networks'
htm = self.htm
self._initialize()
sameNeighbor = None
for col in htm.columns:
neighbor = col.kth_neighbor(
7) #ask for a lower neighbor than exists
if sameNeighbor is not None:
self.assertEqual(sameNeighbor, neighbor)
else:
sameNeighbor = neighbor
def testReceptiveField(self):
self._initialize()
self.htm.average_receptive_field_size()
def testDataLoop(self):
htm = self.htm
data = [[1, 0, 1], [0, 0,
1]] #2d format, same dimensions as htm (for now)
htm.initialize_input(data)
htm.execute(flipDataGenerator(htm), ticks=20)
#show output (this is way too verbose to leave in for long,
# but useful during early testing)
# for cell in htm.cells:
# print cell
# for col in htm.columns:
# print col
def testStability(self):
'test that repeated patterns get recognized by the same columns after stabilizing'
htm = self.htm
#2d format, same dimensions as htm (for now)
data = [[1, 0, 1, 0, 1, 0, 1, 0, 1, 0], [0, 0, 0, 0, 1, 0, 0, 0, 0, 1]]
htm.initialize_input(data)
flipDat = flipDataGenerator(htm)
htm.execute(flipDat, ticks=50)
active = htm.columns_active()
htm.execute(flipDat, ticks=1)
self.assertEqual(active, htm.columns_active())
htm.execute(flipDat, ticks=1)
self.assertEqual(active, htm.columns_active())
#show that stability is non-trivial because it changes at the next time step
htm.execute(flipDat, ticks=0)
self.assertNotEqual(active, htm.columns_active())
def testPatternTraining(self):
'test that within columns, particular cells dominate when they recognize learned temporal patterns'
htm = self.htm
#2d format, same dimensions as htm (for now)
data = [
[1, 0, 1, 0, 1, 0, 1, 0, 1, 0],
[0, 0, 0, 0, 1, 0, 1, 0, 1, 1],
[0, 0, 1, 0, 1, 0, 0, 0, 0, 1],
[0, 1, 0, 0, 1, 1, 0, 1, 0, 1],
[1, 0, 1, 0, 1, 0, 1, 0, 0, 1],
[0, 0, 0, 1, 1, 0, 0, 0, 1, 1],
]
htm.initialize_input(data)
flipDat = flipDataGenerator(htm)
htm.execute(flipDat, ticks=100)
activeCols = htm.columns_active()
#all columns should have learned particular cell patterns by now
for col in activeCols:
self.assertNotEqual(
len(col.cells), len(filter(lambda cell: cell.active,
col.cells)))
def testImagination(self):
input1 = Mock()
input1.stimulation = 0
input2 = Mock()
input2.stimulation = 0
synapse1 = Mock()
synapse1.input = input1
synapse2 = Mock()
synapse2.input = input2
col1 = Mock()
col1.synapsesConnected = [synapse1, synapse2]
col2 = Mock()
col2.synapsesConnected = [synapse2]
columns = [col1, col2]
inputCells = [[input1, input2]]
self.htm._imagineStimulate(columns)
input1.mockCheckCall(0, 'stimulate', 0.5)
input2.mockCheckCall(0, 'stimulate', 0.5)
input2.mockCheckCall(1, 'stimulate', 1)
input1.stimulation = 0.5
input2.stimulation = 1.5
self.htm._imagineOverride(inputCells)
input1.mockCheckCall(1, 'override')
input2.mockCheckCall(2, 'override')
def setUp(self):
self.col = Column(HTM(), 0, 0, 4)
pass
'''
Created on Nov 26, 2010
@author: Jason Carver
'''
from carver.htm import HTM
from carver.htm.ui.excite_history import ExciteHistory
if __name__ == '__main__':
htm = HTM()
#prepare the initial data image in 2d format, same dimensions as htm, for now
data = [
[1,0,1,0,1,0,1,0,1,0],
[0,0,0,0,1,0,1,0,1,1],
[0,0,1,0,1,0,0,0,0,1],
[0,1,0,0,1,1,0,1,0,1],
[1,0,1,0,1,0,1,0,0,1],
[0,0,0,1,1,0,0,0,1,1],
]
htm.initialize_input(data)
#this method should update the data matrix in place
def dataUpdate(data):
'flip all bits in data matrix'
for x in xrange(len(data)):
data[x]=map(lambda bit: not bit, data[x])
#track htm's data history with
