#
# BDE_CWQ.moo
#
# Chen, Wang, Qian (2001) Fig. 6 complex cell
#
# w_x/2Pi = 0.4 cyc/deg *** WE MULT BY 3 BELOW ***
# w_t/2Pi = -2.0 Hz
# sig_x = 0.8 deg *** WE DIVIDE BY 3 BELOW - this is quite large ***
# sig_y = 1.2 deg *** WE DIVIDE BY 3 BELOW - this is quite large ***
# tau = 0.060 s
# phi_- = 210 deg
# phi_t = -0.1 Pi
# eta = 0.6
#
mod_type binoc_filter # Binocular energy filter
sscale 0.1 # degr/pix
tscale 0.002 # sec/frame
xn 32 # filter x size
yn 32 # filter y size
tn 128 # filter t size
phase_1 0 (deg) # Phase of cosine for first left filter
binoc_nonlin halfsq # Type of nonlinearity
right_sign ++++ # Sign of R.Eye signal (Eq 18 Read,Parker,Cumming 2002)
# A 4-char combination of + and -, e.g., ++-- [++++]
simp_rect 0 # 1-rectify simple cells, 0-do not rectify [0]
simp_thresh 0.0 # Subtracted from all simple monoc responses
# before rect. (Fraction of mean filter area) [0.0]
#
# Oriented linear filter
#
type Gabor_CWQ # type of filter
direction 0 (deg) # preferred direction
sf 1.2 (cyc/deg) # Spatial frequency
sd_orth 0.267 (deg) # SD space, orthogonal to sinusoid
sd_par 0.4 (deg) # SD space, parallel to sinusoid
phase 0.0 (deg) # Spatial phase offset
phase_shift -90.0 (deg) # Phase shift of R.Eye
alpha 2 # Temporal filter skewness: 2,3,...
tau 0.060 (s) # Temporal filter time consatant
tf 2.0 (cyc/s) # Temporal filter cosine TF
phi 18.0 (deg) # Temporal filter cosine phase
eta 0.6 # Fraction of Quadrature filter to add
#
# This phi = 0.1 Pi, other filter has phi = -0.4*PI = -72.0 deg
#
write_filter 0 # 0-none, 1,2,3,4 or 5=all
#
# Spike Generation
#
type poisson # Spike generation algorithm, dflt "poisson"; "ifc"
offset0 0.0 # Add to filter output, BEFORE scaling (0.0)
scale 0.00008 # (0.00007) Multiply filter output (1.0)
offset 0.0 # (-0.1) Add to filter output, AFTER scaling (0.0)
toffset 0.060 (s) # Time delay added to spike times
spike_dump 0 # Dump firing probability to 'zz.dump.pl' if 1