diff options
Diffstat (limited to 'SD-VBS/benchmarks/texture_synthesis/src/matlab/mkSine.m')
| -rwxr-xr-x | SD-VBS/benchmarks/texture_synthesis/src/matlab/mkSine.m | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/SD-VBS/benchmarks/texture_synthesis/src/matlab/mkSine.m b/SD-VBS/benchmarks/texture_synthesis/src/matlab/mkSine.m deleted file mode 100755 index 147eb01..0000000 --- a/SD-VBS/benchmarks/texture_synthesis/src/matlab/mkSine.m +++ /dev/null | |||
| @@ -1,67 +0,0 @@ | |||
| 1 | % IM = mkSine(SIZE, PERIOD, DIRECTION, AMPLITUDE, PHASE, ORIGIN) | ||
| 2 | % or | ||
| 3 | % IM = mkSine(SIZE, FREQ, AMPLITUDE, PHASE, ORIGIN) | ||
| 4 | % | ||
| 5 | % Compute a matrix of dimension SIZE (a [Y X] 2-vector, or a scalar) | ||
| 6 | % containing samples of a 2D sinusoid, with given PERIOD (in pixels), | ||
| 7 | % DIRECTION (radians, CW from X-axis, default = 0), AMPLITUDE (default | ||
| 8 | % = 1), and PHASE (radians, relative to ORIGIN, default = 0). ORIGIN | ||
| 9 | % defaults to the center of the image. | ||
| 10 | % | ||
| 11 | % In the second form, FREQ is a 2-vector of frequencies (radians/pixel). | ||
| 12 | |||
| 13 | % Eero Simoncelli, 6/96. | ||
| 14 | |||
| 15 | function [res] = mkSine(sz, per_freq, dir_amp, amp_phase, phase_orig, orig) | ||
| 16 | |||
| 17 | %------------------------------------------------------------ | ||
| 18 | %% OPTIONAL ARGS: | ||
| 19 | |||
| 20 | if (prod(size(per_freq)) == 2) | ||
| 21 | frequency = norm(per_freq); | ||
| 22 | direction = atan2(per_freq(1),per_freq(2)); | ||
| 23 | if (exist('dir_amp') == 1) | ||
| 24 | amplitude = dir_amp; | ||
| 25 | else | ||
| 26 | amplitude = 1; | ||
| 27 | end | ||
| 28 | if (exist('amp_phase') == 1) | ||
| 29 | phase = amp_phase; | ||
| 30 | else | ||
| 31 | phase = 0; | ||
| 32 | end | ||
| 33 | if (exist('phase_orig') == 1) | ||
| 34 | origin = phase_orig; | ||
| 35 | end | ||
| 36 | if (exist('orig') == 1) | ||
| 37 | error('Too many arguments for (second form) of mkSine'); | ||
| 38 | end | ||
| 39 | else | ||
| 40 | frequency = 2*pi/per_freq; | ||
| 41 | if (exist('dir_amp') == 1) | ||
| 42 | direction = dir_amp; | ||
| 43 | else | ||
| 44 | direction = 0; | ||
| 45 | end | ||
| 46 | if (exist('amp_phase') == 1) | ||
| 47 | amplitude = amp_phase; | ||
| 48 | else | ||
| 49 | amplitude = 1; | ||
| 50 | end | ||
| 51 | if (exist('phase_orig') == 1) | ||
| 52 | phase = phase_orig; | ||
| 53 | else | ||
| 54 | phase = 0; | ||
| 55 | end | ||
| 56 | if (exist('orig') == 1) | ||
| 57 | origin = orig; | ||
| 58 | end | ||
| 59 | end | ||
| 60 | |||
| 61 | %------------------------------------------------------------ | ||
| 62 | |||
| 63 | if (exist('origin') == 1) | ||
| 64 | res = amplitude*sin(mkRamp(sz, direction, frequency, phase, origin)); | ||
| 65 | else | ||
| 66 | res = amplitude*sin(mkRamp(sz, direction, frequency, phase)); | ||
| 67 | end | ||
