diff options
Diffstat (limited to 'SD-VBS/benchmarks/stitch/src/matlab/extractFeatures.m')
-rwxr-xr-x | SD-VBS/benchmarks/stitch/src/matlab/extractFeatures.m | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/SD-VBS/benchmarks/stitch/src/matlab/extractFeatures.m b/SD-VBS/benchmarks/stitch/src/matlab/extractFeatures.m deleted file mode 100755 index 38d2f7c..0000000 --- a/SD-VBS/benchmarks/stitch/src/matlab/extractFeatures.m +++ /dev/null | |||
@@ -1,56 +0,0 @@ | |||
1 | function vecF=extractFeatures(I, x, y, dataDir) | ||
2 | |||
3 | Igray = I; | ||
4 | w = (1/16)*[1 4 6 4 1]; | ||
5 | [n temp]=size(x); | ||
6 | |||
7 | %SUB sample rate s=5 | ||
8 | wt = w'; | ||
9 | Iconv=conv2(w, wt, Igray, 'same'); | ||
10 | Iconv=conv2(w, wt, Iconv, 'same'); | ||
11 | Isub=Iconv(1:5:end,1:5:end); | ||
12 | [nr nc]=size(Isub); | ||
13 | |||
14 | Xsub=min(floor(x/5)+1, nc-4); | ||
15 | Ysub=min(floor(y/5)+1, nr-4); | ||
16 | |||
17 | if(length(Xsub) < 6 || length(Ysub) < 10) | ||
18 | vecF = [Xsub Ysub]; | ||
19 | return; | ||
20 | end | ||
21 | |||
22 | newSize = 4; | ||
23 | [rows, cols] = size(I); | ||
24 | if(rows > 32 & cols >32) | ||
25 | newSize = 64; | ||
26 | end | ||
27 | |||
28 | for i=1:n | ||
29 | |||
30 | minValy = 3; | ||
31 | minValx = 3; | ||
32 | if( Ysub(i) < 4) | ||
33 | Ysub(i) = 4; | ||
34 | end | ||
35 | if( Xsub(i) < 4) | ||
36 | Xsub(i) = 4; | ||
37 | end | ||
38 | |||
39 | if( Ysub(i) > size(Isub,1)-4) | ||
40 | Ysub(i) = size(Isub,1)-4; | ||
41 | end | ||
42 | if( Xsub(i) > size(Isub,2)-4) | ||
43 | Xsub(i) = size(Isub,2)-4; | ||
44 | end | ||
45 | |||
46 | vecF(i,:)=reshape(Isub(Ysub(i)-minValy:Ysub(i)+4,Xsub(i)-minValx:Xsub(i)+4),1,newSize); | ||
47 | |||
48 | %normalization | ||
49 | vecF(i,:)=vecF(i,:)-mean(vecF(i,:)); | ||
50 | vecF(i,:)=vecF(i,:)/std(vecF(i,:)); | ||
51 | %imagesc(reshape(vecF(i,:),8,8)); colormap gray | ||
52 | %drawnow | ||
53 | %pause | ||
54 | end | ||
55 | |||
56 | |||