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Dependencies: mbed freescal_cup_k22f
Diff: source/Camera.cpp
- Revision:
- 15:b77dc649e4f3
- Parent:
- 10:3424e7b66671
- Child:
- 16:88433b5650df
--- a/source/Camera.cpp Tue Jan 13 18:47:33 2015 +0000 +++ b/source/Camera.cpp Wed Jan 14 18:41:06 2015 +0000 @@ -37,32 +37,30 @@ wait_ms(1); } -void passebas() +void passebas(int ordre) { unsigned int tamponpixel[256] = {0}; - int ordre=7, i=0; - - + int i=0; + // Passe bas en partant de la gauche sur tamponpixel[0:127] + // et de la droite sur tamponpixel[128:255] for (i=ordre; i<128; i++) { - for (int a=0; a<ordre; a++) { + for (int a=0; a<=ordre; a++) { tamponpixel[i]+=pixel[i-a]; + tamponpixel[255-i]+=pixel[127-i+a]; } - tamponpixel[i]/=ordre; + tamponpixel[i]/=(ordre+1); + tamponpixel[255-i]/=(ordre+1); } - // Passe bas en partant de la droite sur tamponpixel[128:255] - for (i=127-ordre; i>=0; i--) { - for (int a=0; a<ordre; a++) { - tamponpixel[255-i]+=pixel[i+a]; - } - tamponpixel[255-i]/=ordre; + // Prolongement par continuité à gauche et à droite + for (i=0; i<ordre; i++) { + tamponpixel[i]=tamponpixel[ordre]; + tamponpixel[255-i]=tamponpixel[255-ordre]; } - // Actualisation de l'image filtrée - for (i=0;i<128;i++) { pixel[i]=(tamponpixel[i]+tamponpixel[255-i])/2; @@ -73,11 +71,12 @@ //fonction qui dérive le signal de la camera void derivation() { - unsigned int tamponpixel[256] = {0}; + unsigned int tamponpixel[128] = {0}; for (int i=1; i<128; i++) { - tamponpixel[i]=pixel[i-1]-pixel[i]; + tamponpixel[i]=(pixel[i]-pixel[i-1]); } + tamponpixel[0]=tamponpixel[1]; // Actualisation de l'image filtrée for (int i=0; i<128; i++) {