Commit 3bd72370b0c8a1fc6fcfd28a0c756726f292f4f9
1 parent
d46f9ac6
very minor indexing fix that slipped though
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3 additions
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stim/cuda/filter.h
| @@ -19,13 +19,14 @@ texture<uchar, cudaTextureType2D, cudaReadModeElementType> texIn; | @@ -19,13 +19,14 @@ texture<uchar, cudaTextureType2D, cudaReadModeElementType> texIn; | ||
| 19 | __device__ float filterKernel () | 19 | __device__ float filterKernel () |
| 20 | { | 20 | { |
| 21 | float t = 0; | 21 | float t = 0; |
| 22 | + idx = j*kl+i; | ||
| 22 | for(int i = 0; i < kl; i++){ | 23 | for(int i = 0; i < kl; i++){ |
| 23 | for(int j = 0; j < kl; j++){ | 24 | for(int j = 0; j < kl; j++){ |
| 24 | x = i - floor(kl); | 25 | x = i - floor(kl); |
| 25 | y = j - floor(kl); | 26 | y = j - floor(kl); |
| 26 | - LoG(i,j) = (-1/M_PI/sigma^4)* (1 - (x^2+y^2)/2/sigma^2) | 27 | + LoG(idx) = (-1/M_PI/sigma^4)* (1 - (x^2+y^2)/2/sigma^2) |
| 27 | *exp(-(x^2+y^2)/2/sigma^2); | 28 | *exp(-(x^2+y^2)/2/sigma^2); |
| 28 | - t +=LoG(i,j); | 29 | + t +=LoG(idx); |
| 29 | } | 30 | } |
| 30 | } | 31 | } |
| 31 | LoG =/ t; | 32 | LoG =/ t; |