Merge pull request #3964 from asmorkalov:as/threshold_otsu_fix

Fixed out-of-bound access in CUDA Otsu threshold implementation.
2 weeks ago · d943e1d61c
1 changed files with 1 additions and 1 deletions
--- a/modules/cudaarithm/src/cuda/threshold.cu
+++ b/modules/cudaarithm/src/cuda/threshold.cu
@ -178,7 +178,7 @@ otsu_score(uint *otsu_threshold, uint *threshold_sums, float2 *variance)
 {
    const uint32_t n_thresholds = 256;
-    __shared__ float shared_memory[n_thresholds / WARP_SIZE];
+    __shared__ float shared_memory[n_thresholds];
    int threshold = threadIdx.x;