diff --git a/denseFlow.cpp b/denseFlow.cpp
index e35a48e..c7e10df 100644
--- a/denseFlow.cpp
+++ b/denseFlow.cpp
@@ -97,7 +97,7 @@ int main(int argc, char** argv)
 		sprintf(tmp,"_%04d.jpg",int(frame_num));
 		imwrite(xFlowFile + tmp,imgX);
 		imwrite(yFlowFile + tmp,imgY);
-		imwrite(image + tmp, cflow);
+		imwrite(imgFile + tmp, cflow);
 
 		std::swap(prev_grey, grey);
 		std::swap(prev_image, image);
diff --git a/extractOpticalFlow_gpu.m b/extractOpticalFlow_gpu.m
index e7602d9..7cfa79e 100644
--- a/extractOpticalFlow_gpu.m
+++ b/extractOpticalFlow_gpu.m
@@ -1,13 +1,6 @@
 
 function [] = extractOpticalFlow_gpu(index, device_id, type)
-% path1 = '/nfs/lmwang/lmwang/Data/UCF101/ucf101_org/';
-% if type ==0
-%     path2 = '/media/sdb/lmwang/data/UCF101/ucf101_flow_img_farn_gpu_step_2/';
-% elseif type ==1
-%     path2 = '/media/sdb/lmwang/data/UCF101/ucf101_flow_img_tvl1_gpu_step_2/';
-% else
-%     path2 = '/media/sdb/lmwang/data/UCF101/ucf101_flow_img_brox_gpu_step_2/';
-% end
+
 
 
 path1 = '/nfs/lmwang/lmwang/Data/HMDB51/hmdb51_org/';