TTA mode does not work properly when image resolution is odd

[f11894]

original image

waifu2x-ncnn-vulkan.exe -i "C:\issue\1_trim.png" -o "C:\issue\1_trim_vulkan x2.png" -s 2 -n -1 -t 100 -m models-cunet

waifu2x-ncnn-vulkan.exe -i "C:\issue\1_trim.png" -o "C:\issue\1_trim_vulkan_tta_x2.png" -s 2 -n -1 -t 100 -m models-cunet -x

waifu2x-caffe-cui.exe -i "C:\issue\1_trim.png" -t 1 --crop_size 128 -m scale --scale_ratio 2 --model_dir models\CUnet -p cpu -o "C:\issue\1_trim_caffe_tta_x2.png"

[nihui]

Thanks for your report !