From 86ca6b64eb8a3633232486539ca2726123a1009a Mon Sep 17 00:00:00 2001
From: caozhou <caozhou1@huawei.com>
Date: Wed, 21 Oct 2020 20:09:08 +0800
Subject: [PATCH] fix api comment error in MSSSIM

---
 mindspore/nn/layer/image.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/mindspore/nn/layer/image.py b/mindspore/nn/layer/image.py
index 077173920c..5f68413d4a 100644
--- a/mindspore/nn/layer/image.py
+++ b/mindspore/nn/layer/image.py
@@ -267,7 +267,7 @@ class MSSSIM(Cell):
         l(x,y)&=\frac{2\mu_x\mu_y+C_1}{\mu_x^2+\mu_y^2+C_1}, C_1=(K_1L)^2.\\
         c(x,y)&=\frac{2\sigma_x\sigma_y+C_2}{\sigma_x^2+\sigma_y^2+C_2}, C_2=(K_2L)^2.\\
         s(x,y)&=\frac{\sigma_{xy}+C_3}{\sigma_x\sigma_y+C_3}, C_3=C_2/2.\\
-        MSSSIM(x,y)&=l^alpha_M*{\prod_{1\leq j\leq M} (c^beta_j*s^gamma_j)}.
+        MSSSIM(x,y)&=l^\alpha_M*{\prod_{1\leq j\leq M} (c^\beta_j*s^\gamma_j)}.
 
     Args:
         max_val (Union[int, float]): The dynamic range of the pixel values (255 for 8-bit grayscale images).