Correct

无失真

/ wú shīzhēn / 
Strokes

Example

As an Adjective

undistorted; lossless

1
Wú
无
shīzhēn
失真
biānmǎ
编码
  
/
yāsuō
压缩

lossless coding/compression

2
Wú
无
shīzhēn
失真
chuánshū
传输
  
/
túxiàng
图像
  
/
shūchū
输出

undistorted transmission/image/output