convert page.png +level 25% p+25.png 复制代码 另外,-level 后面还可以跟第三个参数: convert page.png -level 0,100%,2.0 p0-100-2.0.png convert page.png -level 0,100%,0.5 p0-100-2.0.png convert page.png -level 0,85%,0.5 p0-100
convert page100.png -gravity west -crop 50x50+0+0 +repage crop3.png convert page100.png -gravity east -crop 50x50+0+0 +repage crop4.png -gravity 的参数包括 NorthWest, North, NorthEast, West, Center, East, SouthWest, South, SouthEast。大小写都行。 下面的命令在扫描图书时经常会用到 conv...
ImageMagick®is a free andopen-sourcesoftware suite, used for editing and manipulating digital images. It can be used to create, edit, compose, or convert bitmap images, and supports a wide range of fileformats, including JPEG, PNG, GIF, TIFF, and PDF. ...
Convert, Edit, Or Compose Bitmap Images @ ImageMagick
# convert --versionVersion:ImageMagick 6.7.8-9 2019-02-01 Q16 http://www.imagemagick.orgCopyright: Copyright (C) 1999-2012 ImageMagick Studio LLC Features: OpenMP CentOS/RHEL 8users, can run the following command to verify the version ofGraphicsMagickinstalled on the system. ...
compute the new output image For the case of pan=30 and tilt=30, this is equivalent to: convert mandril.jpg -virtual-pixel transparent -background black \ -distort Perspective '0,0 127,0 127,127 0,127 27,0 112,35 126,127 0,115' \ mandril_perspective_p30_t30.jpg...
I don't have access to an HDR display. If I do the development work, I would rely on other people for testing. Sorry, something went wrong. Copy link Author gregbenzcommentedJun 1, 2023 @snibgoI would be happy to help test any gain maps you convert. You can reach me directly via ...