What is the fastest way to modify an image file in java









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What is the fastest way to modify an image file (apply filters, change resolution, etc..) in java.



I tried to open file with ImageIO and modify with java.awt.image



ColorConvertOp op = new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_GRAY), null);
op.filter(bufferedImage, bufferedImage);


It took a lot of time, do you have any faster way to do it ?










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  • 1




    "to modify" is probably too broad. I wrote a somewhat extensive answer a while ago where I (only!) investigated the performance for scaling an image, and this already has many degrees of freedom, and the performance varies wildly with them...
    – Marco13
    Nov 11 at 18:48










  • not really "in java", but quite fast... imagemagick.org/script/api.php
    – Marc Ströbel
    Nov 11 at 19:41














up vote
0
down vote

favorite












What is the fastest way to modify an image file (apply filters, change resolution, etc..) in java.



I tried to open file with ImageIO and modify with java.awt.image



ColorConvertOp op = new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_GRAY), null);
op.filter(bufferedImage, bufferedImage);


It took a lot of time, do you have any faster way to do it ?










share|improve this question



















  • 1




    "to modify" is probably too broad. I wrote a somewhat extensive answer a while ago where I (only!) investigated the performance for scaling an image, and this already has many degrees of freedom, and the performance varies wildly with them...
    – Marco13
    Nov 11 at 18:48










  • not really "in java", but quite fast... imagemagick.org/script/api.php
    – Marc Ströbel
    Nov 11 at 19:41












up vote
0
down vote

favorite









up vote
0
down vote

favorite











What is the fastest way to modify an image file (apply filters, change resolution, etc..) in java.



I tried to open file with ImageIO and modify with java.awt.image



ColorConvertOp op = new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_GRAY), null);
op.filter(bufferedImage, bufferedImage);


It took a lot of time, do you have any faster way to do it ?










share|improve this question















What is the fastest way to modify an image file (apply filters, change resolution, etc..) in java.



I tried to open file with ImageIO and modify with java.awt.image



ColorConvertOp op = new ColorConvertOp(ColorSpace.getInstance(ColorSpace.CS_GRAY), null);
op.filter(bufferedImage, bufferedImage);


It took a lot of time, do you have any faster way to do it ?







java image






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edited Nov 11 at 18:42









Hovercraft Full Of Eels

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260k20210317










asked Nov 11 at 18:38









idan

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  • 1




    "to modify" is probably too broad. I wrote a somewhat extensive answer a while ago where I (only!) investigated the performance for scaling an image, and this already has many degrees of freedom, and the performance varies wildly with them...
    – Marco13
    Nov 11 at 18:48










  • not really "in java", but quite fast... imagemagick.org/script/api.php
    – Marc Ströbel
    Nov 11 at 19:41












  • 1




    "to modify" is probably too broad. I wrote a somewhat extensive answer a while ago where I (only!) investigated the performance for scaling an image, and this already has many degrees of freedom, and the performance varies wildly with them...
    – Marco13
    Nov 11 at 18:48










  • not really "in java", but quite fast... imagemagick.org/script/api.php
    – Marc Ströbel
    Nov 11 at 19:41







1




1




"to modify" is probably too broad. I wrote a somewhat extensive answer a while ago where I (only!) investigated the performance for scaling an image, and this already has many degrees of freedom, and the performance varies wildly with them...
– Marco13
Nov 11 at 18:48




"to modify" is probably too broad. I wrote a somewhat extensive answer a while ago where I (only!) investigated the performance for scaling an image, and this already has many degrees of freedom, and the performance varies wildly with them...
– Marco13
Nov 11 at 18:48












not really "in java", but quite fast... imagemagick.org/script/api.php
– Marc Ströbel
Nov 11 at 19:41




not really "in java", but quite fast... imagemagick.org/script/api.php
– Marc Ströbel
Nov 11 at 19:41

















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