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Photoshop Elements 2020 problem

New Here ,
Jan 09, 2023 Jan 09, 2023

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Why does the contrast and sharpening  of an image increase when I resize a processed image? For example I have a file that is 4165 x 3087 pixels per inch that I have reduced to 1400 x 1038 pixels per inch that the contrast and sharpening have increased so  mush to really damage the quality.

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correct answers 1 Correct answer

Community Expert , Jan 09, 2023 Jan 09, 2023

There are several variables here:

1. The numbers that you posted reflect a reduction in pixel dimensions, e.g. 1400 px  x  1038 px.

The before and after values which you posted also do not reflect a consistent aspect ratio. Somthing has gone wrong. See below for suggestions.

2. The resolution, not stated, is a value expressed in px/in.

Go to Image >resize>image size and in the dialog you can make appropriate changes. Be sure that "Constrain Proportions" & "Resample Image" are checked in the dial

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Community Expert ,
Jan 09, 2023 Jan 09, 2023

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There are several variables here:

1. The numbers that you posted reflect a reduction in pixel dimensions, e.g. 1400 px  x  1038 px.

The before and after values which you posted also do not reflect a consistent aspect ratio. Somthing has gone wrong. See below for suggestions.

2. The resolution, not stated, is a value expressed in px/in.

Go to Image >resize>image size and in the dialog you can make appropriate changes. Be sure that "Constrain Proportions" & "Resample Image" are checked in the dialog.

3. The contrast/sharpening may appear altered to the eye as you reduce the image dimensions. Think of print on a ballon which becomes indistinct with inflation and reverts to sharper text with deflation.

Again, you don't state the resolution of the before & after.

4. As to a very pragmatic work-flow, you should consider the crop tool. On the tool's option bar one can select from several defined crop ratios and "no restriction." Also the resolution (px/in) can be specified.

The rule of thumb for printing is  240-300px/in. For web work, 72 px/in is ok.

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