Photography Stack Exchange
Photography Stack Exchange

Questions tagged [image-compression]

Image compression comprise methods with the goal to reduce the size of an image by either removing redundant or less important information (or a combination of the two).

Image compression comprise methods with the goal to reduce the size of an image by either removing redundant or less important information (or a combination of the two). These two classes of methods are usually referred to as lossless and lossy image compression methods.

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Compress a few small areas of an image in higher quality

I would like to prepare a photo to display it on a webpage. I would like to compress this image such that most of the image is compressed to lower quality, to reduce download size, but a few small areas are compressed in high quality. The photo is…
b_jonas
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2 Versions of a Photo: Same resolution, image diff shows no difference, but different filesize

I have two versions of a JPG photo. According to the metadata, one has been saved in Shotwell while the other one is probably the orginal. Both files have the same resolution, dpi, bit depth, color space and compressed bits per pixel. The presumed…
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Compressing photos using Microsoft Picture Manager?

I have a number of photo's which are >7mb in size and I want to upload them online for a photobook. I have uploaded photo's of this size to numerous photobook sites before but this particular site for photobooks suggests reducing the size to 2-3mb…
user50181
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