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Questions tagged [image-manipulation]

Image manipulation is the term used to describe various operations applied to images such as resizing, removing noise, or alteration of colour depth.

Image manipulation is the term used to describe various operations applied to images such as resizing, removing noise, alteration of colour depth. These operations are usually performed to improve the quality of the image (such as the removal of noise) or to alter it so that the image file is better suited to its intended usage(such as resizing to meet display constraints on a mobile device).

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Carrierwave RMagick processor with rounded corners effect from png and jpeg files

I need to create a PNG version of an image with rounded corners. So far, it only works with PNG source files, not with JPEG ones. I do a conversion of the image to PNG before the composition with the transparent rounded mask. If I write a copy of…
MegaTux
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Does anybody know a alternative Imagemagick resize tool?

I am using imagemagick to -resize an 8 MB image. The command is convert "big.png" -resize "14384x49152" "result-resize.png" Unfortunately the size of result-resize.png grows from 8MB to 31MB. The only workaround for me is to apply a png optimizer…
jack
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PHP GD or Imagick class Image Magick Conversion

I need to convert some command line imagick code into the php classes. I can't run command line scripts on our production box so I need to be able to use the classes, unfortunately there's no documentation on converting between the two. Does anyone…
kurtfoster
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Resize an image filesize with paperclip

I upload images to the server with paperclip. I scale medium images with the following code: :medium => "280x100>" But Also I need to fit the original image filesize to 1Mb. Is there any way to do this with the paperclip functionality?
Nickolay Kondratenko
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For loop ends prematurely

I've created a program that processes images in c#. For some reason, I've made pretty much the most simple double for loop possible, and it refuses to work. This loop ends at x=78 and y=78, reliably every time. I've been looking at this forever, and…
Dylan Katz
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Plastic wrap effect

Where may I get algorithms to apply a plastic wrapping effect to an image? I am using Visual C++.
dev ray
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How come imagemagick output has nasty glitchy squares instead of smooth gradients?

I'm trying to create filters like instagraph (https://github.com/webarto/instagraph), but the output images have nasty square-shaped transitions instead of smooth gradients. Why and how do I fix this? The command I'm running is this: convert \(…
trusktr
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Noise near font after adding text via ImageMagick

I put text on image and have some noise. How I can fix it? Image magick options: [ currentImage, "-font", "Micra-Bold", "-pointsize", "40", "-strokewidth", "1", …
Max P
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Flex ImageCapture/BitmapData limitations on small screens?

I have developed an application that in the end will save a captured image of a canvas that's scaled up to 4000 pixels then upload the result to the server using ZendAMF. This all works fine on all of my development machines. However, my client is…
Adrian
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convert 24Bit per pixel to 8 bit tiff

i want to convert a 24 bit per pixcel(Rgb) int 8 bit per pixel tiff image is there any code to convert please share or tell me the algo in c sharp
abrar
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Java: Find image within image?

So, say I have two images, one which is a .bmp of some text and another which is a bufferedImage, how would I go about finding if the .bmp is inside the bufferedImage? Im really lost on how to find an image within an image, a color is easier as its…
J Code
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complement image- read the rgb values from the pixels of an image and implement appropriate transformation function

I have been struggling with a small problem in my opinion. I have the task of implementing a transformation function to make a given image a complement image. My code works and outputs and image that has different colours, however im not sure if the…
Jamal
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Resample script, how to make it work in an existing website with different img urls

I've being provided with a code which can resize/resample images from a url. I would like to have this code implemented in my website. The resample script is pretty straightforward, but I really don't know how to make it work with the rest of the…
Chris
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how to auto resize image in sql database in a table

I have a question, I have a database with some webshop products. I load 2 images from a url (domain.com) one is for the thumb image (product_thumb_image) and the other is a full image. (product_full_image) I use for both the same url and resize the…
Chris
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how to blink the drawn image on a video in c#?

I have a form,contains the video control.I am drawing one image on that video.but,I want to blink that image. Any ideas,please help me.
sunil
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