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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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MATLAB: batch processing of images and, saves these images. How can I do?

I'm sorry, I'm a newby. I tried to copy the code find here to obtain the same result, but it doesn't work (fault mine). I can not figure out how saveas can understand which is the image that has to save. I've read that saveas wants a Handle and a…
Dot4inch
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Maze Image Manipulation, Trimming whitespace

The problem i am having is the 2 pixel width pathways (the white parts). In the top-left of the image (the darker black part) i have manually gone over the white parts that were 2 pixels in width/height; there are two solutions (that i can think…
Koborl
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Filling pattern changes with object's position. Java

I created a bufferedimage which i applied to a Rectangle to use as filling pattern to shape S. If i change S's position, the filling pattern changes with it instead of remaining "fixed". What could it be? Image: (the pattern is a 3 stripes, all with…
Gabriel
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Standardize color within an image

I have a .net application where I need to browse for an image, I would like to standardize the colors in the image to just 6 colors? Is there a library or process to perform this kind of image manipulation? Any help would be…
user322360
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How to implement "Reshape Effect" on image

In my IOS app . i need to implement "Reshape Effect" on image. i searched a lot but but didn't get desired effect . i need to such effect on panning in image.
Garry
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DrawImage is slow, lockbits to the rescue?

I've read many C# tutorials on using lockbits to manipulate images, but I just don't know how to apply this info into PowerShell. This is the problem: $image1's height is 2950 pixels. $image2's height is 50 px taller, 3000 pixels. I need to fit…
Lunar Remedy
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Image manipulation with JQuery and PHP

I want to do some kind of image editor, after I upload more images I make a list with all the thumbnails! After, I want to be able to click on one thumb and rotate, duplicate, drag and drop (to change positions of the images), and delete the image. …
robertdd
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Image manipulation with SailsJS

Has anyone made a sails app with skipper-s3 and image manipulation library to upload different sizes of images ? For example if a user upload a user profile image then there will be three different sizes of images will be uploaded to the S3 server.…
Andre Frexio
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C# Image HttpHandler: Disable cookies in handler (YSlow / Google PageSpeed)

I have a HttpHandler for resizing images, round corners, reflection etc etc. This i working OK. The problem i have is, that some data is stored in cookies, and the cookies are send to images, when they are shown. Is there any way to disable this…
Carsten Petersen
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Jython Image Manipulation Making a Grid Over a Picture (JES)

I am trying to make a grid over a picture and I have managed that much using the function: def grid(pic): width = getWidth(pic) height = getHeight(pic) size = 10 for x in range(0, width, size): addLine(pic, x+size, 0, x+size, height) …
Lenny
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How to upload and size a profile picture for a site?

I have a site that has a profile page and I would like to allow the users to upload an image for the profile picture. I forsee a problem if the user select an image that is larger than what I am allowing for the site. Is their a good refrence or…
JPJedi
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Wrong image dimensions when it's dynamically loaded on a page the 1st time

I have the following piece of Javascript code on my web-page var central_image = document.createElement("img") central_image.setAttribute("src", imgs[curr_image_no - 1]); central_image.setAttribute("name",…
Nikita Barsukov
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Create Customized Product Monogram

We are using GD to try and create a product customization tool like the…
henry
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An explanation for this MATLAB code snippet

Consider: %# load a grayscale image img = imread('coins.png'); %# display the image figure imshow(img,[]); %# false-color colormap('hot') The above code is from here: Infrared image processing in Matlab But I don't understand how figure (what's…
Mask
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how do i edit this transparent png keeping the same font

i want to change the wording, and leave everything as it is.... http://i42.tinypic.com/27wyyo.png what software do i use ?
wefwgeweg
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