FAQ Database Discussion Community


Getting masked area to be transparent?

c++,opencv,transparent,image-manipulation,mask
So far i have managed to use masks and get the second image from the first. But what i want is the black area in second image to be transparent (i.e the output i an trying to get is the third image) Here is the code so far. Please advice...

merging two images with triangle crop

image,image-manipulation,gimp,inkscape
In Eagle, I've created a circuit that consists of schematic and PCB layout. From Schematic and PCB Layout I've created screenshots in .jpg format. Now, how do I merge these two screenshots with triangle crop just like in example below (left image, sch&pcb merged):. I am using KUbuntu 15.04 with...

Popup Manipulation WP8.1 C#

c#,popup,windows-phone-8.1,image-manipulation,popupwindow
i am currently trying to manipulate a Popup of an Image with the manipulation delta class. I therefore can not figure out how to call the manipulation delta event. I have found the solution on the web, but i am not able to implement it. https://social.msdn.microsoft.com/forums/windowsapps/en-us/0c24865a-0d87-49dd-824b-cec250a4fb82/manipulation-delta-on-windows-8-popup-c manipulationdelta for popup window...

Tint a partially transparent image in WPF

c#,wpf,xaml,image-manipulation
How can I tint/colorize an image in WPF (using MVVM) without sacrificing performance? A purely XAML solution would be ideal, as modifying bitmaps in the code will cause performance loss with lots of changing images. The image is made up of more than simple shapes, so it is not possible...

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

image,matlab,image-manipulation
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...

Find edges (border of rectangle) inside an image

python,imagemagick,image-manipulation,edge-detection
I have an image of a sticky note on a background (say a wall, or a laptop) and I want to detect the edges of the sticky note (rough detection also works fine) so that i can run a crop on it. I plan on using ImageMagick for the actual...

Create Same Size Image Across Various Android Densities

android,android-layout,image-manipulation,android-image
My goal is to create 6 images of different densities that are the same size across the 6 generalized Android screen densities. From reading Android's documentation on supporting multiple screen sizes I understand the dpi unit (dots per inch) really represents physical pixels per inch. In my understanding, this means...

Can I create a PDF which will always opens at zoom level 100%?

image,pdf,imagemagick,image-manipulation
I am running into an issue with PNG to PDF conversion. Actually I have big PNG files not in size but in contents. In PDF conversion it creates a big PDF files. I don't have any issue with its quality, but whenever I try to open this PDF in PDF...