core-image Archives

Smoothen Edges of Chroma Key -CoreImage

January 17, 2021 Ollie MC

Question or problem in the Swift programming language: I’m using the following code to remove green background from an image.But the edges of the image has green tint to it and some pixels are damaged.How can i smoothen this and make the cut out perfect.

ImageView won’t update with new image

January 12, 2021 Ollie MC

Question or problem in the Swift programming language: I am trying to select an image from the user’s phone and update an image view with said image.

UI Navigation Bar Image Title

January 12, 2021 Odhran Miss

Question or problem in the Swift programming language: How can I set the title of a UINavigationBar to be an image using Swift.

UIBarButtonItem changing image for Play/Pause button

January 12, 2021 Odhran Miss

Question or problem in the Swift programming language: I’m trying to make a play/pause button that toggles between custom images as it is pressed. Here is a snippet of the code.

Python is a powerful general-purpose programming language.

How do you merge images into a canvas using PIL/Pillow?

January 11, 2021 Aba Tayler

Question or problem about Python programming: I’m not familiar with PIL, but I know it’s very easy to put a bunch of images into a grid in ImageMagick.

Convert png to jpeg using Pillow

January 10, 2021 Oceane Wilson

Question or problem about Python programming: I am trying to convert png to jpeg using pillow. I’ve tried several scrips without success. These 2 seemed to work on small png images like this one.

SWIFT/iOS: Parse XML data (RSS Feed) into clear text, add to textview with images and videos

January 6, 2021 Abreonia Ng

Question or problem in the Swift programming language: I have looked around and my current situation uses MWFeedParser which is a fantastic parser. What my app does is read a news website feed, display the news stories in a table, then select which story you want and display the full story in a new ViewController.

Downsampling and Upsampling for Gaussian Image Pyramids in Swift

January 6, 2021 Bell Jacquise

Question or problem in the Swift programming language: Introduction

Importing PNG files into Numpy?

January 5, 2021 Bell Jacquise

Question or problem about Python programming: I have about 200 grayscale PNG images stored within a directory like this.

Core Image filter CISourceOverCompositing not appearing as expected with alpha overlay

January 4, 2021 Oceane Wilson

Question or problem in the Swift programming language: I’m using CISourceOverCompositing to overlay text on top of an image and I’m getting unexpected results when the text image is not fully opaque. Dark colors are not dark enough and light colors are too light in the output image.