Archive for the 'Image Filtering' Category



RSS Buttons: Alternative Colours

I’ve been experimenting with Colour Filter Image manipulation lately. As an example showcasing some of the possibilities I created several images based on the standard orange RSS feed icon.

The source image used in generating all the filtered images on this page has been licensed under the GNU General Public License and can be downloaded from Wikipedia.

If you are interested in the technical details behind the colour filter implementation you can browse the following C# How to articles:

 

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RSS Button RSS ButtonRSS Button
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Image Filters: Sunflower

The Original

This image filter features an implementation of the technical details explained in the article .

A single source/input image was used to generate the following images. The source image has been released into the and can be downloaded from .

The Original

Sunflower USFWS

Filtered Images

Sunflower ShiftLeftSunflower ShiftRightSunflower SwapBlueAndGreenSunflower SwapBlueAndGreenFixRed0Sunflower SwapBlueAndGreenFixRed100Sunflower SwapBlueAndGreenFixRed140Sunflower SwapBlueAndRedSunflower SwapBlueAndRedFixGreen0Sunflower SwapBlueAndRedFixGreen85Sunflower SwapRedAndGreenSunflower SwapRedAndGreenFixBlue0Sunflower SwapRedAndGreenFixBlue180Sunflower SwapRedAndGreenFixBlue215

RSS Feed Buttons

Overview

I’ve been experimenting with lately. As an example showcasing some of the possibilities I created several images based on the standard orange RSS feed icon.

The source image used in generating all the filtered images on this page has been licensed under the and can be

If you are interested in the technical details behind the implementation you can browse the C# How to articles at and .

RSS Buttons

The following section provides a thumbnails preview of the images I created. Please note that all images have the size dimension of 2000×2000 pixels. I’ve opted to provide high resolution images to accommodate better results should images be edited further. It is not recommended using high resolution images directly due to larger file sizes when compared to typically used lower resolution images. Reducing image resolution is a fairly straight forward task easily achieved using most image editing software.

Images are provided under the . You are free to download, modify and redistribute the images.

To download an image simply click on the relevant thumbnail.

RSS Button Blue Grey RSS Button Bright Green RSS Button Brown LightBlue RSS Button Brown LightPurple RSS Button DarkBlue RSS Button DarkBlue RSS Button DarkBlue LightBlue RSS Button DarkBlue Red RSS Button DarkOrange LightOrange RSS Button DarkPink LightPurple RSS Button DarkPurple Blue RSS Button DarkPurple LightPurple RSS Button DarkPurple MediumBlue RSS Button Green DarkPink RSS Button Green LightBlue RSS Button LightBlue RSS Button Maroon Purple RSS Button Orange Yellow RSS Button PinkTint RSS Button PurpleTint RSS Button SeaGreen LightYellow RSS Button Violet DarkPink RSS Green Button RSS Purple Button

Image Filters: The Red Hot Chilli Peppers live in concert

The Original

All of the images featured in this article were generated from the same the input source image file. Each image illustrates the implementation of a different colour filter.

The original source image is a photo I had taken myself during a live concert performance by The Red Hot Chilli Peppers, performed at Soccer City, Johannesburg, South Africa.

The colour filter technical details are explored in the articles: C# How to: Blending Bitmap images using colour filters and C# How to: Swapping Bitmap ARGB Colour Channels.

Original Image

RHCP_Original

Filtered Images

RHCP_AmberRHCP_BlueGreenRHCP_BluePinkRHCP_BrightBlueRHCP_BrightBlueTintRHCP_BrightGreenRHCP_BrightGreenTintRHCP_BrightWhiteRHCP_BrightYellowRHCP_DarkPinkRHCP_GreenRHCP_GreenYellowTintRHCP_LavenderRHCP_LightBlueRHCP_NeonGreenRHCP_OrangeRHCP_VioletRHCP_Yellow

Image Filters: Tropical Storm

The Original Image

The original image file has been released into the public domain. Download the original from Wikipedia.

All or the images featured in this set were created using the original image and applying various colour filters. The colour filter technical details are explored in the articles: C# How to: Blending Bitmap images using colour filters and C# How to: Swapping Bitmap ARGB Colour Channels.

Original Image

17W_Aug_14_1996_0124Z

Filtered Images

TropicalStorm_BrightBlueBlendTropicalStorm_GreenGrayBlend

TropicalStorm_LightPinkBlendTropicalStorm_LightTanBlend

TropicalStorm_OffWhiteBlendTropicalStorm_OrangeBlend

TropicalStorm_PurpleBlendTropicalStorm_RedBlend

TropicalStorm_ShiftLeft_InvertedTropicalStorm_ShiftRight_Inverted

TropicalStorm_SwapBlueAndGreen_InvertedTropicalStorm_SwapBlueAndRed_Inverted

TropicalStorm_SwapRedAndGreen_InvertedTropicalStorm_VoiletBlend


Dewald Esterhuizen

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