File:Gold Spider SEM sample Sharp.jpg
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Size of this preview: 371 × 600 pixels. Other resolutions: 148 × 240 pixels | 538 × 870 pixels.
Original file (538 × 870 pixels, file size: 96 KB, MIME type: image/jpeg)
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Summary
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This diagram was created with MATLAB.
| Description |
English: A spider coated in gold to prepare it as a specimen for Scanning electron microscopy. This item was on display at the Australian Museum in Sydney, New South Wales, Australia.
Example of using three 2D discrete convolutions to sharpen an image. The filter used is shown. |
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| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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% Filters picture using 2D finite discrete convolution. By Tinos.
clear
% User Input
File='AuSpider.jpg';
% Input
Pic=double(imread(File));
% Create Filter
% Filt=fspecial('gaussian',10,1); % Blur
Filt=fspecial('unsharp'); % Sharp
% Filter image
Pic2(:,:,1)=conv2(Pic(:,:,1),Filt);
Pic2(:,:,2)=conv2(Pic(:,:,2),Filt);
Pic2(:,:,3)=conv2(Pic(:,:,3),Filt);
Pic2=Pic2(2:end-1,2:end-1,:);
% Convert to integer
Pic=uint8(Pic);
Pic2=uint8(Pic2);
% Output
imtool(Pic2)
imwrite(Pic2,'AuSpider2.jpg');
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Sharpened as example of convolution.. The original can be viewed here: Gold Spider SEM sample.jpg:  . Modifications made by MATLAB, Photoshop, Paint.
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I, the copyright holder of this work, hereby publish it under the following licenses:
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- Under the following conditions:
- attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
- share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.
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Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. |
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Original upload log
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This image is a derivative work of the following images:
- File:Gold_Spider_SEM_sample.jpg licensed with Cc-by-sa-3.0, GFDL
- 2010-03-15T04:26:21Z 99of9 2876x2159 (1865707 Bytes) {{Information |Description={{en|1=A spider coated in gold to prepare it as a specimen for [[w:Scanning electron microscope|Scanning electron microscopy]]. This item was on display at the Australian Museum in Sydney, New Sout
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 13:08, 25 February 2011 | | 538 × 870 (96 KB) | Tinos (talk | contribs) | {{Information |Description={{en|1=A spider coated in gold to prepare it as a specimen for Scanning electron microscopy. This item was on display at the Australian Museum in Sydney, New South Wales, Australia.}} Example |
| 12:34, 25 February 2011 |  | 538 × 870 (96 KB) | Tinos (talk | contribs) | {{Information |Description={{en|1=A spider coated in gold to prepare it as a specimen for Scanning electron microscopy. This item was on display at the Australian Museum in Sydney, New South Wales, Australia.}} Example |
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