Matlab – Dilation and Erosion

In digital image processing, you must understand on dilation and erosion. Dilation adds pixels to the boundaries of objects in an image. On the other hand erosion removes pixels on object boundaries. The number of pixels added or removed from the objects in an
image depends on the size and shape of the structuring element used to process the image. In the morphological dilation and erosion operations, the state of any given pixel in the output image is determined by applying a rule to the corresponding pixel and its neighbors in the input image. The rule used to process the pixels defines the operation
as a dilation or an erosion. Continue reading “Matlab – Dilation and Erosion”

phpBB Hide Statistic, Online User and Birthday

This post will describe how to hide statistic, online user and birthday on your forum board. In phpBB 3.0.10, actually there is setting to hide online user and birthday from your Admission Control Panel but not the Statistic. But in any cases you not be able to find where is the setting located to hide birthday and online user or how to hide statistic from the board, below i’ll explain all of them step by step. Continue reading “phpBB Hide Statistic, Online User and Birthday”

Answer CCNA Security Chapter 2 Test – CCNAS v1.1

In this post, i share the questions and answer for CCNA Security Chapter 2 Test. This CCNA Security Chapter 2 test is using CCNAS v1.1. I took this CCNAS Chapter 2 Test on April 2012. Several new questions were included. So i share the new questions and answer for your references. Continue reading “Answer CCNA Security Chapter 2 Test – CCNAS v1.1”

Matlab – imadjust, histeq, adapthisteq and Image Histogram

This post will describe the use of imadjust, histeq and adapthisteq in image processing. Basically these three matlab command will give different results in adjusting image based on their method of adjusting an image. Imadjust to adjust the intensity values or colormap. Histeq to enhance contrast using histogram equalization while adapthisteq to contrast-limited adaptive histogram equalization (CLAHE). From all these three command, you can see the different of result image or their output between them when you execute the command. You can see how different type of image adjustment will give different result of an image. Continue reading “Matlab – imadjust, histeq, adapthisteq and Image Histogram”

Network Security Chapter 3 Packet Tracer Activity Answer

This post is solution or answer Packet Tracer Activity Chapter 3 Network Security. The title for this packet tracer activity is Configure AAA Authentication on Cisco Routers. As the title stated, this packet tracer activity regarding configuration AAA Authentication. You will learn how to configure AAA authentication using local or server based TACACS+ and RADIUS. I will guide step by step to get 100% for this packet tracer activity. At the same time, you can learn steps necessary to configure AAA authentication for Cisco routers. Continue reading “Network Security Chapter 3 Packet Tracer Activity Answer”

phpBB Change Registration Agreement

phpBB by default has terms and agreement screen which will appear once when a user want to register in your forum. However, you may want to change the Terms and Agreement on the Forum board as you like. I noticed some modification or known as mod in phpBB which will be able to accomplish the task to change the registration agreement. However this mod not being updated to latest version of phpBB. So, i think it’s better to use manual way of changing registration agreement instead of using mod. Furthermore, the step is more simpler than using mod. Continue reading “phpBB Change Registration Agreement”

Answer CCNA Security Chapter 1 Test – CCNAS v1.1

This post is about solution or answer for CCNAS Chapter 1. In this post, i will share the question and answer for CCNA Security Chapter 1 Test. I took this CCNAS Chapter 1 test on April 2012. CCNAS v1.1 include several new questions. So, this post hopefully will be your reference to solve all the questions. Continue reading “Answer CCNA Security Chapter 1 Test – CCNAS v1.1”