Notes

Me and IMETI 2009

2009-10-25T22:16:00.004+03:30

I've discovered that IMETI 2009 coordinators have listed me as one of the reviewers of their multi-conference. Hereby I refuse any relations with this conference. I just remember that I had been invited to be a reviewer but I did not receive no articles for review.

Book Review: Introduction to Programming and Object Oriented Design Using Java

2009-08-24T02:32:00.010+04:30

"Suppose that two functions foo and bar are required to view and update an integer variable, say x. The simple implementation is to define x as a global variable in the program body. However this method will also allow other functions in the scope to view and alter x which is not desired in many cases. Object orientation focuses on the data and their related operations. Encapsulation is the first feature of object oriented method that restricts altering and/or viewing x to some limited set of known functions ."

This is the summary of the material that I present in elementary programming courses to prepare the minds for new concepts in object oriented style. Today, computer science students begin their long way in software production by structured analysis, design, and programming. After the so-called spaghetti style, structured programing methodology was a great step forward in simplifying software design and maintenance. No CS instructor begins the introduction to programming with assembly language; Because there is no need to do so and structured thinking is more easily taught through function based concepts.

With the introduction of object oriented methodology, there is no students to learn structured methods and then smoothly migrate to object oriented methods. In fact the first step can be easily removed; as in the book I'm going to introduce and review in this post.

Introduction to Programming and

Object-Oriented Design Using Java, 3rd Edition

Introduction to Programming and Object-Oriented Design Using Java, 3rd Edition, says the elementary words of programming in object oriented language. Classes and objects are introduced in first chapter. The rest 21 chapters of the books cover various concepts and aspects of object oriented methodology using the inline examples and code snippets in Java, one of the finest programming languages.
Each chapter ends with self-study questions and plenty of exercises which make the book self contained and appropriate for self study purposes.

The book focuses on practical aspects of software design. Common data structures and algorithms, visual modeling and user interfaces are thoroughly discussed.

In short, I can mention the book as giving emphasis to three main features:

Object oriented methodology in software design and production
Easy to study and learn
Covering all aspects of practical software production from designing algorithms to designing user interfaces

The book ends with appendices containing tips and tricks of programming, listings of some classes used in the text, and a glossary.
As an instructor of basic courses in computer engineering and science, I will prefer to introduce my students to the word of computing with object oriented methodology and Java language. I think there is no more need to confuse the new comers with out of date concepts.

After The Rain Falls...

2009-04-10T22:25:00.001+04:30

پس از باران
Originally uploaded by muharram_m

A beautiful view of Tehran after a rain falling for two hours.

Pawprint

2009-04-09T14:13:00.001+04:30

رد پای گربه
Originally uploaded by muharram_m

Pawprint of a cat on the office table!

Slogans, Anywhere !

2009-04-02T22:03:00.001+04:30

درخت شعار زده
Originally uploaded by muharram_m

Slogans, any where, even on trees !

The sky celebrates the new year

2009-03-31T11:25:00.001+04:30

برف بهاری
Originally uploaded by muharram_m

Today, sky has joined the people to celebrate the new year, with these dancing pretty snowflakes!

Book Review: Combining Pattern Classifiers; Methods and Algorithms

2009-03-29T15:36:00.021+04:30

Recently I've read the book Combining Pattern Classifiers, Methods and Algorithms by Ludmila I Kuncheva. The book addresses the problem of using multiple pattern classifiers to enhance the classification task in quantitative (e.g. accuracy) and qualitative (e.g. robustness) directions.

After taking three courses on pattern recognition and machine learning, the book helped me to get an idea over the whole subject of pattern analysis and classification. It starts with a compact but rich introduction to the theme of pattern recognition and the basic classifier types. Classifier design methods are studied in classifier vs. boundary design and parametric vs non-parametric learning dimensions. After the two introductory chapters on the discipline of pattern recognition, the concept of multi-classifier systems is introduced in chapter three. It is clarified in this chapter that the book is dedicated mainly to combining classifiers at the decision level and topics such as using diverse set of base classifiers are not discussed intensively. Then, combining of classifier outputs are treated in label output and continuous output categories. Various algorithms for majority voting and fusion of the label outputs are studied and compared throughout chapters three and four. Fusion of continuous valued outputs are studied in chapter five.
Selecting different classifiers for different sections of the input spaces are introduced in chapter six and the well-known knn method with its variations are studied in this chapter. Bagging and boosting methods for classifier selection are the subject of the seventh chapter.
The two stages before and after classifier combination; i.e. feature selection as the preprocessing and error corrections as the post-processing; discussed in chapter eight. The importance of feature selection and feature space partitioning are analyzed and demonstrated through the representative examples.
Most of the topics covered so far in the book were based on the results of the experiments in different application areas. Chapters nine and ten contain theoretical views and analysis on the classifier combination methods and rules.
Chapter ten is totally devoted to the diversity of classifiers in an ensemble. Diversity of the classifiers are studied in simple observable methods (e.g. training on different sections of input spaces) as well as statistical analysis tools and methods. Some open research directions are mentioned in the field of classifier combination.
As a student, I found this book helpful for gaining an understanding of the nature of pattern classifiers and the combination architectures. I'll recommend the book for those who took the elementary courses such as statistical pattern recognition and machine learning. The book will serve as a guiding resource for combining and using various familiar methods and algorithms.

Simple But Efficient Idea

2009-03-27T12:53:00.001+04:30

Research Office, TMU
Originally uploaded by muharram_m

It is almost a year that administration of engineering school has set up boxes on the wall nearby each office.
Processed documents are returned back to the owners through these boxes. This simple idea speeds up offcial workfolws considerablly.

Convert Azeri/Arabic texts to Azeri/Latin

2009-03-17T14:46:00.006+03:30

Azerbaijani(Azeri) language is written in at least three different alphabets. Azeri Latin and Cyrillic is used in Azerbaijan Republic and Arabic alphabet is used in Iran. We've developed a Microsoft Word addin that helps you convert Azeri text written in Arabic into Latin text. The tool is steel in its pre-beta version and available for download at sf.net . You are encouraged to download and test the tool and report the apparent bugs. Furthermore, you can post your recommendations through this blog or the project page.
Please follow instructions in the accompanied readme.txt to install and use the tool.

Mobile Bookstore!

2009-03-08T22:30:00.001+03:30

Mobile Bookstore
Originally uploaded by muharram_m

A mobile bookstore at Tehran, Iran. All the books are preparation guides for higher education examinations.

Towards the new year

2009-03-08T22:20:00.001+03:30

DSC01013
Originally uploaded by muharram_m

Initial signs of the Iranian new year; jalali, 1388.

The White !? Snow

2009-02-25T12:22:00.001+03:30

The White !? Snow
Originally uploaded by muharram_m

Snow is not white anymore. It gots yellowish!

LCD of my note book

2009-02-25T11:55:00.001+03:30

DSC00780
Originally uploaded by muharram_m

The LCD is now this. I did nothing. it is changed by itself.!

My notebook's screen after cleaning

2009-02-17T13:46:00.001+03:30

My Notebooks screen after cleaning
Originally uploaded by muharram_m

My Notebooks screen after cleaning
I've tried to cleanup my notebook's screen using a cleaner spray. I'd did it several times before with no problem.
But yesterday, after the cleaning I found that the screen seems damaged.

Left Flowers

2009-01-14T00:38:00.001+03:30

DSC00597
Originally uploaded by muharram_m

Possibly the couple were too much in hurry!

Schooler Policemen

2008-11-29T16:00:00.002+03:30

DSC00388
Originally uploaded by muharram_m

Schooler policemen guide cars to pass more accurately and safely around the schools.
I took this picture near the university's primary school.

Face Detecion, Tracking and Facial Feature Localization

2008-11-14T21:11:00.013+03:30

Face detection and tracking is an important initial step to many computer vision applications like face and facial expression recognition, human-computer interaction(HCI), virtual avatars.
I've developed tools to accomplish this task from the beginning step of face detection to the last step ending at face expression estimation.
Below clips are just sample demos:

1) Original audiovisual clip

2)Face Detection and Tracking

3)Facial Feature Localization

The face is detected as a patch containing RGB color values similar to thث natural human skin. tracking is done by Hager's region tracking algorithm. The RST motion is only considered in this project. The tracked face patch is normalized in size and orientation so that patch size is the same throughout the frames and the face is vertically oriented.
I'm seeking for guidelines and regulations to pack and publish the source code of this project.

Chemically Injured Soldier Passes Away

2008-10-22T14:03:00.005+03:30

DSC00245
Originally uploaded by muharram_m

An injured soldier from the 8-year Iraq-Iran war passed away yesterday morning. Seyed Naser Shafiei was one of the several chemically injured Iranian soldiers. He was a staff in the medical sciences department of the Taribat Modares university.

Update 1: The officials at TMU say that he died from complexities of quivers remaining in his body.

Aylar Programming 3 / 3

2008-10-15T21:42:00.001+03:30

Aylar Programming 3 / 3
Originally uploaded by muharram_m

Lets start over...

Aylar Programming 2 / 3

2008-10-15T21:41:00.001+03:30

Aylar Programming 2 / 3
Originally uploaded by muharram_m

Woow ... too many errors !

Aylar Programming 1 / 3

2008-10-15T21:38:00.001+03:30

Aylar Programming 1 / 3
Originally uploaded by muharram_m

Lets type the last "end" and compile.....

Two strange behaviors of windows vista's "Chess Titan"

2008-09-06T15:07:00.006+04:30

I'm very new to chess, so these may be correct settings in the game rules.

1- pawn catches the piece in the same row:

2-Just at this position, the program popped a dialog stating that this game will be counted as a draw for me ( white):

click the picture and view the actual size.

Me and Mr Hashemi

2008-06-14T19:08:00.001+04:30

DSC00099
Originally uploaded by muharram_m

Hossein Hashemi (A friend of mine) and Me in the parallel processing LAB.

Ancient Style Farming

2008-04-11T22:04:00.001+04:30

Farming
Originally uploaded by muharram_m

This type of farming is as old as the human being. It is usual here in Mashhadlu-Olia(Armar), our fabulous tiny village.

Air Pollution in Tehran

2008-04-05T15:44:00.001+04:30

Tehran870117 (1)
Originally uploaded by muharram_m

Tehran's air is too dusty today.

Friends

2007-12-19T00:22:00.001+03:30

friends860919
Originally uploaded by muharram_m

Friends at Parallel Processing LAB

عکسبرداري فوق مدرن

2007-10-26T21:31:00.001+03:30

DSCI0015
Originally uploaded by muharram_m

Ultra Modern Document Imaging !

Contrast

2007-10-24T15:13:00.001+03:30

DSCI0003
Originally uploaded by muharram_m

Milad Tower, Tehran, Iran

من و پدرم

2007-09-13T17:44:00.001+03:30

DSCI0083
Originally uploaded by muharram_m

من و پدرم و شوهر عمه ام
تابستان 1385 در روستاي مشهدلوي عليا

14 شهريور1386 پدرم به رحمت خدا رفت

Me in the LAB

2007-09-02T20:52:00.001+03:30

DSC01220
Originally uploaded by muharram_m

Me in the parallel processing LAB.

عصر

2007-08-24T14:11:00.001+03:30

DSCI0094
Originally uploaded by muharram_m

عصر يک روز تابستاني در روستاي مشهدلوي عليا

ساخت اين صفحه

2004-09-27T18:04:00.000+03:30

به نظر مي رسد چيز مفيدي باشد. به هر ساختمش تا بعد ...