Browsing by Author "Thotsapon Sortrakul"
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ItemAIDE-adaptive instructional design model for E-learning( 2009-11) Thotsapon Sortrakul ; Nida DenphaisarnToday, the new teaching and learning environment are changing because of an active usage of information technology. However, no matter how much technology becomes the essential element in learning, instructional designer has to consider the most appropriate methods to support an effective learning. The primary goal of instructional design is to guarantee the quality of online learning services by using technology-based instruction. In other words, the instructional design should be able to promote, facilitate, inspire deep learning and promote innovative students services through the active and engaging use of educational technologies. Instructional designers are those who evaluate learning needs, objectives and develop and effective delivery system (1) The AIDE (Advance Instructional Design Model for E-learning) is the framework which was developed in accordance with the ADDIE model and DISC behavior model. Its goal is to provide the educator with framework that can help them develop more effective e-learning system. The simulation of AIDE implementation is given and the prototype that simulate how to improve the system design by using AIDE also present in this report.
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ItemEfficient bitstream compression using historical-based grouping and size-based coding rearrangement( 2009) Thotsapon Sortrakul ; Wuthikrai TharachatrData storage becomes one of the important factors for most of large enterprises in increasing the cost, chip area, and dissipation. Large enterprises usually create redundancy of repeated digital messages through communication and documentary. In order to minimize these kinds of redundant bitstream, this paper presents a novel algorithm for lossless data compression by developing Historical-Based grouping and Sized-Based Coding Rearrangement approaches to reduce the code size used in compress redundant data flows. The Historical-Based grouping technique improves efficiency of data compression by implementing knowledge-based dictionary that is adaptive and can analyze the existing text coding with the incoming text by considering frequency of same text that has been compresses. In this case, if a compressed text besides that particular compressed text is the same, then this algorithm will group them into a "phase" by using just a particular compression code or symbol to identify that phase. This technique can also efficiently reduce compressed data size by extending a particular compression text length from "word" to "phase", from "phase" to "sentence", from "sentence" to "paragraph", indefinitely depended on repetition of the same binary patterns and amount of available memory allocated to store it. This technique is also able to group various groups of duplicated texts into a single code if those text groups are located in the same text area, same length of space between groups of texts, and set special symbols to link among each group of texts if space lengths are not the same. The objective of this technique is to analyze the historical coded data to minimize the coded size either to group or not to group the same binary patterns based on their frequencies. However, coding of the same binary patterns by using only the knowledge-based dictionary approaches might not be able to efficiently minimize the compressed patterns since frequencies of specific patterns are different. The data that being encoded should be frequency-based analyzed and grouped as long as possible by using historical-Based Grouping approach, then the compressed output should be rearrange based on their coding sizes and text lengths in which the result of total bit size should be concerned and minimized. Normally, longest or mostly-use coded text should be matched with the shortest code or symbol to ensure that every codes are efficiently utilized and total memory space requirement for that particular file is minimized.
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ItemThe evolution of instructional system design model( 2010) Nida Denphaisarn ; Thotsapon SortrakulThe Field of instructional design and technology contain the analysis of learning and performance problems, and the design, development, implementation, evaluation and management of instructional and non instructional processes and resources are intended to improve learning and performance in a variety of settings, particularly educational institutions and the workplace. Professionals in the field of instructional design and technology often use systematic instructional design procedures and employ a variety of instructional media to accomplish their goals. The intention of this paper is to present the evolution of Instructional System Design Model which has been developed in different period of time. And also present the development of a NIDA - New Instructional Design for Advance Learning is the framework which was developed in accordance with the ADDIE model and DISC behavior model. Its goal is to provide the educator with framework that can help them develop more effective e-learning system. The simulation of NIDA implementation is given and the prototype that simulate how to improve the system design by using NIDA also present in this report.
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