Knowledge

How to Achieve Sub-Meter Positioning Accuracy using Smartphone

By • • Knowledge, Research, Teaching • , , , • 3 minutes of reading

By Shahabuddin Amerudin Achieving sub-meter positioning accuracy using a smartphone involves utilizing a combination of techniques, technologies, and tools that optimize the device’s built-in Global Navigation Satellite System (GNSS) capabilities. While smartphones typically offer less precise positioning compared to dedicated high-end GNSS receivers, advancements in hardware and software have enabled the enhancement of smartphone-based positioning accuracy. Here’s how to achieve sub-meter accuracy: It’s important to note that achieving sub-meter accuracy with a smartphone might still have limitations, especially in challenging environments like urban canyons or densely vegetated areas. The choice of method depends on the specific requirements of your application […]

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Pioneering High-Accuracy GNSS Positioning with Low-Cost Receivers and Smartphones

By • • Knowledge, Project, Public, Research, Teaching • , , , , , , • 4 minutes of reading

By Shahabuddin Amerudin Introduction In the dynamic landscape of navigation and positioning technology, a remarkable breakthrough has emerged: the accessibility of high-accuracy GNSS positioning through low-cost receivers and smartphones (Marchi et al., 2022). As we delve deeper into this realm, we uncover a transformative era of precision that was once reserved for specialized equipment. This article explores the advancements, implications, and the potential for achieving centimeter-level accuracy through these affordable solutions. Empowering Ubiquity The narrative begins with the widespread adoption of low-cost GNSS technology. This innovation is now not only accessible but also adaptable with minimal investment. The EGSA GNSS

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Unveiling Spatial Relationships: Predictive Applications of Regression Analysis

By • • Knowledge, Research, Teaching • , , , , , , , • 6 minutes of reading

By Shahabuddin Amerudin Introduction In the realm of data analysis, regression analysis stands as a powerful tool that facilitates the exploration, understanding, and prediction of spatial relationships. By unraveling the intricate connections between variables, it provides insights into the factors driving observed spatial patterns. In this article, we delve into the fascinating world of regression analysis, focusing on its predictive applications through two distinct examples: the prediction of human deaths and the analysis of grave demand. Regression analysis forms the cornerstone of modern statistical analysis, enabling us to move beyond mere correlation and into the realm of causation. As we

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The Evolution of Location Based Services: A Critical Review and Analysis

By • • Knowledge, Research, Teaching • , , , , , , , • 4 minutes of reading

By Shahabuddin Amerudin Abstract Location Based Services (LBS) have undergone remarkable transformations since the publication of the seminal paper “The Development of Location Based Services in Malaysia” in 2009. This paper offers an extensive review and analysis of the original article in the context of recent advancements and trends in LBS technology. By critically examining the original paper’s content, relevance, and implications for today’s technological landscape, this review aims to provide a comprehensive understanding of the evolution of LBS. 1. Introduction The original paper, published in 2009, explored the development of LBS in Malaysia, particularly in conjunction with the National

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Exploring the Transformative Applications of Artificial Intelligence and Machine Learning in Geospatial Technology

By • • Knowledge, Project, Public, Research, Teaching • , , , , , • 4 minutes of reading

By Shahabuddin Amerudin Abstract Geospatial technology has emerged as a pivotal discipline with far-reaching implications in numerous fields, including environmental science, geography, urban planning, and agriculture. The fusion of Artificial Intelligence (AI) and Machine Learning (ML) with geospatial analysis has ushered in an era of unprecedented advancements, elevating the capabilities of geospatial technology to new heights. This comprehensive academic article delves into the multifaceted applications of AI and ML in geospatial technology, elucidating their roles in land cover mapping, flood prediction and monitoring, precision agriculture, and traffic management. By understanding these innovative applications, readers can contribute meaningfully to the evolution

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Emerging Trends in GIS Software Systems: The Impact of Artificial Intelligence on Environmental Conservation and Resource Management

By • • Knowledge, Project, Public, Research, Teaching • , , , , , , , , • 5 minutes of reading

By Shahabuddin Amerudin Abstract Geographic Information Systems (GIS) play a vital role in environmental conservation and natural resource management. In recent years, the integration of Artificial Intelligence (AI) into GIS software has led to revolutionary advancements, enhancing the capabilities and intelligence of GIS applications. This article explores the emerging trends in GIS software systems that leverage AI technologies, focusing on various aspects such as interaction methods, data visualization, predictive modelling, spatial analysis, real-time decision-making, autonomous data collection, data fusion, precision agriculture, and environmental risk assessment. These trends are transforming the way government agencies and organizations address complex environmental challenges, promoting

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The Evolution of GIS Software 

By • • Knowledge, Public, Research, Teaching • , , , , , , , , • 2 minutes of reading

By Shahabuddin Amerudin The evolution of GIS software has been marked by key milestones and advancements that have shaped the current landscape of geospatial technology: 1. Early Beginnings (1960s-1970s): 2. Mainframe and Early Desktop GIS (1980s-1990s): 3. Introduction of Vector Data Models: 4. Integration of Remote Sensing and GPS (1990s): 5. Web-Based GIS (Late 1990s-2000s): 6. Open Source GIS (2000s): 7. Mobile GIS and Location-Based Services (2000s-2010s): 8. Cloud-Based GIS (2010s): 9. Big Data and Spatial Data Science (2010s): 10. Integration of AI and Machine Learning (Present): The evolution of GIS software has witnessed significant milestones and technological advancements, transforming

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Sub-Meter Accuracy in Consumer Smartphones: Advancements and Challenges in GNSS Positioning

By • • Knowledge, Research, Teaching • , , , , , , , • 3 minutes of reading

By Shahabuddin Amerudin Sub-meter accuracy in the context of GNSS (Global Navigation Satellite System) refers to the capability of a receiver to determine its position with an accuracy of less than one meter, typically in the range of centimeters or decimeters. This level of accuracy is highly desirable for various applications, including augmented reality, precise navigation, surveying, agriculture, and other location-based services where high precision is crucial. To achieve sub-meter accuracy, GNSS receivers need access to highly accurate and precise satellite positioning data. Traditional consumer-grade GNSS receivers, such as those found in smartphones, typically provide accuracy in the range of

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A Review: Accuracy for the Masses: Real-Time Sub-Meter in a Consumer Receiver?

By • • Knowledge, Research, Teaching • , , , , • 3 minutes of reading

By Shahabuddin Amerudin Authors: Joshua Critchley-Marrows, Marco Fortunato and William Roberts Publication Date: April 6, 2020 The article discusses a new methodology aimed at achieving sub-meter Global Navigation Satellite System (GNSS) accuracies in consumer devices such as smartphones. The goal is to enable applications like augmented reality and visually impaired navigation to function with higher precision. The article explores the challenges of achieving high accuracy in mass-market GNSS receivers, especially in the context of real-time positioning. It also introduces an alternative approach to Precise Point Positioning (PPP) to improve accuracy in challenging receiver environments. Key Points: Conclusion The article presents

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Review Article: World Sees Record Heat Waves

By • • Knowledge, Public • , , , , • 2 minutes of reading

The article by Anna Fleck discusses global heatwaves and presents preliminary data from the World Meteorological Organization (WMO) regarding recent temperature records. It highlights that the world has just experienced the hottest week on record (average July 3-9) following the hottest June on record. The article provides examples of temperature records being broken in various regions around the world. In South Asia, an exceptional heatwave occurred in April and May 2023, resulting in national temperature records being broken in Thailand, Vietnam, and Laos. Australia and Uruguay also matched their national temperature records last year, while the UK saw its all-time

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Understanding Location Accuracy Requirements in Various Applications

By • • Knowledge, Project, Public, Research, Teaching • , , , , , • 6 minutes of reading

By Shahabuddin Amerudin Introduction Location accuracy plays a vital role in numerous applications, enabling precise positioning, navigation, and tailored experiences. Different applications have varying location accuracy requirements based on their specific use cases and objectives. In this article, we explore a range of applications and their location accuracy needs, spanning from high accuracy requirements in the millimeter range to general accuracy needs within a few meters. Conclusion It’s important to note that these accuracy ranges are general guidelines and can vary depending on specific application requirements and user expectations. Additionally, advancements in technology, such as the availability of higher-quality GNSS

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Understanding Location Accuracy in Consumer Smartphones

By • • Knowledge, Project, Public, Research, Teaching • , , , , , • 3 minutes of reading

By Shahabuddin Amerudin Introduction Consumer smartphones have become integral to our daily lives, offering a wide range of features and functionalities, including location-based services. The accuracy of location information provided by smartphones is crucial for navigation, mapping, and various location-dependent applications. In this article, we explore the general capabilities of consumer smartphones in achieving location accuracy and the factors that influence it. GPS Technology and Accuracy Global Positioning System (GPS) is a widely used positioning technology in smartphones. With high-quality GPS receivers, smartphones can achieve location accuracy within a few meters under ideal conditions. GPS relies on signals from satellites

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Understanding Location Inaccuracy in Mapping Applications

By • • Knowledge, Project, Public, Research, Teaching • , , , • 4 minutes of reading

By Shahabuddin Amerudin Introduction Location accuracy plays a crucial role in mapping applications, allowing users to navigate, find points of interest, and track their movements. However, it’s important to acknowledge that location inaccuracy can sometimes occur, leading to discrepancies between the displayed location and the user’s actual position. In this article, we explore the various factors that contribute to location inaccuracy and discuss strategies to mitigate its impact on mapping applications. GPS Accuracy GPS (Global Positioning System) relies on satellite signals to determine precise location coordinates. However, several factors can affect the accuracy of GPS signals. Device limitations, such as

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Factors that can Contribute to Human Death

By • • Knowledge, Public, Research • , , • 5 minutes of reading

There are numerous factors that can contribute to human death. These factors can be categorized into various domains, including medical, environmental, behavioral, socioeconomic, and accidental causes. Here are some common factors associated with human death: It is important to note that the prevalence and significance of these factors may vary across regions and populations. Understanding and addressing these factors play a crucial role in public health initiatives, healthcare planning, and mortality risk reduction strategies. In the context of Malaysia, a diverse and rapidly developing country, various factors influence the mortality patterns and health outcomes of its population. By examining these

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Achieving Multiple Professional Titles: Exploring the Multifaceted Career of an Accomplished Individual

By • • Knowledge, Public • , , , , , • 3 minutes of reading

By Shahabuddin Amerudin Introduction In certain professional fields, individuals have the opportunity to accumulate multiple professional titles, representing various levels of expertise and qualifications. These titles, such as “Sr” “Ts.” “Ir.” and “Dr.” are indicative of significant achievements and expertise in specific domains. In this discussion, we will explore the multifaceted career of an accomplished individual who has attained multiple professional titles, and the implications of such achievements. The Significance of Multiple Professional Titles When an individual possesses multiple professional titles, it showcases a diverse range of accomplishments and qualifications. Each title represents a distinct level of expertise within a

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The Impact of the “Sr” Title in Academic Circles: Assessing Its Significance in Professional Communication

By • • Knowledge, Public, Research, Teaching • , , , • 3 minutes of reading

By Shahabuddin Amerudin Introduction As an academic, the use of professional titles holds importance in establishing credibility and recognition within your field. The “Sr” title from the Royal Institution of Surveyors Malaysia (RISM) is often seen as a mark of expertise and professional standing. However, it is essential to critically assess the impact of incorporating the “Sr” title when presenting oneself in academic contexts, such as on business cards, email signatures, or letters. In this discussion, we will explore the experiences and perceptions surrounding the utilization of the “Sr” title in academic communication and assess its actual significance in shaping

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Navigating the Path to Professional Recognition: Choosing Between the “Sr” or “Gs” Title for a Graduate in GIS Program

By • • Knowledge, Public, Teaching • , , , , , • 6 minutes of reading

By Shahabuddin Amerudin Introduction For graduates in Geographic Information Systems (GIS) programs, the journey towards professional recognition often includes the decision of whether to pursue the “Sr” title from the Royal Institution of Surveyors Malaysia (RISM) or the “Gs” title from the Institute of Geospatial and Remote Sensing Malaysia (IGRSM). Both titles carry significance within the GIS field, but understanding their nuances and benefits is essential for making an informed choice. In this article, we will explore the factors to consider when deciding between the “Sr” and “Gs” titles for GIS graduates. Royal Institution of Surveyors Malaysia (RISM) – “Sr”

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Evaluating the Value of Professional Memberships: Making Informed Career Decisions

By • • Knowledge, Public • , , , , , • 5 minutes of reading

By Shahabuddin Amerudin Introduction Professional memberships provide individuals with opportunities for career advancement, industry recognition, and access to valuable resources. With esteemed titles such as “Sr” for surveyors with the Royal Institution of Surveyors Malaysia (RISM), “Ts.” for Professional Technologists with the Malaysia Board of Technologists (MBOT), and “Ir.” for Professional Engineers with the Institute of Engineers Malaysia (IEM), these designations carry prestige and signify professional achievement. However, it is crucial to delve deeper into the advantages and disadvantages before committing to these professional memberships. This article will explore the factors to consider when evaluating the worth of professional memberships,

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Survey Analysis Report: UTM and Kg. Sg. Timun CSR Programme Feedback

By • • Jurnal, Knowledge, Teaching • , , , , • 5 minutes of reading

By Shahabuddin Amerudin Introduction This report presents the analysis of a post-programme survey conducted to gather feedback on the UTM and Kg. Sg. Timun CSR Programme. The survey aimed to evaluate participants’ satisfaction, assess the programme’s effectiveness in meeting expectations, and gather suggestions for improvement. The survey was administered online, and participants were asked to share their thoughts and experiences regarding various aspects of the programme. Survey Details The online survey was open for responses from June 13, 2023, to June 19, 2023. A total of 33 students were scheduled to participate in the programme; however, one participant was unable

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