Deni Suwardhi

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Verified

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• Doctor of Philosophy
• Professor (Associate) at Bandung Institute of Technology

One of the factors of decreased productivity of rice fields is the agricultural hazards that occur in Indonesia due to climate and weather changes. One way to reduce the impact is by providing a need for information on areas affected by agricultural hazards so that it can be used for decision making in food security. This research conducts spatial...

A tsunami disaster can cause significant economic losses for a tourism area like Batukaras Village, which is located on the southern coast of Java Island. This paper tries to elaborate on the calculation of economic losses in tourism areas due to the damage to buildings, loss of land production and loss of income based on high-resolution geospatial...

Citation: Hernandi, A.; Meilano, I.; Saptari, A.Y.; Suwardhi, D.; Abdulharis, R.; Handayani, A.P.; Nurmaulia, S.L.; Putri, N.S.E.; Widyastuti, R.; Merdekawati, P.; et al. Abstract: Land taxation, mainly the Land and Building Tax (LBT), is a critical revenue source for local governments in Indonesia, yet its contribution remains suboptimal due to in...

In recent years, novel 3D reconstruction methods have been developed to enhance traditional image-based point cloud generation techniques, leading, among other things, to the emergence of the concept of virtual forests. However, within the forestry domain, this concept is still somewhat ambiguous and may carry different meanings depending on the co...

East Hall is a historical building situated in the Ganesha Campus of the Bandung Institute of Technology. Metaverse is a light detecting and ranging (LiDAR) technology in digitizing. This study presents an application of Metaverse in the preservation of the East Hall. Through this, the preservation of heritage buildings takes on a new meaning, allo...

3D city models are an important cornerstone in the development of digital twin cities, allowing for various analyses and simulations. CityGML, as an open standard for 3D city models, emphasizes five main aspects: scale or level of detail (LoD), semantics, geometry, topology, and appearance. One of the important elements in CityGML 3D city models is...

Airborne laser technology produces point clouds that can be used to build 3D models of buildings. However, the work is a laborious process that could benefit from automation. Artificial intelligence (AI) has been widely used in automating building segmentation as one of the initial stages in the 3D modeling process. The algorithms with a high succe...

Several Land Parcel Geometry issues in Indonesia's Land Registration Process, such as parcel overlapping, gaps between parcels, and incorrect parcel shapes and sizes, are currently being addressed through a block adjustment approach. One crucial aspect of the block adjustment process is determining control points that tie the parcel geometry to the...

The increasing demand for land development due to human activities has fueled urbanization. However, uncontrolled urban development in some regions has resulted in urban environmental problems arising from an imbalance between supply and demand. This study aims to develop an integrated model for evaluating and prioritizing the management of hazardo...

Urban greenery provides enormous benefits that include flood regulation by intercepting rainfall before it evaporates, thus contributing to reducing runoff. Hydrologic modelling is often used to simulate floods, including runoff-generating processes in urban environments, based on raster data. However, the modelling outcomes heavily rely on image r...

Road extraction is one of the stages in the map-making process, which has been done manually, takes a long time, and costs a lot. Deep Learning is used to speed up the road extraction process by performing binary semantic segmentation on the image. We propose DeepLab V3+ to produce road extraction from very high-resolution orthophoto for Indonesia...

Road extraction plays a crucial role in various sectors, including transportation systems, disaster relief distribution, and urban planning, necessitating a more efficient method than the current labor-intensive approach. The conventional process, reliant on operator efforts, proves costly, time-consuming, and energy intensive. To address this, the...

The potential for future energy crises is a problem the world is currently facing. Many countries are switching from fossil to renewable energy to prevent an energy crisis. One of the most developed renewable energy today is solar energy. Easy installation makes solar energy installation not only on a large scale but also on a home scale. Urban are...

Despite the wealth of cultural heritage objects in Indonesia, some of which are considered UNESCO World Heritage sites, more documentation still needs to be done. One of the reasons behind this problem is that the documentation of complex cultural heritage objects is more complicated than most modern objects, which are often more simplistic. This p...

There are several problems with spatial data in land registration in Indonesia. Many plots of land that have been measured and registered do not match geometrically and positionally with the actual field, causing the adjacent parcels not to match each other. This condition is caused by several issues such as measurement technology, measurement time...

Food security is highly dependent on three aspects, namely food availability, food access, and food utilization. The availability aspect depends on food supply which is identical to agricultural productivity. West Java Province is the third national rice producer with 16.6%, but West Java Province is the most extensive rice consumer, around 21.1% o...

The food crisis is a problem that the world will face. The availability of growing areas that continues to decrease with the increase in food demand will result in a food crisis in the future. Good planning is needed to deal with future food crises. The absence of studies on the development of spatial models in estimating an area's future food stat...

The development and management of green open spaces are essential in overcoming environmental problems such as air pollution and urban warming. 3D modeling and biomass calculation are the example efforts in managing green open spaces. In this study, 3D modeling was carried out on point clouds data acquired by the UAV photogrammetry and UAV LiDAR me...

A smart city is a concept of urban development that requires different technologies to integrate all city elements into a sustainable city system. Land administration, including three-dimensional (3D) cadaster and planning, is a precondition for having a smart city. Land administration in the smart city will be more attractive when the city has a c...

Pemodelan 3D merupakan salah satu aspek yang penting dalam perencanaan dan analisis suatu wilayah. Model 3D wilayah urban dapat digunakan dalam berbagai aplikasi (Yao, dkk., 2018). Contoh dari aplikasi penggunaan model 3D pada suatu wilayah adalah estimasi perambatan kebisingan, kadaster 3D, dan manajemen fasilitas. Model 3D pada suatu wilayah menc...

Tingkat keandalan bangunan gedung merupakan salah satu persyaratan yang diperlukan untuk menentukan kelaikan sebuah bangunan sebelum digunakan. Bangunan yang memenuhi persyaratan keselamatan, kesehatan, kenyamanan, dan kemudahan bangunan gedung sesuai dengan fungsi yang telah ditetapkan dapat dikatakan andal dan berhak untuk mendapatkan Sertifikat...

Documentation of heritage objects has advanced significantly with the invention and development of many 3D sensors and processing algorithms. These technical advancements are of the utmost interest for cultural heritage stakeholders; knowledge transfer between key players is therefore essential and is indeed the main philosophy behind the CIPA Heri...

Close-Range Photogrammetry (CRP) technology advanced rapidly along with the development of camera sensors. CRP has many advantages over other methods in terms of technical data acquisition, product quality, and cost. Because of these advantages, the CRP method can be used in various applications. In this study, the CRP method is used to monitor the...

Building Information Modelling (BIM) merupakan sebuah sistem yang umum digunakan sebagai penunjang pembangunan gedung ataupun bangunan lainnya. Namun demikian, BIM memiliki keterbatasan untuk melakukan analisis aspek bangunan yang bersifat keruangan atau spasial. Sementara itu, Geographic Information System (GIS) merupakan sebuah sistem yang memili...

Building Information Modelling (BIM) merupakan sebuah sistem yang umum digunakan sebagai penunjang pembangunan gedung ataupun bangunan lainnya. Namun demikian, BIM memiliki keterbatasan untuk melakukan analisis aspek bangunan yang bersifat keruangan atau spasial. Sementara itu, Geographic Information System (GIS) merupakan sebuah sistem yang memili...

CityGML merupakan model data yang bersifat terbuka untuk memodelkan wilayah perkotaan maupun lanskap secara 3D. Dari lima tingkat perincian/Levels of Detail (LOD) pada CityGML, LOD2 menjadi tingkat perincian yang penting karena ketersediaan informasi atap bangunan. Informasi ini merupakan syarat dasar data untuk pelaksanaan aplikasi seperti perenca...

Indonesia saat ini sedang melakukan pemetaan skala besar secara masif. Salah satu metode yang digunakan pada pemetaan skala besar tersebut adalah dengan menggunakan teknik fotogrametri berbasiskan Unmanned Aerial Vehicle (UAV). Saat ini, metode penentuan titik kontrol udara dengan menggunakan Global Navigation Satellite System (GNSS) banyak dilakuk...

Developments in UAV sensors and platforms in recent decades have stimulated an upsurge in its application for 3D mapping. The relatively low-cost nature of UAVs combined with the use of revolutionary photogrammetric algorithms, such as dense image matching, has made it a strong competitor to aerial lidar mapping. However, in the context of 3D city...

Landscape architecture affected by interaction between built and natural environment such as vegetation. Nowadays, landscape architects are using 3D city models for simulations, which requires highly dynamic and time-varying attributes. 3D city modelling structure has been standardized by CityGML, although researches that are related to the storing...

Banana is one of the leading fruit commodities of Indonesia and ranks the sixth position as one of the largest banana producers in the world. There are more than 200 types of banana in Indonesia. The utilization of bananas is influenced by the local culture, where in every 10 horticultural households, 5 of them plant bananas both as garden plants o...

The 3D city/landscape model is digital representation of real environment that can be used for planner or landscape architecture in urban development planning. That model’s more focused on building, whereas vegetation model’s also needed for urban planning simulation. This research purposes are to map existing vegetation and to generate individual...

Buildings are an important focus that needs to be modeled in three-dimensional (3D) city model. 3D models of buildings can be used to assist the construction and maintenance of cities. Currently there are many technologies that can be used to manage data and information from buildings or cities, such as Geographical Information System (GIS) and Bui...

The use of photogrammetry in 3D heritage documentation has matured over the recent years. In the same time, many types of sensors have also been developed in the field of imaging. While photogrammetry is considered as a low-cost alternative to TLS, several options exist in terms of sensor type with trade-offs between price, ease of use, and quality...

Nowadays, in light of the latest development in three-dimensional (3D) modeling technology, an essential role is given to the research and development of fully-automated or semi-automated processes in order to increase workflow effectiveness. A key challenge is thus to automate the process leading to the geometric model which supports the Building...

Institut Teknologi Bandung has a vision as a World Class university. One of the strategy to reach the aforementioned vision is the improvement of international standard education and research infrastructure with the sustainable maintenance. Waterlogging is an infrastructure problem that always happens in ITB Ganesha campus. Digital Terrain Model is...

Laser scanning and photogrammetry methods have seen immense development in the last years. From bulky inaccessible systems, these two 3D recording systems has become more or less ubiquitous, which is also the case in the heritage domain. However, automation in point cloud classification and semantic annotation remains a much studied topic. In this...

3D recording is an important procedure in the conservation of heritage sites. This past decade, a myriad of 3D sensors has appeared in the market with different advantages and disadvantages. Most notably, the laser scanning and photogrammetry methods have become some of the most used techniques in 3D recording. The integration of these different se...

Paper ini dibuat sebagai review dari sejumlah studi terkait dengan pisang (Musa spp.) yang bertujuan untuk mengenalkan konsep multidisiplin dalam mengkaji pisang secara terintegrasi yang dikenal dengan GeoBioSpektral. Pendekatan GeoBioSpektral digunakan untuk melakukan karakterisasi tanaman dan buah pisang berdasarkan sifat fisiologis, morfologis,...

This study is intended to examine the growing phases and the harvest of sugarcane crops. The growing phases is analyzed with remote sensing approaches. The remote sensing data employed is Landsat 8. The vegetation indices of Normalized Difference Vegetation Index (NDVI) and Enhanced Normalized Difference Vegetation Index (ENDVI) are employed to ana...

Infrastruktur yang dibangun untuk meningkatkan konektivitas dan kelancaran mobilitas orang dan barang adalah pembangunan jalan, jalan tol, dan jembatan. Agar tahapan pelaksanaan konstruksi sesuai dengan tahapan perencanaan teknis, maka dilakukan upaya monitoring konstruksi jalan. Selain itu, dengan adanya monitoring, dapat diidentifikasi dan dianti...

The need for bananas in Bali far exceeds the production. To obtain optimal production according to their genetic potential, the development of banana cultivation should be preceded by a land suitability evaluation study. This study aims to evaluate the land suitability based on agroecological parameters such as rainfall, altitude, dry month, slope,...

The 3D documentation of heritage complexes or quarters often requires more than one scale due to its extended area. While the documentation of individual buildings requires a technique with finer resolution, that of the complex itself may not need the same degree of detail. This has led to the use of a multi-scale approach in such situations, which...

A landscape/city consist of man-made objects (e.g., buildings), natural objects (e.g., vegetation), and terrain. Currently, 3D landscape/city modeling, such as CityGML, still focus on the representation of building geometry. However, In fact, vegetation is also important to be modeled as it can be used as a visualization and analysis tool for some...

The need for bananas in Bali far exceeds the production. To obtain optimal production according to their genetic potential, the development of banana cultivation should be preceded by a land suitability evaluation study. This study aims to evaluate the land suitability based on agroecological parameters such as rainfall, altitude, dry month, slope,...

AbstrakDewasa ini teknik pencocokan citra banyak dimanfaatkan dalam fotogrametri. Metode yang berasal dari ranah penglihatan komputer ini dapat mempermudah sejumlah tugas dalam fotogrametri yang sebelumnya harus dikerjakan secara manual. Fotogrametri sendiri merupakan teknik yang sering digunakan dalam dokumentasi cagar budaya dan arkeologi untuk m...

Indonesia adalah negara yang kaya akan warisan budaya. Saat ini kita mengetahui bahwa dokumentasi mengenai objek arkeologi masih terbatas. Sumber pengetahuan mengenai objek arkeologi yang terdokumentasi seper foto, sketsa, dan buku hanya sedikit. Ekskavasi merupakan kegiatan yang khas dalam arkeologi, sehingga karena keterkaitannya yang begitu erat...

Mount Sinabung is still active since its first eruption in 2010 and has been declared as national disaster. The persistent eruptions afterward have been lively and affected severely the surrounding villages located within the 5 km from its crater. The purpose of this study is to explore drone technology and its applicability in mapping a volcanic h...

Dewasa ini teknik pencocokan citra banyak dimanfaatkan dalam fotogrametri. Metode yang berasal dari ranah penglihatan komputer ini dapat mempermudah sejumlah tugas dalam fotogrametri yang sebelumnya harus dikerjakan secara manual. Fotogrametri sendiri merupakan teknik yang sering digunakan dalam dokumentasi cagar budaya dan arkeologi untuk menghasi...

Candi Borobudur merupakan salah satu warisan budaya masa lampau yang sudah ditetapkan oleh UNESCO sebagai Warisan Dunia. Upaya pelestarian Candi Borobudur sebagai salah satu Warisan Dunia (World Heritage) terus dilakukan oleh para pelestari, salah satunya adalah dengan melakukan perekaman secara digital dalam bentuk model 3D (tiga dimensi). Data -...

The new campus of ITB-Indonesia, which is located at Jatinangor, requires good facilities and infrastructures to supporting all of campus activities. Those can not be separated from procurement and maintenance activities. Technology for procurement and maintenance of facilities and infrastructures –based computer (information system)– has been know...

Spatial data and information had been used for some time in planning or landscape design. For a long time, architects were using spatial data in the form of topographic map for their designs. This method is not efficient, and it is also not more accurate than using spatial analysis by utilizing GIS. Architects are sometimes also only accentuating t...

This study aims to see the effect of non-metric oblique and vertical camera combination along with the configuration of the ground control points to improve the precision and accuracy in UAV-Photogrammetry project. The field observation method is used for data acquisition with aerial photographs and ground control points. All data are processed by...

This study aims to see the effect of non-metric oblique and vertical camera combination along with the configuration of the ground control points to improve the precision and accuracy in UAV-Photogrammetry project. The field observation method is used for data acquisition with aerial photographs and ground control points. All data are processed by...

In ensuring that national food security is attained, decision-makers ought to make use of a certain food crop monitoring process. Advantages of using remote sensing technology in making estimates via object-based satellite images have significantly influenced decision-makers in monitoring crop producivity, subsequently helping them to formulate nec...

Pattern recognition is to determine the pattern group or category based on the features possessed by the pattern, the purpose is to distinguish between one object with another object based on the pattern owned by the object in the image. Satellite image is the image data generated from remote sensing technology, satellite image extraction process i...

The Borobudur temple (Indonesia) is one of the greatest Buddhist monuments in the world, now listed as an UNESCO World Heritage Site. The present state of the temple is the result of restorations after being exposed to natural disasters several times. Today there is still a growing rate of deterioration of the building stones whose causes need furt...

This paper discusses the use of close-range photogrammetry techniques for documenting a traditional Batak Toba house in Samosir Island, North Sumatra. The discussion is to bring awareness of its possible uses for preserving traditional houses and promoting them as cultural heritage. The most significant role of the method in cultural heritage is it...

The subject of the investigation reported in this paper is the visualization of three-dimensional (3D) surface models in a 3D mapping survey using terrestrial laser scanning (TLS). The Cangkuang Temple nearby Garut City was chosen as the object. The laser technology instruments used were a Topcon GLS-1000 (Geodetic Laser Scanner) and a Topcon IS (I...

Nowadays, 3D city models are used by the increasing number of applications. Most applications require not only geometric information but also semantic information. As a standard and tool for 3D city model, CityGML, provides a method for storing and managing both geometric and semantic information. Moreover, it also provides the multi-scale represen...

The popularity of Terrestrial Laser Scanners (TLS) to capture three dimensional (3D) objects has been used widely for various applications. Development in 3D models has also led people to visualize the environment in 3D. Visualization of objects in a city environment in 3D can be useful for many applications. However, different applications require...

The present work is a preliminary work on the development of NIR camera photograph as alternative tool for corrosion product identification. Corrosion products were taken from two different carbon steel tubes side, one is from thinning tube side, the other is from normal tube side. From optical microscope data, it was observed that the thinning tub...

Various methods are available to generate 3D model of building such as close range photogrammetry and Terrestrial Laser Scanner (TLS). In order to generate detailed 3D model of building, nowadays TLS become popular as a measurement tools to capture building model since it can capture precise point cloud. However, problem in processing the point clo...

Today, 3D model of building has been used by many applications. In the other hand, the popularity of Terrestrial Laser Scanner (TLS) has also increased significantly since it can capture 3D object directly by scanning the object. However, its application and data processing have been into specific issues such as georeferencing the point cloud. Geor...

Cultural heritage is an asset owned by any country that can tell behavior of people’s life there. The story of the cultural heritage – one of them contained in archaeological object – is a story that have historical value and can not be replaced so we need to make the right efforts to conserve them, such as documenting the archaeological object we...

Over the last decade, Terrestrial Laser Scanner (TLS) has been used extensively. Its popularity as 3D measurement has put up this tools to be used for generating 3D model of building. Especially since 3D City Models were widely use by various applications, the demand of 3D model of building are also increasing. In order to fill the requirement in 3...

Today, 3D model of buildings has been used for many applications. On the other hand, the popularity of Terrestrial Laser Scanner has also increased significantly since it can capture 3D object directly by scanning the object. However, its application and data processing has developed into specific issues such as georeferencing the point cloud. Geor...

Three dimensional (3D) modeling has been an important process in documenting archeological sites. Unlike conventional 2D drawings, 3D models provide both archeologists and future reconstruction workers with accurate geometrical data of the object in digital form, thus enabling various experiments and research. For this cause, archeological institut...

For specific medical purposes (such as craniofacial reconstruction), human faces and skulls (i.e. soft and hard tissues) need to be modeled and measured accurately. This multidisciplinary research focuses on the development of surgical planning system for craniofacial reconstruction, for both the soft and hard tissues. The craniofacial reconstructi...

This paper presents a technique to model a person's face from a set of digital photographs corresponding to different views of the 3D facial mesh from laser scanner. Modeling approach is based on photogrammetric techniques in which images are used to create precise geometry and texture information. Faces are modeled by interactively fitting a 3D fa...

Measurements and different analyses of dental casts are essential for precise diagnosis of an orthodontic case. At present, virtual computerized models, such as from Laser Scanning, are available for clinicians, supplemented by dedicated software for performing the required measurement. The purpose of this study is to measure and compare a set of d...

Craniofacial Database System has been developed for storing, manipulation and analysis with Geometric Morphometrics concept. The main objective of the system is to store the normal craniofacial (face and/or skull) of Malaysian people. The ‘normal’ is used for reference in many areas such as surgical planning, forensic, gear protective design, and a...

Preliminary study shows that craniofacial surgery in Malaysia uses reference data from abroad, as the local craniofacial database is not available yet. This research concentrates on the development of a prototype information system, as a basis for nationwide craniofacial database. Key techniques employed to capture the spatial data are laser scanni...

The purpose of this study is to introduce 3-D laser scanning as a three-dimensional registration method for quantifying facial morphology and detecting changes in facial morphology during growth and development. By using 3D laser scanning method, three-dimensional co-ordinates for the bilateral landmarks Exocanthion and Cheilion and the midsagittal...

This paper presents the development of a web-driven database for images. The image database archives 2-D and 3-D images. Image files are stored unchanged in a central directory (archive). Users of the system are subdivided into groups, and a user who owns an image (by uploading it) can determine specific user on the system that is allowed to view a...

This paper describes craniofacial medical application, with the emphasis on the comparison of normal and abnormal facial data by using statistical shape analysis method to classify the data sets. The data consists of 3D laser scans of mannequin faces. The normal facial dataset is based on the mannequin. The distance between two landmarks and angle...

Craniofacial reconstruction surgery requires precise measurement of human faces and skulls. In this research, the developed procedure combines data from various non-contact precise imaging sensors, i.e. laser scanning via VIVID910 (together with stereo photogrammetric) and CT scan, for imaging the h uman faces and skulls respectively. This paper fo...

This study presents a data registration method for craniofacial spatial data of different modalities. The data consists of three dimensional (3D) vector and raster data models. The data is stored in object relational database. The data capture devices are Laser scanner, CT (Computed Tomography) scan and CR (Close Range) Photogrammetry. The objectiv...

This study presents a data registration method for craniofacial spatial data of different modalities. The data consists of three dimensional (3D) vector and raster data models. The data is stored in object relational database. The data capture devices are Laser scanner, CT (Computed Tomography) scan and CR (Close Range) Photogrammetry. The objectiv...

This paper describes two methods to create a parametric model of a craniofacial structure. The first method uses spherical harmonics (SH) which describe the surface determined by mapping to a sphere. The second method is Hierarchical B-Spline which split the surface into several numbers of patches to obtain a given shape. The usual way of storing c...

SUMMARY A multi-disciplinary research is established between Universiti Teknologi Malaysia (UTM), Standards & Industrial Research Institute Malaysia (SIRIM), and Universiti Sains Malaysia (USM). The research focuses on the development of surgical planning system for craniofacial reconstruction, for both the soft and hard tissues. This paper discuss...