Publications
A Non-Uniform Processing Method (NUPM) for Large Photogrammetry Datasets: Case Study of Shams-ol-Emareh, Golestan Palace (UNESCO World Heritage Site), Iran
A novel Non-Uniform Processing Method (NUPM) for large photogrammetry datasets enables high-quality 3D reconstruction of cultural heritage sites using consumer-grade computers, significantly reducing computational demands and output file sizes without compromising data quality. Applied to the Shams-ol-Emareh building at Golestan Palace, a UNESCO World Heritage Site in Iran, NUPM fragmented the object based on importance and roughness, processed segments separately, and then merged them. This approach reduced point cloud points by over 90% and mesh triangles by over 97%, yielding efficient textures and resolutions suitable for virtual reality, augmented reality, and gaming engines while maintaining geometric and aesthetic accuracy.
Royal Gardens in Republican Iran: a case study of the Golestan Palace Garden, Tehran
Golestan Palace Garden, a surviving remnant of Qajar-era royal gardens, has undergone significant transformations under successive regimes, losing its symbolic and social dimensions despite conservation efforts. Research reveals that museum-like restoration approaches, focusing solely on material preservation, fail to revive the garden's intangible heritage, which is crucial for its cultural relevance. The study highlights how political shifts—from Reza Shah Pahlavi’s regime to the Islamic Republic—reshaped the garden's meaning and function, rendering its traditional symbolism ineffective. Even after being designated a UNESCO World Heritage Site in 2013, the garden remains incomplete, underscoring the need for a more holistic approach that integrates social and symbolic elements into conservation strategies.
Study of Biodeterioration Potential of Microorganisms Isolated in the Paintings Storeroom of Mouze Makhsus Museum, Golestan Palace, Tehran
A diverse array of microorganisms, including bacteria and fungi, was identified as potential agents of biodeterioration in the paintings stored at Mouze Makhsus Museum within Golestan Palace. Among the isolated fungi, genera such as Aspergillus, Penicillium, Cladosporium, Alternaria, Curvularia, Chaetomium, and Trametes were detected, with notable cellulolytic activity observed in fungal isolates, posing a significant threat to the integrity of the paintings. Bacteria predominantly belonged to the Bacillus genus, alongside other genera like Staphylococcus, Micrococcus, Paenibacillus, Arthrobacter, Heyndrickxia, Priestia, and Rathayibacter. The study employed culturable-based analyses combined with molecular techniques, including PCR amplification and DNA sequencing of 16S rRNA and ITS regions, followed by phylogenetic analysis using the Neighbor-Joining method to identify and characterize these microbial communities.
A Technical Study of Red Paints in the Retouching Layer of Some Wet-Collodion Glass Plate Negatives of Golestan Palace Photo Archive
A technical analysis of red paints used in retouching wet-collodion glass plate negatives from the Golestan Palace photo archive, dating back to the mid-19th century Qajar era, reveals that red lead and red iron pigments were employed with precision. These pigments, identified using micro Fourier transform infrared (µ-FTIR), scanning electron microscopy-energy dispersive spectroscopy (SEM-EDS), and stereo microscopy, served distinct purposes: red lead was used to cover boundaries, enhance brightness, and bind masking papers, while red iron corrected emulsion defects and ensured a clear background. The binder in all paints was identified as gum Arabic, a natural resin. This study provides valuable insights into the deliberate use of retouching materials during this period, contributing significantly to the understanding and preservation of historical photographic techniques.
Application of FTIR Microscopy to Identify Some Glass Plates of Golestan Palace Photo Archive
Micro-Fourier Transform Infrared (µ-FTIR) spectroscopy has been demonstrated as a rapid, cost-effective, and non-destructive technique for identifying photographic glass plate emulsions, offering significant advantages over traditional visual or optical microscopic analyses. This study applied µ-FTIR to analyze glass plates from the Golestan Palace photo archive, confirming its efficacy in revealing material composition without requiring destructive sampling. The findings highlight the potential of this method as a routine diagnostic tool for heritage conservation, enabling deeper insights into photographic materials and ancient techniques while supporting preservation efforts.
On the Materia Medica of Dioscorides and a Report About a Copy of It in Tehran
A previously undocumented Arabic manuscript of Dioscorides' Materia Medica, one of the foundational pharmacology texts of the Islamic era, has been identified and reported for the first time. This manuscript, housed in the Golestan Palace library in Tehran, is noted for its exceptional quality and significance. The study highlights its historical value, emphasizing its role as a rare and unrecorded treasure in bibliographic literature. The research focuses on the manuscript's attributes, its translation lineage, and its contribution to understanding Islamic pharmacological traditions.
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