تقييم لاستراتيجيات التقاط الصور من أجل نمذجة الأجزاء الداخلية للمباني باستخدام المسح التصويري المؤتمت
Abstract
لقد أصبحت نمذجة الأجزاء الداخلية للمباني في السنوات الأخيرة، محور بحث مهم وخاصة من أجل المساعدة على الملاحة داخل هذه الأجزاء وعلى إدارة الأزمات مثل الحماية من الحرائق، وكذلك من أجل بناء الواقع المعزز للألعاب، والسياحة.
عادةً ما يتم استخراج المعلومات الملاحية تقليدياً من الرسومات ثنائية البعد ويتم تجاهل الحالة الحقيقية للداخل، بما في ذلك وضعية الفتحات وهندسية النوافذ والأبواب، ووجود العقبات. في هذا البحث، تم تطبيق منهجية لنمذجة الأجزاء الداخلية للمباني انطلاقاً من غمامات نقاط ثلاثية الأبعاد مقتطعة آلياً من الصور وذلك للتعبير الدقيق عن الوضع الراهن لهذه الأجزاء. لقد تم تطبيق عدة استراتيجيات لالتقاط الصور وتمت مقارنة النماذج الناتجة عنها من ناحيتي الدقة الهندسية والكمالية، كما تم تحديد معطيات ضبط على شكل شبكة من النقاط موزعة على واجهات الجزء المنمذج.
بيّنت النتائج أن المساحة التصويرية المؤتمتة متعددة الصور القائمة على استراتيجية التقاط الصور الموازية للجدران الداخلية، يمكن أن تكون حلّاً فعّالاً ودقيقاً لنمذجة الأجزاء الداخلية للمباني.
In recent years, the modeling of indoor parts of buildings has become an important research axes especially to help navigate within these parts and to manage crises such as fire protection, as well as to building augmented reality of games and tourism.
Usually, the navigational information is traditionally extracted from two-dimensional graphics and the real situation of the interior is ignored, including the position of the openings, the geometry of windows and doors, and the presence of obstacles. In this research, a methodology was applied to model the indoor parts of the buildings from three-dimensional point clouds, automatically extracted from the images, to present the current status of these parts accurately. Several imaging strategies have been applied and the resulting models have been compared in terms of both accuracy and completeness, and the control data was used in the form of a network of points distributed on the facades of the part which has been modeled.
The results showed that the multi-image automated photogrammetry based on imaging strategy parallel to the interior walls, can be an effective and accurate solution for modeling the indoor parts of buildings.
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