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Evaluating a New Stereo Panorama System based on Stereo Cameras

Abstract. Producing 3D urban models is required by most organizations. In this regard, the use of stereo panoramas is an image based solution which has attracted the developers and users of city maps. This is due to the fact that stereo panoramas offer complete viewing of the surroundings simply. There exist a number of techniques which are used to develop stereo panoramas and each structure has its own advantages and disadvantages. In this paper, a new stereo panorama system is presented which uses stereo cameras named "Stereo Panorama Modeler" that is patented. In addition to stereo viewing, other benefits of such a system are overcoming the effects of moving objects in images, increasing the automation of matching and stitching, and equal resolution on the whole stereo panorama. The paper describes the comparison between the proposed system and other stereo panorama systems. Moreover, the structure of the system, its components and applying stereo cameras in developing the stereo panorama system is studied. Finally, experiment carried out to evaluate the capability of the system in 3D city modeling. Evaluation results show that the system can produce suitable stereo panoramic models of the environment.

Keywords: Stereo Camera, Stereo Panorama, 3D Modeling,

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DOI: http://dx.doi.org/10.12983/ijsrin-2014-p0001-0010

 

Improving the Efficiency of Carbon Molecular Network Produced by Concentration of Some of Agricultural Products for Separation of Acidic Sulfur Gases and Gaseous Compounds of Nitrogen – Oxygen

Abstract. Sweetening process of hydrocarbon compounds (separation of acidic sulfur gases of natural gases) is of abundant importance in oil gas refining. "Synthetic" separation of oxygen from nitrogen is inevitable in various chemical compounds of nitrogen-oxygen. Through two separated phases for producing CMS carbon molecular network from some of agricultural products and improving.1.By heat treatment of carbon at high temperature in the absence of oxygen .2. Through another industrial method of carbon molecular network production by thermal decomposition of some of hydrocarbon gaseous compounds such as benzene, ethylene, ethane, hexane, etc. In this study used thermal decomposition method of some of hydrocarbon gaseous compounds. The process of improving the efficiency of CMS remarkably increases by reaching the pores about 4 angstroms. This process results in reduction of pore dimensions in carbon molecular network. Carbon molecular network in this phase is about 5 angstrom. To improve efficiency of absorption of this carbon molecular network and reduction of the size of its pores, the second phase of the process i.e. thermal analysis of benzene vapor and its effect on carbon molecular network is performed that results in reduction of carbon molecular network pores up to around 4 angstrom.

Keywords: CMS, separation, gas sweetening, agricultural products, Carbon Molecular

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DOI: http://dx.doi.org/10.12983/ijsrin-2014-p0011-0019

 

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