Academic literature on the topic 'Visibility buffer'

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Journal articles on the topic "Visibility buffer"

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Sukwai, Janjira, and Nattasit Srinurak. "Determination of Adjacent Visual Buffer Zones for the Temple Town of Chiang Mai City." Heritage 7, no. 11 (2024): 6036–52. http://dx.doi.org/10.3390/heritage7110283.

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Buffer zone delineation often extends from the outermost edge of a site boundary for a specific distance. This study proposes a novel approach to determining the visual buffer for the temple town of Chiang Mai city. Adjacent Visual Buffer (AVB) was determined for the temples and their approaching routes using a GIS-based visibility method based on the viewing feature’s visual coverage and the observer’s visual range. The findings revealed that the total viewshed/visual range characterized the visibility of the temples in relation to the viewing feature’s height, resulting in AVB radii of varyi
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Hu, Yong, David Stanley, and Yubin Xin. "TRUE ORTHO GENERATION OF URBAN AREA USING HIGH RESOLUTION AERIAL PHOTOS." ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences III-4 (June 3, 2016): 3–10. http://dx.doi.org/10.5194/isprsannals-iii-4-3-2016.

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The pros and cons of existing methods for true ortho generation are analyzed based on a critical literature review for its two major processing stages: visibility analysis and occlusion compensation. They process frame and pushbroom images using different algorithms for visibility analysis due to the need of perspective centers used by the z-buffer (or alike) techniques. For occlusion compensation, the pixel-based approach likely results in excessive seamlines in the ortho-rectified images due to the use of a quality measure on the pixel-by-pixel rating basis. In this paper, we proposed innova
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Hu, Yong, David Stanley, and Yubin Xin. "TRUE ORTHO GENERATION OF URBAN AREA USING HIGH RESOLUTION AERIAL PHOTOS." ISPRS Annals of Photogrammetry, Remote Sensing and Spatial Information Sciences III-4 (June 3, 2016): 3–10. http://dx.doi.org/10.5194/isprs-annals-iii-4-3-2016.

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The pros and cons of existing methods for true ortho generation are analyzed based on a critical literature review for its two major processing stages: visibility analysis and occlusion compensation. They process frame and pushbroom images using different algorithms for visibility analysis due to the need of perspective centers used by the z-buffer (or alike) techniques. For occlusion compensation, the pixel-based approach likely results in excessive seamlines in the ortho-rectified images due to the use of a quality measure on the pixel-by-pixel rating basis. In this paper, we proposed innova
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Garlick, P. B., and R. M. Townsend. "NMR visibility of Pi in perfused rat hearts is affected by changes in substrate and contractility." American Journal of Physiology-Heart and Circulatory Physiology 263, no. 2 (1992): H497—H502. http://dx.doi.org/10.1152/ajpheart.1992.263.2.h497.

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Nuclear magnetic resonance (NMR) spectroscopy does not always detect the total metabolite content in isolated perfused rat hearts. Alterations in NMR peak areas therefore could be caused by a change either in the metabolite content per se or in its NMR visibility. We have therefore compared the ATP, phosphocreatine (PCr), and Pi content of hearts, as determined by 31P-NMR spectroscopy, with the total, chemically determined ATP, PCr, and Pi contents of the same hearts to determine the fractions, if any, that are NMR invisible under different perfusion conditions. The three perfusion buffers use
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CHOW, S. K., and K. L. CHAN. "FAST AND REALISTIC RENDERING OF DEFORMABLE VIRTUAL CHARACTERS USING IMPOSTOR AND STENCIL BUFFER." International Journal of Image and Graphics 06, no. 04 (2006): 599–624. http://dx.doi.org/10.1142/s0219467806002409.

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Algorithms for rendering numerous virtual characters often achieve interactive frame rate by reducing the computation load. The major drawback of this approach is that the rendering quality is degraded. This project aims to develop a fast rendering scheme that can be used on realistic virtual human characters. We have made two contributions. Firstly, we have created a high quality human model and designed three basic deformation methods. The deformation of each body part is composed of the basic deformation methods. Our aim is to generate visually similar deformed and seamless character effici
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CHEN, CHENG-HSIEN, and CHEN-YI LEE. "REDUCE THE MEMORY BANDWIDTH OF 3D GRAPHICS HARDWARE WITH A NOVEL RASTERIZER." Journal of Circuits, Systems and Computers 11, no. 04 (2002): 377–91. http://dx.doi.org/10.1142/s0218126602000525.

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Currently, memory bandwidth has become the main bottleneck in graphics system. Reducing the memory access can reduce the power consumption and boost overall system performance. Low power technique is more important for graphics applications on hand-held or mobile device. In this paper, we propose a novel visibility driven rasterizer to reduce the memory access and operations on invisible pixels. It integrates with two-level hierarchical Z-buffer to do visibility driven rasterization. The rasterization scheme is tile-order scan-line based, and the rasterizer can smartly change the tile-size dep
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Grochowska, Jolanta. "Assessment of Water Buffer Capacity of Two Morphometrically Different, Degraded, Urban Lakes." Water 12, no. 5 (2020): 1512. http://dx.doi.org/10.3390/w12051512.

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The research was conducted in Karczemne Lake (area, 40.4 ha; maximum (max.) depth, 3.2 m) and Klasztorne Małe Lake (area, 13.7 ha; max. depth, 20.0 m) located in the Kashubian Lake District (Northern Poland). From the beginning of the 1950s, these reservoirs have received municipal and storm wastewater. The long-term process of lake contamination has shaped the specific buffer capacity conditions and influenced the circulation of carbonate and bicarbonate in the water of these ecosystems. Extremely high concentrations of nutrients (Karczemne Lake: max. total phosphorous (TP) level, 7.5 mg P L−
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Mosunmola Aroke, Olugbemi, Ikechukwu Sylvester Onuchukwu, Behzad Esmaeili, and Alejandra Medina Flintsch. "Countermeasures to Reduce Truck-Mounted Attenuator (TMA) Crashes: A State-of-the-Art Review." Future Transportation 2, no. 2 (2022): 425–52. http://dx.doi.org/10.3390/futuretransp2020024.

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To support worker and driver safety, this study conducted a comprehensive literature review to identify methods of enhancing TMA visibility, improving work zone configurations, and ensuring worker safety. To increase TMA recognition, this study observed that the use of a 6-to-8-inch wide yellow and black inverted ‘V’ pattern of retroreflective chevron markings, sloped at a 45-degree angle downward in both directions from the upper center of a rear panel is effective in alerting drivers to work zones. This study also recommends applying amber and white warning LEDs, which flash in an asynchrono
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Xu, Muhan. "Analysis Of the Principle, Applications and Defects Of Z-Buffer Algorithm." Highlights in Science, Engineering and Technology 103 (June 26, 2024): 334–39. http://dx.doi.org/10.54097/g30ts318.

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Z-buffering, commonly known as depth buffering, is a fundamental algorithm in the realm of computer graphics used to carry out hidden surface removal. This algorithm is classified as an image-space approach, where visibility is determined individually for each pixel on the view plane. Owing to its simplicity, efficiency, and accuracy in rendering complex scenes, the Z-buffer algorithm has been widely employed in real-time graphics renders, e.g., in video games, virtual reality (VR) and 3-dimensional modelling software. This study presents a detailed analysis of the underlying principles of the
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Lizotte, Richard E., Lindsey M. W. Yasarer, Ronald L. Bingner, Martin A. Locke, and Scott S. Knight. "Long-Term Oxbow Lake Trophic State under Agricultural Best Management Practices." Water 13, no. 8 (2021): 1123. http://dx.doi.org/10.3390/w13081123.

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A key principle of agricultural best management practices (BMPs) is to improve water quality by reducing agricultural-sourced nutrients and associated eutrophication. Long-term (1998–2016) lake summer trophic state index (TSI) trends of an agricultural watershed with agricultural best management practices (BMPs) were assessed. Structural BMPs included vegetative buffers, conservation tillage, conservation reserve, a constructed wetland, and a sediment retention pond. TSI included Secchi visibility (SD), chlorophyll a (Chl), total phosphorus (TP), and total nitrogen (TN). Summer TSI 1977 was &g
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Books on the topic "Visibility buffer"

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Kelly, Phil. Defending Classical Geopolitics. Oxford University Press, 2017. http://dx.doi.org/10.1093/acrefore/9780190228637.013.279.

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Three successive parts are presented within this article, all intended to raise the visibility and show the utility of classical geopolitics as a deserving and separate international-relations model: (a) a common traditional definition, (b) relevant theories that correspond to that definition, and (c) applications of certain theories that will delve at some depth into three case studies (the Ukrainian shatterbelt, contemporary Turkish geopolitics, and a North American heartland).The placement of states, regions, and resources, as affecting international relations and foreign policies, defines
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Book chapters on the topic "Visibility buffer"

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Srivastava, Yashdeep, Keshawanand Tripathi, and Narendra Kumar. "Agarose gel electrophoresis of DNA: Principles, protocols, and applications in molecular analysis." In Biotechnology Lab Techniques: Culture Media, Microscopy, and Microbial Analysis. Deep Science Publishing, 2025. https://doi.org/10.70593/978-93-49307-52-0_27.

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Agarose gel electrophoresis, a cornerstone technique in molecular biology, segregates DNA fragments based on size, leveraging electrophoresis principles (Sambrook and Russell, 2001). The gel matrix, composed of agarose, forms a porous network facilitating DNA migration. Gel concentration determines the size range of separated fragments, with higher concentrations suited for smaller fragments. Agarose powder is mixed with a buffer—usually. Tris-borate-EDTA (TBE) or Tris-acetate-EDTA (TAE)—and then heated upto 65 degree and poured onto a gel casting tray fitted with a comb to produce wells (Sriv
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Conference papers on the topic "Visibility buffer"

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Greene, Ned, Michael Kass, and Gavin Miller. "Hierarchical Z-buffer visibility." In the 20th annual conference. ACM Press, 1993. http://dx.doi.org/10.1145/166117.166147.

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Vemulapalli, Sri Sai Teja, Adibuzzaman Rahi, Spencer Dean Mullins, Hatem Wasfy, Hazim El-Mounayri, and Sohel Anwar. "IR Sensor Modeling in Unreal Engine for Autonomous Vehicle Applications." In ASME 2023 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2023. http://dx.doi.org/10.1115/imece2023-113001.

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Abstract As autonomous vehicle technologies continue to advance in the automotive industry, sensors such as Infra-Red (IR) cameras are becoming increasingly crucial during night-time and low visibility scenarios. However, developing and validating object detection and recognition algorithms with these sensors can be expensive and time-consuming. Therefore, simulation of autonomous vehicles with appropriate sensor models provides an efficient and cost-effective way of testing and validating such algorithms. The use of virtual environments for developing and validating sensor models offers exper
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Гонахчян, Вячеслав, and Vyacheslav Gonahchyan. "Adaptive Rendering of Dynamic 3D Scenes." In 29th International Conference on Computer Graphics, Image Processing and Computer Vision, Visualization Systems and the Virtual Environment GraphiCon'2019. Bryansk State Technical University, 2019. http://dx.doi.org/10.30987/graphicon-2019-1-32-36.

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Rendering of dynamic 3d scenes is challenging because it is impossible to perform preprocessing to merge and simplify polygonal models, to precalculate visibility information. The dynamic behavior of objects (visibility change, movement) is causing command buffers rebuilding and rejecting of invisible objects often does not result in performance gains. We propose an adaptive method for visualizing dynamic scenes, which selects the most efficient method for recording and using command buffers and the number of hardware occlusion queries. Proposed adaptive method is based on the performance mode
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