نتایج جستجو برای: urban spatial disparities
تعداد نتایج: 540991 فیلتر نتایج به سال:
Abstract Urban parks are important public multifunctional space used for a wide range of activities. The usage levels of parks depend on the spatial characteristics of the spaces, where its forms and occupancies are referred as the usage-spatial relationship. Natural elements spatial complexity and park usability is of interest in this study. A photo - questionnaire was conducted among 296 of p...
Although many low-income urban areas are highly walkable by conventional measures such as population density or land use mix, chronic diseases related to lack of physical activity are more common among residents of these areas. Disparities in neighborhood conditions may make poor areas less attractive environments for walking, offsetting the advantages of density and land use mix. This study co...
introduction: in recent years spatial justice has gained special importance among planners and geographers. since the urban public services form the structure, shape and the nature of the physical, social and urban space, inequities in their distribution cause irreversible negative effects on the structure and the nature of city and social segregation of the people, and serious challenges in th...
BACKGROUND Utilization of spatial statistics and Geographic Information Systems (GIS) technologies remain underrepresented in the community-engagement literature, despite its potential role in informing community outreach efforts and in identifying populations enthusiastic to participate in biomedical and health research. Such techniques are capable not only of examining the epidemiological rel...
An unified approach for a simultaneous and cooperative estimation of defocus blur and spatial shifts
This paper presents an algorithm for a cooperative and simultaneous estimation of depth cues: defocus blur and spatial shifts (stereo disparities, two-dimensional (2D) motion, and/or zooming disparities). These cues are estimated from two images of the same scene acquired by a camera evolving in time and/or space and for which the intrinsic parameters are known. This algorithm is based on gener...
BACKGROUND Characterizing intra-urban variation in air quality is important for epidemiological investigation of health outcomes and disparities. To date, however, few studies have been designed to capture spatial variation during select hours of the day, or to examine the roles of meteorology and complex terrain in shaping intra-urban exposure gradients. METHODS We designed a spatial saturat...
Background and objective: The spatial structure of cities depends on the different and mutual relationships of all forces and factors in the city. These factors include market forces, activities, urban infrastructures and various services, which always have a complex and reciprocal relationship. In today's world, one of the basic challenges in cities is to create a balanced spatial structure th...
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