查看更多>>摘要：Regular evaluation of street space is essential for achieving sustainable development and dynamic maintenance of historic areas.Although quantitative evaluations using street view imagery are precise and efficient,they often fall short in capturing pedestrians'visual experience,largely because images are collected from vehicles.Accordingly,this paper acquires street view imagery in the human visual field before and after the street space renovation by adjusting relevant parameters,and performs image semantic segmentation.From a pedestrian's viewpoint,the paper develops street space evaluation indicators across four dimensions:comfort,identity,diversity,and walkability.The mean square deviation method is applied to assign weights to these indicators,enabling a comprehensive evaluation of street space in historic areas.In addition to evaluating the renovation results,it proposes improvement suggestions that may provide insights into the evaluation practices of street space renovations in historic areas and contribute to improving street space quality.
查看更多>>摘要：For traditional villages,evaluating one's emotional perceptions on their environment is of great significance for promoting their sustain-able development.Through a case study on traditional villages in China,this research developed a quantitative approach for studying the influence of environmental elements on emotional perceptions in a wide scope.76 traditional villages across China were selected as cases and the online reviews on these villages were analyzed.Through natural language processing,the emotional perceptions expressed in these reviews were qualified,the en-vironmental elements mentioned in these reviews were extracted,and a lexicon of 14 environmental elements classified into the three categories of settlement,nature,and culture was developed.The correlation between environmental elements and emotional perceptions was then evaluated by measuring perception frequency and perception satisfaction.The in-depth analysis shows that people generally have a positive attitude toward tradi-tional villages.Settlement elements,such as"house"and"public building,"are more frequently perceived than natural and cultural elements,while the latter ones play a positive influence on the emotional perception of reviewers on traditional villages.The methods developed in this research can be used to support the policy-making of protecting and revitalizing traditional villages to balance heritage protection and village development.
查看更多>>摘要：Against the background of urban regeneration,"reducing quantity and improving quality"has been the core demand for planning and de-velopment in Beijing's central urban areas,which applies to the development of urban vitality spaces of the city as well.In the meantime,in the digital age,users'sentiment needs for urban spaces continuously increase,making it necessary to consider the sentiment connection between people and the built environment when creating vitality spaces.This study uses two typical examples of urban regeneration vitality spaces in Beijing,"Xidan The New"and"Beijing Fun,"and uses the sentiment connection theory that is based on multiple disciplines as a lever to introduce the thinking,technol-ogy,and methods of data science,focusing on the lack of attention to small-scale built environment features in vitality space research.The study inte-grates the from-top-to-bottom sentiment connection scale data,the qualitative research data,and the from-bottom-to-top big data sentiment analysis to explore the characteristics of small-scale vitality space that can stimulate positive sentiment experiences for users and to bring the discussion of spatial vitality back to the human scale and real three-dimensional spatial experience.In the end,this study summarizes the elements of small-scale spatial vitality and constructs evaluation indicators for sentiment connection to vitality spaces.The goal is to expand and refine the research scope of urban vitality spaces,update corresponding design and evaluation methods,and ensure that the spatial expression of"vitality"truly reflects liveliness and responds to human nature.
查看更多>>摘要：The Grand Canal in China,as a UNESCO World Heritage Site,has received great attention for the revitalization and utilization of its rich cultural heritage.Previous studies have predominantly focused on the tourism preferences and values of tangible and intangible resources while often neglecting a more holistic understanding of public perceptions.Analyzing public perceptions of tourist attractions helps clarify their evolving role in the cultural tourism market from the demand side.This study examined this issue based on complex network theory,social media reviews,and semantic network analysis.It identified hotspots in relevant reviews,examined the overall characteristics of the social cognitive image,and analyzed public perceptions through four types of semantic networks based on natural language processing.This study demonstrates a novel approach to policy implication in the regeneration and utilization of cultural heritage.
查看更多>>摘要：The comprehensive development of aging-friendly communities has become a significant strategy for addressing the problems brought about by the accelerated aging of population,for which the design of the neighborhood environment is a pivotal aspect.Visual cognition,as the pri-mary means by which humans perceive the external environment,has profound impacts on the environmental preferences and outdoor behaviors of older adults.This paper adopts a visual cognition perspective to explore the key elements and main characteristics of an aging-friendly neighborhood environment.Based on empirical studies conducted in five urban neighborhoods in different Chinese cities using a multi-methodological approach that encompasses auditing,questionnaire,interview,statistical analysis,and textual analysis,the paper examines the principal environmental ele-ments contributing to the visual cognitive preferences of older adults at both individual and neighborhood levels.It proposes suggestions for design-ing aging-friendly neighborhood environment from the visual cognition perspective,which may provide a reference for the development of aging-friendly neighborhoods.
查看更多>>摘要：Comprehensive parks offer a wide range of functions and serve diverse populations.Assessing their accessibility based on multiple travel modes and real-time travel data is of great importance for promoting the rational distribution and efficient service of these parks.By using real-time travel data obtained through the API(Application Programming Interface)of Gaode Maps and applying the Ga2SFCA(Gaussian Two-Step Floating Catchment Area)method,this study explores the accessibility of comprehensive parks in the central urban area of Suzhou city under multiple travel modes.The findings are as follows.① Walking accessibility shows significant improvement under the 15-minute threshold compared to the 10-minute threshold scenario;cycling accessibility increases synchronically with the time threshold,maintaining relatively stable travel costs;driving is the preferred mode for long-duration and long-distance trips;whereas the accessibility of bus travel exhibits substantial spatial variation.② The overall accessibility within the studied time thresholds shows that driving is better than cycling,followed by bus travel and walking.Especially for trips within a 4 km range between communities and comprehensive parks,cycling accessibility surpasses that of buses.③ The high-value distribution of accessibility to comprehensive parks,as measured under walking,cycling,and driving modes,is relatively balanced,while the overall accessibil-ity coverage of bus travel is relatively low.This study reveals the differences and characteristics of comprehensive park accessibility under multiple travel modes,providing insights for reassessing the existing service radius indicator and offering a theoretical basis for optimizing the allocation of parks based on population distribution.
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