Study on Visual Complexity Using RMS Contrast Statistics in Streetscape Composition in Algeria and Japan

Kacha, Lemya; Matsumoto, Naoji; Cavalcante, André Borges; Mansouri, Ahmed

doi:10.3130/aija.78.625

Cited by 5 publications

(1 citation statement)

References 12 publications

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“…Maki (1988) discussed the collage-like surface in Japan and the ways that infrastructures such as signs and vending machines shape the image of the urban space. Kacha Epe Mansouri et al (2013) compared the streetscape composition in Algeria and Japan, revealed the positive correlations between visual complexity and streetscape images according to individuals' cognition. Ohno (2016) claimed that the Japanese city, no matter large or small, tends to resemble an archipelago-like structure with huge blocks and buildings as "island" and the other place nearby as "sea".…”

Section: Introductionmentioning

confidence: 99%

Examination of the Japanese urban form using front/back concept: a case study in Shibuya Commercial District

Dong

Zhu

Ohno

2021

Journal of Asian Architecture and Building Engineering

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This study attempts to interpret the urban form of the Japanese cities through the natural spatial reference of front and back which is deeply rooted in Japanese culture. The aim is to provide workable guidance for interpreting the urban form, and for creating diverse and active commercial spaces in Japan and beyond. Based on the physical built environment, this study proposes a parameter of interface which is defined by components taken from both surface of the building and the objects around. The interface is categorized into four types by the combination of main-component of front (F)/back (B) and sub-component of front (f)/back (b), namely Ff, Fb, Bf, and Bb. The approach is demonstrated in the typical commercial district of Shibuya, Tokyo. By analyzing the distributional features of the interface quantitatively, the scopes and attributes of front and back-side space are figured out. According to the distributional similarity of the interface, we sort the urban space into front-side space defined by Ff and back-side space defined by Fb, Bf, and Bb. Thereinto, the ambiguous back-side space defined by Fb and Bf supports diverse possibilities and highly involves in the everyday life of Japanese people.

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Section: Introductionmentioning

confidence: 99%

Examination of the Japanese urban form using front/back concept: a case study in Shibuya Commercial District

Dong

Zhu

Ohno

2021

Journal of Asian Architecture and Building Engineering

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The 5 Km/h streetscape: Role of the 5 Km/h architecture to identify streetscape - Case study: Kukusan Teknik

Amrullah

Fuad

2020

International Conference on Emerging Applications in Material Science and Technology: Iceamst 2020

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Measuring Streetscape Complexity Based on the Statistics of Local Contrast and Spatial Frequency

et al. 2014

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Streetscapes are basic urban elements which play a major role in the livability of a city. The visual complexity of streetscapes is known to influence how people behave in such built spaces. However, how and which characteristics of a visual scene influence our perception of complexity have yet to be fully understood. This study proposes a method to evaluate the complexity perceived in streetscapes based on the statistics of local contrast and spatial frequency. Here, 74 streetscape images from four cities, including daytime and nighttime scenes, were ranked for complexity by 40 participants. Image processing was then used to locally segment contrast and spatial frequency in the streetscapes. The statistics of these characteristics were extracted and later combined to form a single objective measure. The direct use of statistics revealed structural or morphological patterns in streetscapes related to the perception of complexity. Furthermore, in comparison to conventional measures of visual complexity, the proposed objective measure exhibits a higher correlation with the opinion of the participants. Also, the performance of this method is more robust regarding different time scenarios.

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Study on Visual Complexity Using RMS Contrast Statistics in Streetscape Composition in Algeria and Japan

Cited by 5 publications

References 12 publications

Examination of the Japanese urban form using front/back concept: a case study in Shibuya Commercial District

Examination of the Japanese urban form using front/back concept: a case study in Shibuya Commercial District

The 5 Km/h streetscape: Role of the 5 Km/h architecture to identify streetscape - Case study: Kukusan Teknik

Measuring Streetscape Complexity Based on the Statistics of Local Contrast and Spatial Frequency

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