Page 23 - JCAU-6-1

Journal of Chinese
Architecture and Urbanism Spatial exploration through image semantic segmentation

Table 3. Proportion of various elements within historic (ii) Building
streets and modern streets
In Figure 15, the distribution trends between historic
Element Historic street Modern street streets and modern streets appear inconsistent and lack
Road 37.35% 26.14% distinct characteristics. Building distribution is generally
Building 25.14% 44.26% more pronounced in modern streets compared to historic
streets. As previously mentioned, this disparity might
Person 5.77% 6.90% be attributed to the higher density of residential and
Transportation 1.26% 1.55% commercial buildings in modern streets, whereas historic
Vegetation 16.78% 7.24% streets tend to feature sparser and shorter buildings. For
Wall 4.09% 4.86% a more visual representation, Figure 16 overlays building
Sky 7.32% 7.02% features on the actual site.
Traffic Sign 2.30% 2.03% (iii) Person
In Figure 17, the distribution of people in both historic streets
Table 4. Standard deviation of the distribution of each and modern streets follows similar waveforms. However,
element within historic streets and modern streets it can be observed that in historic streets, there is a peak
in the distribution of people near the entrance, gradually
Element Historic street Modern street decreasing afterward. On the other hand, in modern streets,
Road 109.55 112.96 the waveform is smoother, indicating a more uniform
Building 116.08 121.15 distribution of people. This situation suggests that the spatial
Person 81.25 75.94 layout of modern streets is relatively homogeneous and
Transportation 38.59 39.02 consistent, while historic streets exhibit a richer and more
Vegetation 116.05 78.07 diverse spatial arrangement. For a more visual representation,
Wall 52.84 65.16 Figure 18 overlays person features on the actual site.
Sky 68.30 70.08 (iv) Transportation
Traffic Sign 46.08 48.42 In Figure 19, the distribution of vehicles in both historic streets
and modern streets is generally consistent in both waveform
resulting in greater distribution disparities. Conversely, the and quantity. Additionally, the waveform closely aligns with
distribution of people in modern streets is relatively uniform. the road dimension, indicating a positive correlation between
Turning to vegetation distribution, modern streets exhibit a the proportion of road surface and the number of vehicles.
notably uniform pattern compared to historic streets. This This characteristic holds true for both historic and modern
phenomenon might be attributed to the deliberate design streets. For a more visual representation, Figure 20 overlays
of vegetation distribution in historic streets as part of scenic transportation features on the actual site.
spots, utilizing clustering and grouping techniques to (v) Vegetation
provide stronger guidance for visitors. In modern streets, In Figure 21, concerning vegetation distribution, historic
vegetation arrangement is relatively more even, typically streets exhibit significantly more fluctuation than modern
featuring evenly spaced solitary trees along the sidewalks, streets. Notably, in historic streets, there is a substantial
offering a continuous sensory experience. presence of vegetation near the entrances, with fewer

(b) Distribution of change rate plants in the midsections compared to modern streets. This
pattern is likely because vegetation in historic streets tend
Figures 13–28 depict the temporal distribution of various to cluster around the vicinity of landmarks. On the other
elements within historic and modern streets. hand, vegetation distribution in modern streets is relatively

(i) Road even, lacking significant fluctuations. This situation is
likely attributed to the even distribution of street trees. For
In Figure 13, the distribution trends in historic streets and a more visual representation, Figure 22 overlays vegetation
modern streets are observed to be consistent, exhibiting features on the actual site.
fluctuating changes during the walking process. It indicates
that both types of streets follow a pattern of enlarging their (vi) Wall
spatial features at the beginnings, ends, and midsections In Figure 23, both historic streets and modern streets
of the street. For a more visual representation, Figure 14 exhibit relatively gentle waveforms and lower quantities in
overlays road features on the actual site. the dimension of wall distribution. This condition indicates

Volume 6 Issue 1 (2024) 6 https://doi.org/10.36922/jcau.1736