Landscape Visual Aesthetics Measurement, Assessment, and Improvement of Street Pedestrian Spaces in Mountainous Cities—Case Study on the Historic Downtown of Jinan, Shandong Province

Urban streets support citizens’ daily commuting and social and recreational activities. Streetscape is also a visual resource and an important part of urban landscape appearance. Serving as an important ecological base and natural components of urban spatial structure, mountains often determine a city’s spatial layout and landscape identity so as to promote mountaincity integration. The study focuses on the historic downtown of Jinan, a typical mountainous city, analyzes the landscape aesthetic visual characteristics of street pedestrian spaces, and measures their landscape visual aesthetic quality by using panoramic images; the research then evaluates the visibility of high-visual-aesthetic-quality urban mountainous landscape to urban streets; finally, based on the overall landscape visual aesthetic quality evaluation results of urban street pedestrian spaces, the paper proposes a series of optimization suggestions of the streets at different levels to improve the harmony with urban mountain landscapes. The study hopes to provide a reference for the creation of mountain–city-integrated urban landscapes, as well as the healthy and sustainable urban development.