33 results about "Rural settlement" patented technology

The invention discloses a rural resident point information extraction method based on a high-resolution remote-sensing image. The rural resident point information extraction method comprises the following steps: firstly, carrying out Canny edge detection on the high-resolution remote-sensing image, and obtaining a vector edge line through chain code tracking; then, carrying out Douglas-Peucker abbreviation on a vector edge to extract straight-line segments, and rejecting shorter straight-line segments and keeping longer straight-line segments according to length constraints; secondly, according to adjacency relation between the straight-line segments and included angle constraints, extracting straight angle points, calculating the density characteristics of the straight angle points within a certain space region range, and generating a straight angle point density characteristic image, wherein the characteristic image and the input high-resolution remote-sensing image have same spatial range and spatial resolution; and finally, carrying out binarization processing on the density characteristic image by utilizing Otsu, extracting rural resident point vector pattern spots through connected component analysis so as to extract rural resident point information. Precision and effects are improved, and robustness and universality are better.

The invention discloses a rural settlement concentrated residential area site selection and optimization method based on GIS. The method comprises the following steps: firstly acquiring a target region space and attribute data based on the GIS, constructing an information amount model to perform rural settlement concentrated residence area land utilization suitability evaluation, superposing the land utilization planning permissible construction area to acquire a candidate site, setting the area size threshold to perform screening, and then optimizing the candidate site by using a P-median problem model. By utilizing the GIS technology, the information amount model is constructed, the rural settlement land utilization suitability evaluation and site selection are quantitatively performed,the P-median problem model in the integer linear programming is used for performing the location optimization, and the site selection demand is flexibly set, the site selection result is positioned tothe parcel; and the candidate site is based on the actual road network, and takes the daily work demand of the farmer after relocation into consideration, so that the distance cost is the minimum, and the method has the advantages of being high in precision and strong in operability.

The invention discloses an active and passive remote sensing data-based rural residential land extraction method. The method comprises the following steps: (1) acquiring data and preprocessing; (2) calculating a normalized differential vegetation index; (3) calculating a normalized difference build-up index; (4) calculating a POLSAR (Polarimetric Synthetic Aperture Radar) dihedral angle scattering component; (5) performing maximum likelihood classification. According to the method, the optical remote sensing and microwave remote sensing information are comprehensively applied, the difference between ground and an object can be more fully embodied through supplementation of advantages and disadvantages of the two kinds of remote sensing information, and the accuracy for rural residential land extraction is greatly improved.

The invention relates to a rural network node radiation domain-oriented rural residential area renovation zoning method. The renovation zoning method comprises the following steps: firstly, establishing a rural social economic network on the basis of a radiation model, then extracting the network centrality, constructing a rural residual area land demand-oriented network node evaluation index, determining a network node radiation domain through generating a rural network weighing Voronoi map, calculating the spatial quantitative relation between the network node radiation domain and rural residential area to determine a rural system and a zoning level, thus forming a rural residential area renovation zoning result through combining the land suitability evaluation of the rural residential area. The method comprehensively considers the practical space action range of rural nodes in the renovation of the rural residential area, integrates the rural social economic network relation into the weighing Voronoi map, thus breaking through the bound limit of the traditional administrative region, solving the deficiency of the current zoning social relevance and space directivity, and improving the renovation zoning scientificity and operability of the rural residential area.

The invention discloses a double-layer domain-oriented intelligent optimal configuration method for rural residential areas. The intelligent optimal configuration method for rural residential areas provided by the invention firstly uses a radiation model to construct a village-town connection network, and generates a village-town weighted Voronoi diagram based on the evaluation of village-town network characteristics. , to identify the central village (town) domain and grass-roots village domain in the spatial planning of the village and town system, and to construct a dual-domain-oriented rural The particle swarm optimization model of residential areas, through the parallel search of particles in the two-layer domain space of villages and towns and the solution of optimization problems, generates an optimal configuration plan for rural residential areas. The invention solves the technical problems of insufficient spatial orientation and difficult coordination of multi-objectives in current rural residential planning, and improves the scientificity and rationality of rural residential planning.

The invention provides a spatial evolution analysis method and device for rural settlement, equipment and a storage medium, and relates to the technical field of environmental science and urban and rural planning. The method comprises the following steps: acquiring land utilization data in a plurality of village and town units in a preset geographic range, and performing time-phased sampling to obtain the land utilization data of each village and town unit in a plurality of time periods; clustering the land utilization data of each village and town unit in each time period, and determining thespace type of each village and town unit in each time period; and according to the space types of the plurality of village and town units in the plurality of time periods, constructing a space evolution sequence of each village and town unit. According to the method, the similarity and difference characteristics between each town individual and the development track trend can be reflected from the spatial evolution rule according to the constructed spatial evolution sequence of each town unit, so that reference is provided for optimizing town settlement land utilization configuration.

The invention belongs to the related technical field of country planning, and discloses a rural settlement classification method and system, and the method comprises the steps of obtaining the rurual geographic information data, and carrying out the preprocessing of the geographic information data, and the geographic information data comprising the vector data of a rural settlement patch, a water body, a road, and an administrative boundary; calculating characteristic parameters of rural settlement based on the geographic information data, and the characteristic parameters comprising scale distribution characteristics, spatial distribution characteristics and morphological distribution characteristics; comparing the feature morphological parameters with corresponding preset thresholds to obtain comparison results, and classifying the comparison results to obtain rural settlement classification. According to the invention, the rural settlement distribution condition is quantized and digitized, then the rural settlement is classified according to the digitized data features, classification is more scientific and accurate, detailed analysis can be performed, and the rationality of rural settlement classification is remarkably improved.

The invention is subsidized by a Public Welfare industry scientific research special project (201411006) of Ministry of Land and Resources to complete. The invention discloses a land resource economical utilization and environmental friendliness integrated evaluation method. The land resource economical utilization and environmental friendliness integrated evaluation method includes the steps: according to urban construction land economical utilization, urban construction land environmental friendliness, rural residential area land economical utilization, rural residential area land utilization environmental friendliness, agricultural land economical utilization, and agricultural land utilization environmental friendliness, respectively establishing evaluation index systems; by means of a multi-factor weighting comprehensive evaluation index system, performing weighted sum on the weight and the standard value of each index, and respectively calculating the urban construction economical utilization degree value, the urban construction land environmental friendliness degree value, the rural residential area land economical utilization degree value, the rural residential area land utilization environmental friendliness degree value, the agricultural land economical utilization degree value, and the agricultural land utilization environmental friendliness degree value of the evaluation units; and obtaining the land economical utilization and environmental friendliness degree of the respective evaluation unit.

The invention provides a rural settlement evolution prediction method and device, equipment and a storage medium, and belongs to the technical field of urban and rural planning. The method comprises the steps of obtaining space-time attribute data of a to-be-studied target rural settlement unit; determining a driving factor meeting a preset condition as a target driving factor of the target ruralsettlement unit from a plurality of potential driving factors of the target rural settlement unit; according to the target driving factor and the area change value of the target rural settlement unit,determining the size of the effect of the target driving factor on the area change of the target rural settlement unit under the multiple pieces of time-space information; obtaining prediction information of the target rural settlement unit according to the action size; and classifying the target rural settlement units according to the prediction information to determine evolution types of the target rural settlement units. According to the invention, the accuracy of rural settlement unit evolution type prediction can be improved, and rural settlement unit evolution prediction in a multi-objective planning scene is realized.

The invention discloses a block type rural settlement place remote sensing fast labeling method. The method comprises the steps of obtaining a remote sensing image to be labeled, and dividing the remote sensing image into multiple image blocks; primarily labeling the image blocks as settlement place image blocks and non-settlement place image blocks according to a set constraint condition; obtaining the multiple primarily labeled non-settlement place image blocks as a negative sample and one manually labeled image block as a positive sample, and adopting a nearest neighbor classification method to choose the image blocks of a preset number as the positive sample; adopting the positive sample, the negative sample and multiple characteristics and adopting a k-nearest neighbor classification method to gradually remove the non-settlement place image blocks in the settlement place image blocks; gathering the rural settlement place image blocks which have the adjacent rural settlement place image blocks in space together to form multiple agminated settlement place image blocks, judging whether the number of the rural settlement place image blocks in the agminated settlement place image blocks is smaller than a set value or not, if the number is smaller than the set value, adding the agminated settlement place image blocks into the negative sample, or, outputting the corresponding agminated settlement place image blocks.

The invention belongs to the technical field of rural land reclamation engineering, and discloses a progressive rural settlement reclamation zoning method considering multi-dimensional characteristics. A gravity model, a land utilization dynamic attitude model and a space accessibility analysis technology are coupled, multi-dimensional characteristics of rural human settlement interaction dimension, settlement space-time change dimension and space accessibility dimension are comprehensively measured, rural settlement is renovated and partitioned by adopting a progressive partitioning technology, and rapid identification of rural settlement renovating partitions with different scales is realized. According to the method, the problems of data dependence and single scale of a current rural settlement regulation partitioning method are solved, the method does not depend on a traditional evaluation index system, rural settlement regulation partitioning can be rapidly and scientifically carried out, and the method has universality and a good application prospect.

The invention provides a gathering area identification and division method for rural domestic sewage treatment, and the method mainly comprises the steps: collecting territorial geographic data, geographic space data cloud data, rural population data and remote sensing image data; adopting ArcGIS software to process territorial and geographic data to obtain matched administrative boundaries (villages, towns, districts, counties and cities) and rural residential area distribution, generating DEM data and topographic and geomorphic data through geographic space data cloud data, and then coupling the DEM data, the topographic and geomorphic data and rural population data, establishing a rural residential area-rural gathering area-environment sensitive area space corresponding relation, and verifying a result by using a remote sensing image and adopting an on-site verification mode so as to finally obtain resident gathering area distribution conditions of different rural areas. The method can scientifically and efficiently identify the spatial distribution characteristics of the rural residence area, can support rural domestic sewage treatment, and can be used for improving the quality of the rural living environment.

The invention discloses a rural garbage deep-buried bucket layout optimization method based on GIS network analysis. Firstly, the road, the rural residential area and the candidate garbage deep burying bucket location data of the target area are obtained based on GIS; then, under certain constraint conditions, a layout optimization model of a deep-buried garbage barrel is use for layout optimization analysis, the coverage and service rate of deep buried barrels to rural residential areas are counted, whether the two indexes meet the requirements is judged, if not, the candidate types and selection quantity of deep buried barrels are reset, and the optimization model of the layout of deep buried barrels is operated until the coverage and service rate meet the requirements; then the number of garbage deep burial barrels is determined to be the least, the candidate types and quantities of garbage deep burial barrels are reset, the garbage deep burial barrels layout optimization model is continued to run until the number of garbage deep burial barrels is satisfied to be the least, and the final garbage deep burial barrels layout optimization scheme is outputted. The method has the advantages of high precision, strong operability, low layout cost of the garbage deep-buried barrel, and the like.

The invention discloses an urban and rural settlement space system pedigree construction method and an interactive display system. The method comprises the following steps: inputting urban and rural settlement space system data and constructing an information base; extracting urban and rural settlement space key factor feature information; constructing an urban and rural settlement space system pedigree through key factor hierarchical clustering; and building an urban and rural settlement space system pedigree information platform, inputting a target urban and rural settlement system, automatically calculating characteristic factors of the target urban and rural settlement system, identifying the type of the target urban and rural settlement system, and realizing planning guidance of the urban and rural settlement space system. According to the method, key features of the urban and rural settlement space system can be systematically described, and an efficient and scientific path method is provided for constructing an urban and rural settlement space system pedigree capable of guiding urban and rural settlement system planning based on respective clustering of three hierarchical feature measurement indexes and superposition and screening of clustering results.

The invention relates to an urban and rural settlement traditional texture intelligent auxiliary recognition method and system, a terminal and a storage medium, and belongs to the field of urban and rural settlement traditional texture management, and the urban and rural settlement traditional texture intelligent auxiliary recognition method comprises the following steps: obtaining region image information of a target recognition region and a preset region division rule; calling a texture recognition model which is established in advance; recognizing the regional image by using a texture recognition model to obtain a traditional texture regional image in the regional image; and dividing the traditional texture region image according to a region division rule. The method has the effect of improving the recognition convenience of the traditional texture of the urban and rural settlement heritage.

The embodiment of the invention discloses a land reclamation system. A reclamation function type partitioning module is used for determining a type combination area by adopting a factor combination method on the basis of combination of land reclamation function partitioning, agricultural land reclamation potential and rural residential area reclamation potential; the factor combination method is a method for combining various functional areas and various potentials as factors; the reclamation function and potential matching module is used for judging a land reclamation potential type under a land reclamation dominant function when the combination types of the functions and the potentials in the type combination area are not matched so as to form a matching relationship between the land reclamation function and the land reclamation potential; and the land reclamation direction module is used for outputting a land reclamation direction according to a result of the reclamation function and potential matching module. On the basis of research on land reclamation function division and potential, function type division of land reclamation and a specific land reclamation direction are provided, and the land utilization rate is increased.

The invention discloses a rural residential area regulation and grading method based on space suitability and internal characteristics. The method comprises the steps of collecting rural residential areas and peasant household basic data; constructing a rural residential point renovation space suitability internal characteristic grading regulation and control evaluation index system; constructinga regulation space suitability intrinsic characteristic grading regulation and control evaluation model; calculating rural residential area regulation and control grading by using a GIS; and determining and outputting a rural residential area regulation and control grading result. Based on GIS technology, the invention quantitatively analyzes the willingness of farmers, individual differences of rural residential areas and spatial suitability characteristics, constructs a rural residential area grading regulation model, comprehensively considers the spatial suitability of the rural residentialareas and the internal characteristics of the rural residential areas, enables the regulation grading to be specific to the residential areas, achieves the precise grading of the rural residential area regulation, and improves the regulation efficiency. The purpose of sustainable development of rural space is achieved.

The invention discloses an urban and rural settlement type automatic identification method and system based on a spatial pedigree. The method comprises the following steps: acquiring urban and rural settlement data and constructing a basic information platform; by loading an urban and rural settlement spatial feature index calculation module, identifying urban and rural settlement spatial features, and forming an urban and rural settlement spatial feature information base; carrying out urban and rural settlement space key feature information extraction based on factor analysis; performing clustering according to the key feature information of the urban and rural settlement space to obtain an urban and rural settlement space type, and calculating a hierarchical sequence and a value domain range of the key feature information to construct an urban and rural settlement space pedigree; and constructing an urban and rural settlement spatial pedigree information platform, and inputting target urban and rural settlement geographic information data to realize automatic identification of urban and rural settlement types. The method solves the problems of insufficient index consideration, insufficient precision and low efficiency of a traditional urban and rural settlement type identification method, improves the precision and effectiveness of urban and rural settlement type identification, and improves the working efficiency of a planner.

The invention provides a rural residential area social network modeling method based on public service facility configuration. The rural residential area social network modeling method comprises the following steps: 1) acquiring and integrating basic data of a target area; and 2) based on demands of people for education, medical treatment, entertainment and shopping facilities in daily life, expressing daily social relationships among the rural residential areas, and generating a daily social contact network of the rural residential areas; and 3) describing network features based on the rural residential area social network, and obtaining key nodes and isolated nodes in the rural residential area social network through centrality and social status analysis. Compared with the prior art, the invention has the advantages that interaction behaviors in daily life of people are reflected to a certain extent, meanwhile, the function of rural residences in the whole area can be predicted from the macroscopic level, network construction is closer to real daily social contact of people, and evaluation on the residences is more accurate.