Emergency map design scheme considering user visual processing

A technology of user vision and design scheme, applied in the field of cartography and geographic information system, can solve problems such as reducing user cognitive ability, and achieve the effect of improving visual saliency, reducing cognitive load, and reducing time cost

Pending Publication Date: 2021-01-05
LANZHOU JIAOTONG UNIV
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Problems solved by technology

Different from the conventional picture environment, the highly aroused emotion in the emergency situation will reduce the user's cognitive ability

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  • Emergency map design scheme considering user visual processing
  • Emergency map design scheme considering user visual processing
  • Emergency map design scheme considering user visual processing

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Embodiment Construction

[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0029] See attached figure 1 , the embodiment of the present invention discloses an emergency map design scheme that takes into account the user's visual processing, including:

[0030] 1. Emergency map cognitive model design

[0031] Step1: The present invention considers that the emergency situation is the collection of the geographical location, time, temperature, emergency subject, disaster disposal and other states where the disaster occurs. Emergency s...

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Abstract

The invention provides an emergency map design scheme considering user visual processing, and aims to solve the problem that the cognitive load affects the emergency map user map reading efficiency. According to the invention, a pressure source of a user cognitive load under an emergency situation is analyzed, and a processing process of human visual information in emergency map cognition is discussed; on the basis, an emergency map design principle considering user visual information processing is provided, and the map reading efficiency of the user in an emergency situation is improved by reducing the cognitive load of the user; and according to the emergency map design principle and method provided by the invention, a firefighting emergency rescue route map is designed, the designed emergency map is evaluated by using an Itti visual saliency calculation model, and the result shows that the map can quickly attract the visual attention of the user and stimulate the information processing process of the user from bottom to top, so that the cognitive load of the user can be effectively reduced in a high-pressure and high-risk emergency situation, and the user can quickly read images.

Description

technical field [0001] The invention belongs to the technical field of cartography and geographic information systems, and relates to an emergency map design scheme considering user visual processing. Background technique [0002] Because maps can provide users with intuitive and reliable geospatial information through visualization means, they play an increasingly important role in disaster prevention and relief and disaster disposal. At present, most of the research on emergency maps aims to improve the efficiency of mapping, and mainly focuses on the relevant steps of traditional mapping, such as the symbols, data, templates, tools, and mapping methods of mapping, and seldom considers the user's processing of emergency map load information. efficiency, causing some maps to be difficult for users to identify and understand in emergency situations. Due to the limited visual ability of human beings, if the information load of the emergency map is too large, it will increase...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F16/29G06T11/40
CPCG06T11/40G06F16/29
Inventor 杜萍刘涛李鼎凯张黎明闫浩文
Owner LANZHOU JIAOTONG UNIV
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