Data analysis and extraction method based on Hikvision embedded security equipment
A technology for security equipment and data analysis, which is applied to data error detection, data recording, and electrical digital data processing in the direction of data redundancy in calculations, and can solve problems such as inability to distinguish file attributes and inability to restore lost files
Active Publication Date: 2020-04-10
XLY SALVATIONDATA TECHNOLOGY INC
View PDF3 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
[0015] Aiming at the deficiencies of the prior art, the present invention provides a data analysis and extraction method based on Haikang embedded security equipment, which can effectively solve the problem that the prior art cannot restore the lost files in the unused area of the monitoring machine; recovery, but it is also impossible to distinguish file attributes and other issues
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0051] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in further detail below with reference to the accompanying drawings and examples.
[0052] In view of the above-mentioned problems, the present invention proposes a data analysis and extraction method based on Hikvision embedded security equipment. This invention can not only efficiently extract normal video data, but also effectively restore abnormal data.
[0053]The following takes Hikvision embedded video surveillance equipment as an example to describe the present invention in detail, and first introduces the basic structure of Hikvision embedded video surveillance equipment when storing files, including the master boot record table (DBR), and records each The location of the main table entry. The main table entry includes the HIKBTREE table and its backup table, data block record table, and block file information table. Since the...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention discloses a data analysis and extraction method based on Hiklife embedded security protection equipment. The data analysis and extraction method belongs to the technical field of data recovery, and comprises the steps of: S1, offsetting 512 bytes at the beginning of a disk to form a DBR table, and analyzing the DBR table; S2, finding out an HIKBTREE table and a block file information table according to information in the DBR table, and analyzing the HIKBTREE table and the block file information table; S3, finding out a data block record table according to information of the HIKBTREE table; S4, finding out a data region according to the data block record table or file information, and analyzing the data region; S5, finding out a data region file header according to information in the data region, and analyzing the data region file header; S6, and combining the analyzed data according to a logical law, and extracting the data. The data analysis and extraction method has the beneficial effects that: the data analysis and extraction method can be used for extracting effective video data files in disk data, including normal data files as well as lost and deleted data files; and the data analysis and extraction method can be used for distinguishing normal, lost and deleted states of the video data files accurately.
Description
technical field [0001] The invention belongs to the field of data recovery, and in particular relates to a data analysis and extraction method based on Hikvision embedded security equipment. Background technique [0002] The vigorous development of the domestic economy has driven the development of many industries, and the security industry is one of the most obvious industries benefiting from the growth trend of economic development. Especially with the continuous development of video surveillance technology today, professional surveillance equipment such as high-definition surveillance video and multi-angle video technology have been effectively promoted and applied in various places in various industries. Video surveillance equipment has made a great contribution to the realization of social stability and harmony. [0003] The embedded system is a dedicated operating system that is completely embedded in the controlled device and designed for specific applications, and t...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): G11B20/10G11B20/18G06F11/14
CPCG06F11/1448G11B20/10009G11B20/1816G11B2220/2516
Inventor 梁效宁赵飞许超明
Owner XLY SALVATIONDATA TECHNOLOGY INC