Remote intelligent evidence obtaining system and method based on mobile internet

A mobile Internet and remote technology, applied in the field of electronic forensics, to achieve the effect of ensuring security and confidentiality, removing environmental noise, and a large amount of information

Inactive Publication Date: 2020-04-24
欣诚信息技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Therefore, in the process of preparing evidence materials to be presented to the court, it is easy to make mistakes in including confidential digital information that is n

Method used

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  • Remote intelligent evidence obtaining system and method based on mobile internet
  • Remote intelligent evidence obtaining system and method based on mobile internet
  • Remote intelligent evidence obtaining system and method based on mobile internet

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] like figure 1 A remote intelligent forensics system based on the mobile Internet, including: a forensics terminal, a transmission terminal and a cloud storage terminal; the forensics terminal is used for image and voice forensics, obtains forensics information, and transmits the forensics information to the transmission terminal; the transmission terminal , used to encrypt the evidence collection information, and send the encrypted evidence collection information to the cloud storage terminal; the cloud storage terminal is used to store the received encrypted evidence collection information; the evidence collection terminal includes: an image forensics unit , a voice forensics unit, a display and a processor; the processor is signal-connected to an image forensics unit, a display and a voice forensics unit respectively; the method for performing image forensics by the image forensics unit performs the following steps: obtaining continuous sequence pictures of the forensi...

Embodiment 2

[0028] On the basis of the previous embodiment, the voice forensics method performed by the voice forensics unit performs the following steps: obtain continuous voice information of the forensics target; calculate the array voice signal according to the output power spectrum and the average power spectrum of the voice signal acquired Maximum sub-band power ratio; according to preset judgment conditions, use the maximum sub-band power ratio and the current detection threshold to judge the state of the acquired voice signal, and perform power spectrum denoising on the voice signal; wherein, the output power spectrum The calculation formula is: Among them, k is the frequency point number; λ is the short time frame number; The power spectrum of the beam output signal of the current voice frame of the array when the frequency point number is b and the short-time frame number is λ; a x is the first regression coefficient; l 1 is the number of preset frequency points; among the...

Embodiment 3

[0031] On the basis of the previous embodiment, the transmission end includes: an information encoding unit, an information encryption unit, and an information transmission unit; the information encoding unit is used to encode evidence information; the information encryption unit is used to encode evidence The information is encrypted; the information transmission unit is used to send the encrypted evidence collection information to the cloud storage terminal; the method for encoding the evidence collection information by the information encoding unit performs the following steps: dividing the evidence collection information into several data blocks; Transforming the data block into a transform coefficient data block; converting the transform coefficient data block into a quantized coefficient data block; dividing the quantized coefficient data block into a predetermined number of sub-data blocks; classifying each sub-data block of the quantized coefficient into only a zero sub...

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Abstract

The invention belongs to the technical field of mutual inductors, and particularly relates to a remote intelligent evidence obtaining system and method based on the mobile Internet, and the system comprises an evidence obtaining end, a transmission end, and a cloud storage end. The evidence obtaining end is used for obtaining evidences of images and voices to obtain evidence obtaining informationand transmitting the evidence obtaining information to the transmission end; the transmission end is used for encrypting the evidence obtaining information and sending the encrypted evidence obtaininginformation to the cloud storage end; the cloud storage end is used for storing the received encrypted evidence obtaining information; the evidence obtaining end comprises an image evidence obtainingunit, a voice evidence obtaining unit, a display and a processor; the processor is in signal connection with the image evidence obtaining unit, the display and the voice evidence obtaining unit. Theremote intelligent evidence obtaining system and method have the advantages of high safety, good confidentiality and good evidence obtaining integrity.

Description

technical field [0001] The invention belongs to the technical field of electronic evidence collection, and in particular relates to a remote intelligent evidence collection system and method based on the mobile Internet. Background technique [0002] In the past, when computer-related crimes or legal disputes such as illegal access or leakage of confidential information occurred, it was proposed to collect and analyze the equipment, data, or electronic records required for the investigation or search of the cause, and to clarify the law. The so-called forensic device or technology of evidence on the above. [0003] Especially in civil lawsuits in the United States, due to the need for electronic evidence to be disclosed, either the plaintiff or the defendant in the lawsuit needs to bear the obligation to submit all relevant digital information as evidence, so the digital information recorded in the computer or server must be presented as evidence. [0004] On the other han...

Claims

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Application Information

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IPC IPC(8): H04N1/00H04N1/44G06Q50/18G06Q50/26
CPCH04N1/00095H04N1/00119H04N1/44G06Q50/18G06Q50/26
Inventor 师国华张茂杰李乐星赵鹏
Owner 欣诚信息技术有限公司
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