CN206420755U - Integrated trace bloodstains are imaged and left time series analysis device - Google Patents
Integrated trace bloodstains are imaged and left time series analysis device Download PDFInfo
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- CN206420755U CN206420755U CN201720002180.6U CN201720002180U CN206420755U CN 206420755 U CN206420755 U CN 206420755U CN 201720002180 U CN201720002180 U CN 201720002180U CN 206420755 U CN206420755 U CN 206420755U
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- mobile phone
- casing
- blood stain
- bloodstains
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Abstract
Integrated trace bloodstains, which are imaged and leave time series analysis device, is related to science and technology concerning criminal matters.Including casing, illuminating lamp, mobile phone fixed column, mobile phone, blood stain placer, casing is built with formation of foam bubble chamber, illuminating lamp is annular LED bulb, it is fixed on the top of casing, mobile phone fixed column is fixed on the center of the annular LED bulb in casing, case top is provided with aperture and fixed mobile phone, center of the blood stain placer in casing body bottom.The imaging aperture of case top is 1 with the ratio of camera bellows depth:15‑1:20.The colour temperature of LED bulb is 6500k.Mobile phone camera is more than 12,000,000 pixels.Trace bloodstains can be carried out in scene of a crime in real time, quickly analyzing, it is simultaneously less demanding to experiment condition, basic unit legal medical expert possesses a portable field blood stain time apparatus for predicting, you can carries out live blood stain and carries out time deduction, and good impetus is played to quick, efficient fight crime.
Description
Technical field
The utility model is related to science and technology concerning criminal matters, and specifically integrated trace bloodstains are imaged and left time series analysis
Device.
Background technology
Blood stain is left the deduction that the time is surely the crime time really and played an important role.The formation time of blood stain can be helped
Help investigator to obtain more case relevant informations, and exclude with the unrelated bloodstain of case.
Existing blood leaves the main progress in terms of the physicochemical property and chemical composition two of blood stain of time series analysis method：
Live blood stain is extracted, RNA analysis, high performance liquid spectrum, near-infrared spectra, uv-vis spectra, reflection is then carried out
Spectrum and high spectrum image etc..But the analysis of chemical composition is limited by experiment condition.
The chemical analysis method that existing blood leaves the time can not be implemented in conventional field.And existing blood stain into
As again system can not be analyzed and inferred to the formation time of blood stain.At present yet there are no on blood leave time reckoning dress
The report put.
The content of the invention
The purpose of this utility model is to provide a kind of integrated trace bloodstains imaging and leaves time series analysis device.It can be with
The imaging of blood stain is carried out simultaneously and forms time deduction；It is simple in construction, easy to use, using not limited by place.
Concrete technical scheme is as follows：It includes casing, illuminating lamp, mobile phone fixed column, mobile phone, blood stain placer, its feature
It is：Casing is built with formation of foam bubble chamber, and illuminating lamp is annular LED bulb, is fixed on the top of casing 1, and mobile phone is fixed
Post is fixed on the center of the annular LED bulb in casing, and case top is provided with aperture and fixed mobile phone, and blood stain placer is in casing
The center of bottom.The imaging aperture of casing top is 1 with the ratio of camera bellows depth:15-1:20.The colour temperature of LED bulb is
6500k.Mobile phone camera is more than 12,000,000 pixels.
The utility model has the advantages that：Trace bloodstains can be carried out in scene of a crime in real time, quickly analyzing, while to reality
Test condition less demanding, basic unit legal medical expert possesses a portable field blood stain time apparatus for predicting, you can carry out live blood stain and enter
The row time infers, good impetus is played to quick, efficient fight crime.
Brief description of the drawings：
Fig. 1 is the utility model structural representation.
Fig. 2 is mobile terminal analysis system block diagram.
In figure：1 is casing, and 2 be annular LED bulb, and 3 be mobile phone fixed column, and 4 be blood stain placer, and 5 be mobile phone.
Embodiment
Casing 1 is annular LED bulb built with formation of foam bubble chamber, illuminating lamp 2, is fixed on the top of casing 1；Hand
The fixed column of machine 5 is fixed on the center of the annular LED bulb in casing, center of the blood stain placer in casing body bottom.Chest 1 is pushed up
The imaging aperture in portion is that ratio is 1 with the ratio of camera bellows depth:15-1:20..
We are connected to imaging system and data processing and computing system on the top of camera bellows.By by the blood stain of standardization
Photo carries out mathematical analysis, extracts actual parameter, and calculate according to formula fitting.
We determine imaging aperture and the optimal proportion of camera bellows depth by testing repeatedly, 1:15-1:20 ratio models
Enclose interior optimal.The relevant issues such as illuminating projection, image-capture field can be effectively eliminated in the range of this.
The size of foam casing 1 is advisable in 27.5cm × 17cm × 17cm, can adjust as needed.Built-in cold annular
LED lamp bulbs are produced using Foshan, power 12w, colour temperature 6500k.Case top is taken the photograph provided with aperture and fixed mobile phone, mobile phone
As head（12000000 pixels）Shot through aperture.
The illumination component that the present invention is used be annular LED bulb there is provided ring illumination light beam, its width can ensure to cover
The whole width of lid blood stain and cassette bottom, its length can ensure to cover the whole length of blood stain and cassette bottom.If only using linear
Lighting lamp group, then can form shade, the extraction of affecting parameters in the backlight side of blood stain.
Portable field blood stain time apparatus for predicting is fixed on above target blood stain, and it is portable existing to be in target blood stain
Field blood stain time apparatus for predicting bottom center position.System chassis is placed in the surface in blood stain region, System Computer when system works
Case is blinded by most of ambient light and illuminated for the interference of blood stain, coordinates the use of annular LED light source so that image-forming condition is relatively passed
System method is greatly improved, and image, signal to noise ratio obtain effective lifting.
Portable field blood stain time apparatus for predicting carries smart mobile phone and carries out extraction of taking pictures.
Smart mobile phone carries " the blood stain elapsed time based on smart mobile phone intelligently infers expert decision-making accessory system " software
Intelligent analysis is carried out to extracted target blood stain image, by extracting the critical parameter information in blood stain photo, according to program
Default equation is fitted and analyzed, realize it is objective, rapidly assistant analysis infer the live blood stain elapsed time.
Software is by the way that the blood stain photo of standardization is carried out into mathematical analysis, actual parameter is extracted, and according to formula fitting
Calculate.And the above-described live blood stain elapsed time deduction of Android system mobile phone progress, the mesh according to the present invention can be implanted into
Can work out.The software systems can be carried out voluntarily using blood stain central point as the center of circle to captured blood stain image, central point
Seven pixels automatically extract for the circle progress image of radius and substitute into pre-set programs in addition, while being manually entered corresponding blood stain
The relevant informations such as blood volume, illumination condition, scene temperature and blood stain carrier.Afterwards, this system data above can be fitted,
Analysis, and fast and accurately provide blood stain elapsed time inferred results.
The automatic receiving terminal view data of system and the base case information process of user's input are as follows；
1st, case is filed and procedure treatment is carried out to the image of reception by " blood stain pixel extraction machine " and carried
Take related blood stain parameter；
2nd, by calling " blood stain elapsed time analysis model distributor " to carry out Model Matching；
3rd, " blood stain elapsed time analysis model " is called to carry out data analysis, while preserving analyze data；
4th, result in 4 is substituted into " blood stain time calculator " finally to draw the blood stain elapsed time automatically, preserves analysis knot
Really；
5th, result in 5 is finally shown in terminal device.
Claims (4)
1. integrated trace bloodstains imaging and leave time series analysis device, it include casing, illuminating lamp, mobile phone, mobile phone fixed column,
Blood stain placer, it is characterised in that：It is characterized in that：Casing（1）Built with formation of foam bubble chamber, illuminating lamp（2）It is annular
LED bulbs, are fixed on casing（1）Top, mobile phone fixed column is fixed on the center of the annular LED bulb in casing, chest top
Portion is provided with aperture and fixed mobile phone, and blood stain placer is at the center of bottom half.
2. integrated trace bloodstains according to claim 1 are imaged and left time series analysis device, it is characterised in that：Casing
（1）The imaging aperture at top is 1 with the ratio of camera bellows depth:15-1:20.
3. integrated trace bloodstains according to claim 1 are imaged and left time series analysis device, it is characterised in that：LED
The colour temperature of bulb is 6500k.
4. integrated trace bloodstains according to claim 1 are imaged and left time series analysis device, it is characterised in that：Mobile phone
（5）Camera to be more than 12,000,000 pixels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720002180.6U CN206420755U (en) | 2017-01-03 | 2017-01-03 | Integrated trace bloodstains are imaged and left time series analysis device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720002180.6U CN206420755U (en) | 2017-01-03 | 2017-01-03 | Integrated trace bloodstains are imaged and left time series analysis device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206420755U true CN206420755U (en) | 2017-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720002180.6U Active CN206420755U (en) | 2017-01-03 | 2017-01-03 | Integrated trace bloodstains are imaged and left time series analysis device |
Country Status (1)
| Country | Link |
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| CN (1) | CN206420755U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769869A (en) * | 2017-01-03 | 2017-05-31 | 中国刑事警察学院 | Integrated trace bloodstains are imaged and leave time series analysis device |
-
2017
- 2017-01-03 CN CN201720002180.6U patent/CN206420755U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106769869A (en) * | 2017-01-03 | 2017-05-31 | 中国刑事警察学院 | Integrated trace bloodstains are imaged and leave time series analysis device |
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