CN103105385B - Method for spectral fluorescence detection and three-dimensional rotating microscope testing of sequence of crossed writings and seal stamps - Google Patents
Method for spectral fluorescence detection and three-dimensional rotating microscope testing of sequence of crossed writings and seal stamps Download PDFInfo
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- CN103105385B CN103105385B CN201310033791.3A CN201310033791A CN103105385B CN 103105385 B CN103105385 B CN 103105385B CN 201310033791 A CN201310033791 A CN 201310033791A CN 103105385 B CN103105385 B CN 103105385B
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Abstract
The invention relates to a method for spectral fluorescence detection and three-dimensional rotating microscope testing of sequence of crossed writings and seal stamps, which is mainly used for solving the problems that fluorescence-excited spectrum detection cannot be performed on a specific region, the depth of field of an image is large, the three-dimensional effect is not realized, and the effect of testing the sequence of the crossed writings and the seal stamps cannot be provided in the prior art. The method is realized through the following steps: a) exciting fluorescence for spectrum detection; b) detecting a spectrum through a spectrum detection device; c) utilizing the detection of a high-definition three-dimensional rotating microscope to test the sequence of the crossed writings and the seal stamps; and d) taking a picture for storage, comparison, contrast, labeling and the like after the above steps are completed. The illustrative picture can be stored in a computer or be printed and output for filing. According to the method disclosed by the invention, a microscopic magnifying lens is utilized, thereby realizing equal-size observation or equal-proportion amplification observation of an original file test sample, positioning a region with the need of special observation and preventing a video observation system from being incapable of providing a video image with the effect of testing the sequence of the crossed writings and the seal stamps as an integrated video camera is adopted as a video acquisition device.
Description
Technical field
The present invention relates to a kind of spectrum fluoroscopic examination and 3 D stereo rotating microscope red and black sequence check method, exactly a kind ofly utilize the fluorescence reaction of multiband light source excitation checking file and shown clearly by micro magnifier head height, and realize light spectrum detecting apparatus and synchronously detect fluorescence excitation spectrum, 3 D stereo is adopted to rotate microexamination lens detecting red and black sequential, gesticulate the method for sequential write, belong to inspection of document applied technical field.
Background technology
The optical system lens that current inspection of document method many employings integrated camera is observed as video, utilizes single light source to excite multiple wave band checking file to observe fluorescence reaction.Its vision signal is simulating signal, uses spectrophotometer to carry out fluorescent spectroscopy.Defect is the spectral detection cannot carrying out fluorescence excitation to specific region.Document check meter video observing system is owing to adopting integrated camera as video capture device, and image depth is large, without stereoeffect, cannot provide the video image of red and black sequence check effect.Need by other equipment----stereo microscope, utilize the stereoscopic sensation that biocular systems is formed in eye, judged by the personal experience of operator, but convictive stereovision red and black sequential video photography clearly cannot be provided.
Summary of the invention
The present invention, for the purpose of solving the problem, mainly solves prior art and cannot carry out the spectral detection of fluorescence excitation to specific region and image depth is large, without stereoeffect, and cannot provide the problem of red and black sequence check effect.
For achieving the above object, the technical solution used in the present invention is: spectrum fluoroscopic examination and 3 D stereo rotating microscope red and black sequence check method, and the method is realized by following step:
A, spectral detection fluorescence excitation, first inspection of document sample is placed on the mobile platform of file tester device, open alternative light source, image detects microlens by multiband spectrum and imports high definition, Digital Video into, now observed by visual high clear video image, find file to need observed position or a certain specified point, as radix point by travelling table, punctuation mark, the specific stroke etc. in word.Detect microlens zoom Scalable field range by multiband spectrum, opening and closing different-waveband light source realizes the high definition visual effect of fluoroscopic examination.Alternative light source (radiation source of different-waveband) file is irradiated or by filter plate cut-off in filter plate control system and band logical, excite the fluorescence of the materials such as ink on file or anti-counterfeiting mark, occur different fluorescence reactions.
B. by spectral test equipment Inspection spectrum, observe the spectrogram of observed position, judge current location exciting light spectrum and the light spectrogram that is excited by observing each crest in spectrogram, and by editor's spectrum, spectral detection material has been described.A lot of files needs the detection a certain ad-hoc location being carried out to fluorescence excitation and spectrum, needs to locate accurately this position, detects the fluorescence spectrum of this ad-hoc location simultaneously.Utilize micro magnifier head, achieve and the sizes such as original test samples are observed or equal proportion amplifying observation, needs certain observation region is positioned, simultaneously rear end light path is carried out double light path and is turned back, HD video is divided into show light path and spectral detection light path, ensure that the region of spectral detection is the region of video observation, the Localized spectra realizing specific region detects.
C. utilize high definition 3 D stereo rotating microscope to detect red and black sequence check and open three-dimensional light source, file sample is positioned on travelling table, the microlens that image is rotated by 3 D stereo passes to high-definition camera, realize the change of camera lens to object observation angle of inclination, be applied to the stereovision up and down realizing stroke or word and seal sequencing, because camera lens is micro magnifier head, therefore the ink in writing invades change, the change of machine direction can manifest clearly, again by HD video camera system appearing picture, such red and black sequential hierarchy is clear, intuitively.
D. carry out take pictures storage, comparison, contrast, mark etc. after completing above-mentioned steps, illustrative picture can be stored in computer or printout is filed.
Compared with prior art, tool has the following advantages in the present invention:
1, micro magnifier head is utilized, achieve and the sizes such as original test samples are observed or equal proportion amplifying observation, and needs certain observation region is positioned, simultaneously rear end light path is carried out double light path and is turned back, HD video is divided into show light path and spectral detection light path, ensure that the region of spectral detection is the region of video observation, the Localized spectra realizing specific region detects.
2, the optical system lens adopting integrated camera to observe as video is avoided, multiband light source excitation checking file is utilized to observe fluorescence reaction, vision signal is simulating signal, spectrophotometer is used to carry out fluorescent spectroscopy, the defect cannot carrying out the spectral detection of fluorescence excitation to specific region caused.
3, adopt the logical and cut-off filter plate of band effectively to combine, captured the very high ink of similarity and distinguished effect.
4, avoid document check meter video observing system owing to adopting integrated camera as video capture device, image depth is large, without stereoeffect, cannot provide the video image of red and black sequence check effect.
5, avoid, by extra equipment----stereo microscope, utilizing the stereoscopic sensation that biocular systems is formed in eye, judged by the personal experience of operator, convictive stereovision red and black sequential video photography clearly cannot be provided.
Accompanying drawing explanation
Fig. 1 realizes schematic diagram in total system of the present invention.
Fig. 2 is total system software program figure of the present invention.
Embodiment
Embodiment
The overall implementation procedure of the present invention is such: as shown in Figure 1, first, open host power supply, first inspection of document sample is put in below the camera lens on file tester device workbench, open the white light source of light-source control system, image imports high definition, Digital Video into by microlens, now by video visible observation, file is found to need observed position or a certain specified point, as radix point by travelling table, punctuation mark, the specific stroke etc. in word.By camera lens zoom Scalable field range, then close white lamp and open any fluorescence excitation light source, by opening and closing different-waveband light source and the cut-off and the conducting that start filter plate in filter plate control system, realize the high definition visual effect of fluoroscopic examination, then carry out take pictures storage, comparison, contrast, mark etc., illustrative picture can be stored in computer or printout is filed.Open spectral test equipment Inspection spectrum, observe and need observed position or a certain specified point spectrogram, judge current location exciting light spectrum and the light spectrogram that is excited by observing each crest in spectrogram, and illustrative picture editor's spectrum can be inserted, illustrate and form spectral detection material.Be stored in computer or printout is filed.
Open three-dimensional light source, inspection of document sample is positioned on travelling table, the microlens that image is rotated by 3 D stereo passes to high-definition camera, by the angle change of camera lens to object observation, be applied to the stereovision up and down realizing stroke or word and seal sequencing, because camera lens is micro magnifier head, therefore the ink in writing invades change, the change of machine direction can manifest clearly, again by HD video camera system appearing picture, such red and black sequential hierarchy is clear, intuitively.Then carry out by special software take pictures storage, comparison, contrast, mark etc., illustrative picture can be stored in computer or printout is filed.
Software implementing course of the present invention is such: as shown in Figure 2, send instruction to document check meter main frame by host computer, control respectively: Fluirescence observation camera lens, light-source control system (control light source switch), filter plate system (filter plate conversion), 3 D stereo rotating microscope head (red and black sequential observing system).
Host computer is passed to by the fluorescence video storage image of Fluirescence observation camera lens.
Micro-zoom, three-dimensional perspective conversion, light source control, 3 D video is controlled by 3 D stereo rotating microscope head red and black sequential observing system.Host computer is passed to by 3 D video storage figure picture.
Claims (3)
1. spectrum fluoroscopic examination and a 3 D stereo rotating microscope red and black sequence check method, the method is realized by following step:
A. spectral detection camera lens is realized and fluorescence excitation camera lens shares same camera lens, ensure that spectral detection position is visible observation position, comprise a certain specified point, image imports high definition into by microlens, Digital Video, now by video visible observation, file is found to need observed position or a certain specified point by travelling table, by camera lens zoom Scalable field range, then, the high definition visual effect of fluoroscopic examination is realized by opening and closing different-waveband light source, and carry out storage of taking pictures, comparison, contrast, mark, illustrative picture is stored in computer or printout is filed, during by spectral detection, observe the spectrogram of observed position, also can directly printout file on computers by observing spectrogram and having illustrated that spectral detection material stores by editor's spectrum,
B. high definition 3 D stereo rotating microscope is utilized to detect red and black sequence check, by the angle change of camera lens to object observation, be applied to the stereovision up and down realizing stroke or word and seal sequencing, because camera lens is micro magnifier head, therefore the ink in writing invades change, the change of machine direction can manifest clearly, again by HD video camera system appearing picture, such red and black sequential hierarchy is clear, intuitively, then storage of taking pictures is carried out, comparison, contrast, mark, illustrative picture can be stored in computer or printout is filed, equipment designed in the method is by 1080P high-definition camera photographic system, digital vedio recording photographic system, spectral detection system, mobile platform control system, 3 D stereo microscope control system, light-source control system, spectral matching factor, detect, software for editing and high-definition image display/literary composition inspection image processing software composition.
2. spectrum fluoroscopic examination as claimed in claim 1 and 3 D stereo rotating microscope red and black sequence check method, a certain specified point described in the method refers to the specific stroke in radix point, punctuation mark or word.
3. spectrum fluoroscopic examination as claimed in claim 1 and 3 D stereo rotating microscope red and black sequence check method, the software implementing course of the method is: send instruction to document check meter main frame by host computer, control respectively: Fluirescence observation camera lens, light-source control system controls light source switch, the filter plate conversion of filter plate system, 3 D stereo rotating microscope head red and black sequential observing system, host computer is passed to by the fluorescence video storage image of Fluirescence observation camera lens, micro-zoom is controlled by 3 D stereo rotating microscope head red and black sequential observing system, three-dimensional perspective converts, light source control, 3 D video, host computer is passed to by 3 D video storage figure picture.
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| CN103411936B (en) * | 2013-07-29 | 2015-12-02 | 深圳大学 | A kind of three-dimensional nano-resolution localization method and device |
| CN105044069A (en) * | 2015-08-12 | 2015-11-11 | 合肥源信智能仪器有限公司 | Laser fluorescence inspection method for recognizing sequence of crossed writing and seal stamp |
| CN107037030A (en) * | 2017-04-01 | 2017-08-11 | 王艳 | Printed text and the red and black sequential authentication method under writing not crossing instances |
| CN108388856A (en) * | 2018-02-11 | 2018-08-10 | 天津市吉赫科技有限公司 | The detection device and detection method identified for product casing character and graphic and version |
| CN109187371A (en) * | 2018-09-04 | 2019-01-11 | 辽宁警察学院 | The method of red and black timing is judged based on YIQ color mode |
| CN111189784A (en) * | 2020-01-14 | 2020-05-22 | 哈尔滨工业大学 | Method for identifying stamping signature sequence based on polarization spectrum imaging |
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| DE10046199B4 (en) * | 2000-09-19 | 2011-02-10 | Leica Microsystems Cms Gmbh | Method for forensic font analysis |
| CN2641640Y (en) * | 2003-09-01 | 2004-09-15 | 李宇兵 | Intelligent investigation apparatus with five-dimension objective tablefor criminal trace and culture relics image |
| CN2833590Y (en) * | 2005-05-12 | 2006-11-01 | 芜湖市皖江光电仪器有限公司 | Document dating device |
| CN101059497A (en) * | 2007-05-22 | 2007-10-24 | 西南政法大学司法鉴定中心 | Method for identifying oil-soluble printing oil/ printing mud writing relative formation time |
| CN101281132A (en) * | 2008-04-28 | 2008-10-08 | 柯惟中 | Method for identifying Raman optical spectrum of red stamp print |
| JP5435431B2 (en) * | 2010-03-17 | 2014-03-05 | リパブリック オブ コリア（ナショナル インスティチュート オブ サイエンティフィック インヴェスティゲーション ディレクター ミニストリ オブ パブリック アドミニストレーション アンド セキュリティ） | Forged imprint inspection method and recording medium |
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