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Social Articles - Person Identification With Dental Images By Striae Patterns In Radiographs
1. Introduction:
The Identification of people using their dental records, mainly as radiograph images searches the database of Postmortem (PM) and antemortem (AM) radiographs to determine the identity of the person associated with the PM image. We use a semi-
The Identification of people using their dental records, mainly as radiograph images searches the database of Postmortem (PM) and antemortem (AM) radiographs to determine the identity of the person associated with the PM image. We use a semi-
According to USFDA, a combination product is one composed of any combination of a drug and device; biological product and device; drug and biological product
automatic method to extract shapes of the teeth from the AM and PM radiographs, and find the affine transform that best fits the shapes in the PM image to those in the AM images. A ranking of matching scores is generated based on the distance between the AM and PM tooth sh
; or drug, device, and biological product and fixed dose combination would include two or more combinations of drug.
Examples of combination products may in
Examples of combination products may in
apes.
A manual comparison between the AM and PM records is based on a systematic dental chart completed by some forensic experts In this chart, a number of distinctive features are noted for each tooth individually. These features include properties of the teeth (e.g., to
A manual comparison between the AM and PM records is based on a systematic dental chart completed by some forensic experts In this chart, a number of distinctive features are noted for each tooth individually. These features include properties of the teeth (e.g., to
lude drug-coated devices, drugs packaged with delivery devices in medical kits, and drugs and devices packaged separately but intended to be used together.
oth present/not present, crown and root morphology and pathology and dental restorations), periodontal tissue features, and anatomical features. Depending on the number of matches, the forensic expert rejects or confirms the tentative identity. Unlike other biometric chara
here is enormous increase in the number of combination products entering the market in the recent years. Combination products have proven advantages but fixe
cteristics (e.g., fingerprints, iris, etc.), dental identification is complicated by the fact that dental features do change over time. The teeth can change appearance, or can be missing altogether, as a result of dental work or accidents occurring after the AM records are
d dose combinations are still in the process of convincing regulatory authority on their advantages over the single ingredient formulations.
Combination pro
Combination pro
taken.
In fact, for this very reason, although accepted in a court of law, dental based identification is considered less reliable than other biometric methods. But in certain cases (e.g., victims in a major fire), this may be the only available biometric method. From a
In fact, for this very reason, although accepted in a court of law, dental based identification is considered less reliable than other biometric methods. But in certain cases (e.g., victims in a major fire), this may be the only available biometric method. From a
ucts have become life saving products for the pharmaceutical companies who doesn’t have many innovative molecules in their product pipeline and have been inc
pattern recognition and computer vision standpoint, the problem of person identification based on dental records can be cast as an image matching and retrieval problem: given a dental image (usually a PM radiograph), we must search the database to find an AM radiograph tha
easingly used in the product life cycle management. Even the companies having product patents are trying to extend their product life cycle through the combi
t best matches with this PM record.
2. Existing Method:
The Identification is done in two Modules:
1. The shape extraction module extracts the shapes of the teeth in the database radiographs and query images.
2. The matching module matches the shapes from th
2. Existing Method:
The Identification is done in two Modules:
1. The shape extraction module extracts the shapes of the teeth in the database radiographs and query images.
2. The matching module matches the shapes from th
nation products and maximize the revenues. But the companies involved in this practice are overlooking that they are burdening the patients both economically
e query image to those from the database images.
Then a ranking is produced to show the best matching(s) in the database. The matching is performed in three steps. In the first step, a shape registration method is proposed to align and compute the distance between two tee
Then a ranking is produced to show the best matching(s) in the database. The matching is performed in three steps. In the first step, a shape registration method is proposed to align and compute the distance between two tee
and physically. They need to rightly judge the benefits of the combination products and they have to even look at the risks involved when combining the produ
th on the basis of tooth contours. If the shapes of the dental work are available, they can assist in the matching. An area-based metric is done for matching the dental work. The two matching distances are then combined to obtain the tooth correspondence and to measure the
ts. Some of the combination products were well accepted by physicians while others suffered. Companies involved in development of combination products are fi
similarity between images. Possible matches for the PM images are identified from a database of AM images. The labels of the retrieved images are used to establish the identity of the deceased subject.
3. Limitations:
However, in some cases, it is difficult t
3. Limitations:
However, in some cases, it is difficult t
ding difficulty in defining their combination products and facing various challenges from selecting a combination to marketing it.
Following aspects would a
Following aspects would a
o apply the above method because the images are very blurred, or the query shape is partially occluded so there is not enough information available to characterize the teeth.
There are still a number of challenges need to overcome. The shape extraction is a difficult prob
There are still a number of challenges need to overcome. The shape extraction is a difficult prob
dd to the challenges in developing combination products:
Which markets to tap where the combination products can do fairly well?
Which combination prod
Which markets to tap where the combination products can do fairly well?
Which combination prod
lem for dental radiographs, especially for poor quality images where some tooth contours are indiscernible.
For the subjects with a number of missing teeth, other features such as the shape of mandibular canals and maxillary sinus, for subject identification.
4. Propo
For the subjects with a number of missing teeth, other features such as the shape of mandibular canals and maxillary sinus, for subject identification.
4. Propo
cts are meaningful and rational?
Which therapeutic categories to select?
Which Combinations can address unmet needs of the patients?
Do combin
Which therapeutic categories to select?
Which Combinations can address unmet needs of the patients?
Do combin
sed Method:
Fortunately, the radiographs not only give us the information about the shape of the teeth, but also other information such as the artificial prothesis of the teeth, the striae patterns and trabecular patterns developing an image restoration algorithm to h
Fortunately, the radiographs not only give us the information about the shape of the teeth, but also other information such as the artificial prothesis of the teeth, the striae patterns and trabecular patterns developing an image restoration algorithm to h
tions increase the patient compliance?
What would be the developing cost?
How to tackle the risks encountered during combination product developmen
What would be the developing cost?
How to tackle the risks encountered during combination product developmen
andle poor quality radiographs.
Striae is also a general term referring to thin, narrow groove or channel, or a thin line or band especially if several of them are parallel or close together. Fourier analysis provides a more general approach for detecting the frequency
Striae is also a general term referring to thin, narrow groove or channel, or a thin line or band especially if several of them are parallel or close together. Fourier analysis provides a more general approach for detecting the frequency
t?
As combination products don't fit into the traditional categories of drugs, medical devices, or biological products, the USFDA is in the process of devel
As combination products don't fit into the traditional categories of drugs, medical devices, or biological products, the USFDA is in the process of devel
and orientation of the striae patterns, and is more suitable for the purpose given the range of possible frequencies and orientations. Apart from knowing the striae orientation and frequency, the borders of the central area of the diatom with no striae (the sternum or raph
ping new procedures for reviewing their safety, efficacy and quality.
Professional from academic institutions, pharmaceutical industries, health care indust
Professional from academic institutions, pharmaceutical industries, health care indust
e-sternum) should be detected.
The proposed format is to work similar to the synthesis algorithm of diatoms where the striae are formed gradually, the ones near the centre of the diatom start growing first and may be partially completed by the time the striae further away
The proposed format is to work similar to the synthesis algorithm of diatoms where the striae are formed gradually, the ones near the centre of the diatom start growing first and may be partially completed by the time the striae further away
y and representatives from various regulatory agencies are working out to design the regulatory requirements for manufacture and sale of combination products
from the centre start forming. The attempt is to model this process similar to iterative synthesis algorithm of diatom. The unique nature of our dental anatomy and the placement of custom restorations ensure accuracy when the techniques are correctly employed.
5. Refe
5. Refe
.
As there is an increasing trend of the combination products companies manufacturing such products should be able to tackle the problems involved in the de
As there is an increasing trend of the combination products companies manufacturing such products should be able to tackle the problems involved in the de
rences:
1. Anil K. Jain, Hong Chen, and Silviu Minut, “Dental Biometrics: Human Identification Using Dental Radiographs”
2. Y.Hicks, D.Marshall, R.R.Martin, P.L.Rosin S.Droop, D.G.Mann, “Building Shape And Texture Models Of Diatoms For Analysis And Synthesis Of
1. Anil K. Jain, Hong Chen, and Silviu Minut, “Dental Biometrics: Human Identification Using Dental Radiographs”
2. Y.Hicks, D.Marshall, R.R.Martin, P.L.Rosin S.Droop, D.G.Mann, “Building Shape And Texture Models Of Diatoms For Analysis And Synthesis Of
elopment. They need to be wiser in analyzing the market trends and the regulatory requirements.
Companies that provide selfless information through particip
Companies that provide selfless information through particip
Drawings And Identification”.
3. Hong Chen and Anil K. Jain, “Dental Biometrics: Alignment and Matching of Dental Radiographs”.
4. Forensic Odontology News
5. Diaa Eldin M. Nassar and Hany H. Ammar, A Prototype Automated Dental Identification System (ADIS
3. Hong Chen and Anil K. Jain, “Dental Biometrics: Alignment and Matching of Dental Radiographs”.
4. Forensic Odontology News
5. Diaa Eldin M. Nassar and Hany H. Ammar, A Prototype Automated Dental Identification System (ADIS
tion in industry events and feedback to regulatory authorities would be able to face the challenges and will be successful in developing combination products
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