Pupil dilation degrades iris biometric performance
Iris biometrics research has largely ignored the problems associated with variations in pupil
dilation between the enrollment image and the image to be recognized or verified. Indeed, in …
dilation between the enrollment image and the image to be recognized or verified. Indeed, in …
Factors that degrade the match distribution in iris biometrics
KW Bowyer, SE Baker, A Hentz, K Hollingsworth… - Identity in the …, 2009 - Springer
We consider three “accepted truths” about iris biometrics, involving pupil dilation, contact
lenses and template aging. We also consider a relatively ignored issue that may arise in …
lenses and template aging. We also consider a relatively ignored issue that may arise in …
Iris recognition using signal-level fusion of frames from video
K Hollingsworth, T Peters, KW Bowyer… - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
We take advantage of the temporal continuity in an iris video to improve matching
performance using signal-level fusion. From multiple frames of a frontal iris video, we create …
performance using signal-level fusion. From multiple frames of a frontal iris video, we create …
Empirical evidence for correct iris match score degradation with increased time-lapse between gallery and probe matches
We explore the effects of time lapse on iris biometrics using a data set of images with four
years time lapse between the earliest and most recent images of an iris (13 subjects, 26 …
years time lapse between the earliest and most recent images of an iris (13 subjects, 26 …
SLIC: Short-length iris codes
The texture in a human iris has been shown to have good individual distinctiveness and thus
is suitable for use in reliable identification. A conventional iris recognition system unwraps …
is suitable for use in reliable identification. A conventional iris recognition system unwraps …
Image averaging for improved iris recognition
We take advantage of the temporal continuity in an iris video to improve matching
performance using signal-level fusion. From multiple frames of an iris video, we create a …
performance using signal-level fusion. From multiple frames of an iris video, we create a …
Using fragile bit coincidence to improve iris recognition
KP Hollingsworth, KW Bowyer… - 2009 IEEE 3rd …, 2009 - ieeexplore.ieee.org
The most common iris biometric algorithm represents the texture of an iris using a binary iris
code. Not all bits in an iris code are of equal value. A bit is deemed fragile if it varies in value …
code. Not all bits in an iris code are of equal value. A bit is deemed fragile if it varies in value …
[PDF][PDF] A new user dependent iris recognition system based on an area preserving pointwise level set segmentation approach
N Barzegar, MS Moin - EURASIP Journal on Advances in Signal …, 2009 - Springer
This paper presents a new user dependent approach in iris recognition systems. In the
proposed method, consistent bits of iris code are calculated, based on the user …
proposed method, consistent bits of iris code are calculated, based on the user …
A new method for iris recognition based on contourlet transform and non linear approximation coefficients
A Azizi, HR Pourreza - … and Applications: 5th International Conference on …, 2009 - Springer
In different methods of Biometrics, recognition by iris images in recent years has been taken
into consideration by researchers as one of the common methods of identification like …
into consideration by researchers as one of the common methods of identification like …
Recent research results in iris biometrics
K Hollingsworth, S Baker, S Ring… - … and Photonics in …, 2009 - spiedigitallibrary.org
Many security applications require accurate identification of people, and research has
shown that iris biometrics can be a powerful identification tool. However, in order for iris …
shown that iris biometrics can be a powerful identification tool. However, in order for iris …