This paper presents color processing for face recognition systems and proposes new directions for them. We show that color information helps performance of face recognition and found that specifically YCbCr and YCg...
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ISBN:
(纸本)9784901122078
This paper presents color processing for face recognition systems and proposes new directions for them. We show that color information helps performance of face recognition and found that specifically YCbCr and YCg'Cr' color spaces are the most appropriate for face recognition. In this paper, the performance of the principal component analysis (PCA)-based face recognition algorithm is performed in various color spaces including RGB, HSV, YCbCr, and YCg'Cr'. The performance evaluation was conducted with the color FERET database in terms of the recognition rate. In our experimentation, robustness of the independent PCA-based algorithms with different color domains is investigated for different facial expressions and aging.
Fluorescence Correlation Spectroscopy (FCS) was used to study the nano-clusters of silole molecules formed by aggregation from solutions in acetone-water mixtures. It allowed the determination of the size of clusters ...
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ISBN:
(纸本)1424411742
Fluorescence Correlation Spectroscopy (FCS) was used to study the nano-clusters of silole molecules formed by aggregation from solutions in acetone-water mixtures. It allowed the determination of the size of clusters in nanometer scale. Aggregate formation was investigated systematically by measuring the cluster sizes made at different silole concentrations and water contents.
Infrared-visible sum-frequency generation spectroscopy was used to study cation adsorption and charge inversion behavior at the lipid/water interface of dimyristoylphosphatidic acid (DMPA) monolayer. The alignment of ...
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ISBN:
(纸本)1424411742
Infrared-visible sum-frequency generation spectroscopy was used to study cation adsorption and charge inversion behavior at the lipid/water interface of dimyristoylphosphatidic acid (DMPA) monolayer. The alignment of interfacial water molecules was inferred by electric field produced from the adsorbed surface charges at the lipid/water interface, which suggested charge inversion behavior.
The surface dynamics of supported ultrathin polystyrene films with thickness comparable to the radius of gyration were investigated by surface sensitive x-ray photon correlation spectroscopy. We show for the first tim...
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The surface dynamics of supported ultrathin polystyrene films with thickness comparable to the radius of gyration were investigated by surface sensitive x-ray photon correlation spectroscopy. We show for the first time that the conventional model of capillary waves on a viscous liquid has to be modified to include the effects of a shear modulus in order to explain both static and dynamic scattering data from ultrathin molten polymer films.
We observed the surface resistance of metal thin films by a nondestructive characterization method using a near-field scanning microwave microprobe (NSMM). The NSMM system was coupled to a dielectric resonator with a ...
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We observed the surface resistance of metal thin films by a nondestructive characterization method using a near-field scanning microwave microprobe (NSMM). The NSMM system was coupled to a dielectric resonator with a distance regulation system. To demonstrate the ability of local microwave characterization, the surface resistance dependence of the metallic thin films has been mapped nondestructively.
A near-field scanning microwave microscope (NSMM) is used to study the physical properties of DNA strands with a specific sequence and image lamda-DNA bundles. After the hybridization process between target and captur...
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A near-field scanning microwave microscope (NSMM) is used to study the physical properties of DNA strands with a specific sequence and image lamda-DNA bundles. After the hybridization process between target and capture sequences, specific DNA binding events leads to microwave reflection coefficient (S 11) changes of the NSMM. These changes are caused by a modification of the physical dielectric constant due to sequence specific DNA binding. This study demonstrates significant potential of the NSMM as a nondestructive and noncontact tool to detect DNA strands without a target-probe amplification process and as a valuable technique to understand the physical property of DNA.
We have fabricated vertical type organic thin film transistors (OTFTs) using organic semiconductor materials such as F16CuPc, NTCDA, PTCDIC-8 and C60. The layers of OTFT were fabricated by vacuum evaporation technique...
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We have fabricated vertical type organic thin film transistors (OTFTs) using organic semiconductor materials such as F16CuPc, NTCDA, PTCDIC-8 and C60. The layers of OTFT were fabricated by vacuum evaporation technique a nd spin casting method o nto the Indium Tin Oxide (ITO) coated glass. I-V characteristics and on-off ratios of the fabricated OTFTs were investigated. In addition, we have fabricated light emitting transistor using MEH-PPV and then investigated EL electroluminescent properties.
We observed the glucose concentration of solutions using a near-field microwave microprobe (NFMM). Instead of the usual invasive technique, we take the advantage of the noncontact and noninvasive evaluation capabiliti...
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We observed the glucose concentration of solutions using a near-field microwave microprobe (NFMM). Instead of the usual invasive technique, we take the advantage of the noncontact and noninvasive evaluation capabilities of an NFMM. The NFMM with a high Q dielectric resonator allows observation of small variations of the permittivity due to changes in the glucose concentration. By measuring the reflection coefficient we could observe the concentration of glucose with a detectable resolution to 0.5 mg/ml (0.05 %). The glucose biosensor using a NFMM provides an unique approach for glucose monitoring for diabetes.
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