Simulation hierarchical structure of human visual cortex for image classification

... Sample images of targets at range meters 148 7.8 Sample pairs of images of camera and sonar taken at range 1.5m The images on the left of each pair show a visual image of an object ... these issues 1.2 Human Visual Cortex Research on the human visual cortex suggests a hierarchical structure in which each level of the hierarchy is assumed to be responsible for speciﬁc roles ... Motivations Image classiﬁcation includes a broad range of approaches to the identiﬁcation of images or parts of them In classiﬁcation of images, each image is assumed to have a series of features...

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SIMULATION AND VERIFICATION OF PARTICLE COAGULATION DYNAMICS FOR A PULSED INPUT

... negligible For a pulsed input of particles, the number of particles decreases and the average size of all particles increase due to the formation of particle aggregates The volume-weighted mean size, ... fractal (Jiang and Logan, 1991) The relationship between the mass and the size of a fractal aggregate can be written as m∝lD, where l is the actual length of the aggregate and D is the fractal ... standard particles were placed in a 600 mL beaker filled with 3.5% NaCl solution Particles were kept suspended by a flat paddle rotated at a rate of 15 rpm Alum (Al2(SO4)3⋅18H2O) was added as a...

Tài liệu Báo cáo khoa học: The crystal structure of human a-amino-b-carboxymuconatee-semialdehyde decarboxylase in complex with 1,3-dihydroxyacetonephosphate suggests a regulatory link between NAD synthesis and glycolysis ppt

... 14-48 form the small insertion domain that comprises a short a- helix and a three-stranded anti-parallel b-sheet; the remaining protein residues form the (a ⁄ b)8 barrel domain and a C-terminal extension ... would act as a regulatory link between glycolysis and NAD synthesis The structure of hACMSD in complex with DHAP may used for the design of potent and highly selective enzyme inhibitors that may ... (at 2.8 A) The DHAP aliphatic chain is sandwiched between Trp191 and Asp291, with its carbonyl oxygen contacting, at a ˚ distance of 2.7 A, both Asp291 and the solvent molecule w1 Finally, the...

Tài liệu Báo cáo Y học: Molecular modeling of the dimeric structure of human lipoprotein lipase and functional studies of the carboxyl-terminal domain docx

... has already established Of two possible dimeric structures of LPL, the head-tohead and the head-to-tail models, the studies of the chimeric proteins of hepatic lipase and LPL and the tandem repeat ... (Fig 4A and B, 5) The lipase activity of the K413A mutant is similar to that of wild type LPL, whereas the esterase activity is reduced to 60% of the wild type and the model structure displays no ... orientation, the catalytic site in the N-terminal domain of one subunit and the substrate recognition site in the C-terminal domain of the other face each other, thereby bringing together the substrate-binding...

Báo cáo khoa học: Crystal structure of human cystatin C stabilized against amyloid formation pdf

... overall fold of HCC-stab1 shows no signiﬁcant differences when compared to the available models of type cystatins, such as chicken cystatin (PDB code: 1CEW), cystatin D (PDB code: 1RN7), or cystatin ... chicken cystatin or for human cystatin F [44], in which, respectively, a prominent a-helix or a helical coil is present (Fig 4C) Crystal packing and molecular interactions The HCC-stab1 molecules ... monomeric human cystatin D [43]; 1CEW, monomeric chicken cystatin [13]; 2CH9, monomeric human cystatin F [44]; 1STF, steﬁn B from papain complex [10]; 1NB5, steﬁn A from cathepsin H complex [11] HCC-stab1...

Báo cáo khoa học: The crystal structure of human WD40 repeat-containing peptidylprolyl isomerase (PPWD1) pdf

... 2008 FEBS 2285 Structure of spliceosomal cyclophilin PPWD1 T L Davis et al Fig Structure of PPWD1 and comparison with other Cyp structures (A) The structure of the isomerase domain of PPWD1 is shown ... structure of PPWD1 is similar to the structure of the canonical CypA as well as to CypH and PPIL1, two other spliceosomal Cyps (Fig 1B) The Ca atoms of CypA align to the isomerase domain of PPWD1 ... described in the literature Further complicating the ﬁeld of Cyp biology is the fact that many of the 17 Cyps annotated in the human genome have not been thoroughly studied in terms of either enzymatic...

Báo cáo khoa học: Solution structure of human proinsulin C-peptide ppt

... addition of 2,2,2triﬂuoroethanol no long-range NOEs could be 4285 Solution structure of C-peptide A C E Munte et al A B C Fig Local structure of the C-peptide as obtained from the deviations of 1Ha ... Unordered structure ¨ of proinsulin C-peptide in aqueous solution and in the presence of lipid vesicles Cell Mol Life Sci 57, 337–342 Xie L & Tsou C-L (1993) Comparison of secondary structures of insulin ... tetrapeptide sequence of the proinsulin connecting peptide FEBS Journal 272 (2005) 4284–4293 ª 2005 FEBS Solution structure of C-peptide 31 32 33 34 35 36 37 38 39 40 (C-peptide) inhibits proinsulin to...

Báo cáo Y học: Structure of human immunodeﬁciency virus type 1 Vpr(34–51) peptide in micelle containing aqueous solution pptx

... Spectroscopy Biochemistry 31, 16 47 16 51 Pervushin, K.V & Arseniev, A.S (19 92) Three-dimensional structure of (1 36)bacterioopsin in methanol-chloroform mixture and SDS micelles determined by 2D 1H-NMR ... determined its structure in chloroform/methanol The detected a helix content of Vpr(35– 51) increased from 76 to 88 and 94% in micelle- containing solution, Ó FEBS 2002 Vpr(34– 51) peptide structure ... content of a helical secondary structure Our rationale to employ micelle- containing and nonaqueous solvents to study the structure of Vpr(34– 51) is based on Vpr functions that clearly take place in...

Báo cáo y học: "Tandem repeats modify the structure of human genes hosted in segmental duplications" docx

... modifications in order to verify the effect of the repeats on the resulting proteins In the majority of cases, the reading frame of the original protein is preserved and variable ITRs cause the elongation ... Fifty percent of variable ITRs modify protein sequences In agreement with an active role in modifying protein sequences, we found that 50% of the detected ITRs occur in the coding sequence of genes ... lying in SDs with the aim of verifying whether ITRdriven modifications represent a widespread mechanism for the evolution of novel genes Results ITRs modify around 7% of human genes hosted in...

Báo cáo sinh học: "Hierarchical folding of multiple sequence alignments for the prediction of structures and RNA-RNA interactions" doc

... ∪ σint to denote the partition of the base pairs of the first sequence, σ1, the base pairs of the second sequence, σ2, and the interacting base pairs, σint Furthermore, for the partial structure ... with the same ability The time complexity is in the magnitude of PET-fold for the added sequence length L of both alignments, and it is linear with respect to the number of sequences N in the alignments ... reliable for the prediction of consensus structures from alignments Here, however, we also have to estimate the contribution of each of the partial structures to the complete solution Because the...

Báo cáo khoa học: Structure of the O-polysaccharide fromProteus myxofaciens Classification of the bacterium into a newProteusO-serogroup pptx

... O-polysaccharide in a yield of 20% of the LPS weight Rabbit antisera and serological assays Polyclonal O-antisera were obtained by immunization of rabbits with heat-inactivated bacteria of P myxofaciens ... the O-polysaccharide of P myxofaciens Fig 1H NMR spectrum of the O-polysaccharide of P myxofaciens COOH of AlaLys) A relatively high-ﬁeld position of the signal for C6 of GlcA showed that the ... polysaccharide using an amino-acid analyzer revealed the presence of GlcN and GalN in the ratio : as well as another amino component Sugar analysis using anionexchange chromatography demonstrated the...

genetic evolution processing of data structures for image classification

... CHI: GENETIC EVOLUTION PROCESSING OF DATA STRUCTURES FOR IMAGE CLASSIFICATION 227 Fig 10 Examples of tree structures constructed from the two flower images from the same class in the flower database ... classification rates were obtained by averaging 20 CHO AND CHI: GENETIC EVOLUTION PROCESSING OF DATA STRUCTURES FOR IMAGE CLASSIFICATION 229 Fig 12 Overall classification rates of different classification ... error between the target and the root output values of data CHO AND CHI: GENETIC EVOLUTION PROCESSING OF DATA STRUCTURES FOR IMAGE CLASSIFICATION structures But, the dimension may be very high so...

báo cáo hóa học:" Research Article Real-Time Multiview Recognition of Human Gestures by Distributed Image Processing" pdf

... is proposed for multiview recognition of human gestures by real-time distributed image processing In our framework, recognition agents run in parallel for diﬀerent views, and the recognition results ... answers” by “the rate of correct answers” plus “the rate of wrong answers.” “The rate of correct answers” refers to the ratio of the number of correct recognition to the number of processed image ... in real-time In the experiments, the proposed approach is evaluated by using two kinds of image databases: (1) public ViHASi image database and (2) original JSL image database By examining recognition...

Báo cáo hóa học: " Design of Farthest-Point Masks for Image Halftoning" potx

... versions of the FWMSE, both using a model of the human Design of Farthest-Point Masks for Image Halftoning visual system (HVS) The ﬁrst version measures the diﬀerence between the original image ... j) term is used to suppress checkerboard Design of Farthest-Point Masks for Image Halftoning 1889 0.9 0.8 0.7 cb(i, j) = Figure 1: Example of a pixel forming a local checkerboard pattern patterns ... FPH mask (Λ2 ) Design of Farthest-Point Masks for Image Halftoning 1895 4.1.3 Halftone measure results Figure 11: Using the same weights as for the 128 × 128 halftone mask (Λ1 ) for the 256 ×...

Analysis the Statistical Parameters of the Wavelet Coefficients for Image Denoising

... follows: Y=X+V (13) Here Y is wavelet transform of the noisy degraded image, X is wavelet transform of the original image and V denotes the wavelet transform of the noise components in Gaussian ... the value of β is substituted by N log  k  2  βN = 2×k (28) Here N/2k is the length of the sub-band at scale k The image denoising algorithms that use the wavelet transform consist of the ... 1- Calculate the multiscale decomposition wavelet transform of the noisy image 2- Estimate the noise variance σ v2 from the subband HH k and σ x is variance of the original image 3- For each level...

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