# Gradient

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• ## Mesh Editing with Poisson-Based Gradient Field Manipulation

1687 Words  | 7 Pages

report, I will survey the state-of-the-art techniques for creating, manipulating, editing and analyzing digital geometry models. The mesh editing techniques we discussed here are : Poisson Shape Interpolation, Mesh Editing with Poisson-Based Gradient Field Manipulation, Mesh Editing based on Discrete Laplace and Poisson Models, Mesh Editing with Curvature Flow Laplacian and Mean Value coordinates for Closed triangular meshes. All the five techniques will be discussed in detail in

• ## Corner Detection Are Useful for Computer Vision Applications Essay

1492 Words  | 6 Pages

ﬁrst deﬁned by Noble  from which a slightly diﬀerent version has been proposed by Harris and Stephen : (1.2) The role of the parameter k is to remove sensitivity to strong edges. The Plessey operator uses estimates of the variance of the gradient of an image in a set of overlapping neighborhoods. This detector, which produced much interest, was extended by including local gray-level invariants based on combinations of Gaussian derivatives . One of the earliest detectors , which was

• ## Kinetics of the Reaction Between Acetone and Iodine Essay

652 Words  | 3 Pages

(7-9)/(14-9) = -0.4 For run 3: (5.5-10)/(17-9) = -0.563 The equation of the line in run 1 between the two points is y – y1 = m(x – x1) y-4.4=-0.263(x-10) therefore y = 0.263x + 1.77 The ratio between the gradients for run 1 and run 2 is 1:2 as 0.4/0.263 is approximately half, whereas the gradient for runs 2 and 3 is 3:2 as 0.563/0.4 is approximately 1.5. Initial concentration of iodine in run 1: Using M1V1=M2V2 Initial undiluted conc of iodine = 0.05M and volume of undiluted

• ## Essay Growth of Dace and Roach in the River Exe Catchment

1444 Words  | 6 Pages

in this area compared to others along the river so it is essential to look for other food items to populate this region. This explains why they do not have a growth rate that is in line with the other sampling site (figure 9). The River Creedy’s gradient slope is 1.9% which indicates that the flow rate is at a medium rate. This river also has a high nutrient level as there are runoffs from farm land and with the flow rates not as fast as the Exe then the nutrients as staying within area rather than

• ## Dna Essay

1045 Words  | 5 Pages

2.10 binding analysis of investigated complexes with Calf thymus DNA (CT-DNA) 2.10.1 Viscosity for DNA in the presence investigated complexes Oswald micro‐viscometer was used for measuring the viscosity of investigated complexes at constant temperature 25 oC. With maintaining the concentration of CT-DNA constant (420 uM), the Fluidity times were registered for different concentrations of investigated complexes (0 - 250 μM) [13,16,19,20,26,27,28,29,30,34,39]. Bubbling nitrogen gas is used for

• ## CASL CASL uses low-power, continuous RF pulses and requires application of a constant magnetic

1700 Words  | 7 Pages

of a constant magnetic field gradient in the blood flow direction6, 8, 9, 25. Applying the gradient creates a range of resonant frequencies in the spins along the gradient direction, resulting in inversion of the moving arterial spins while static tissue spins are nulled19. This process is known as flow-driven adiabatic inversion8, 9. To accurately localize inverted spins, a “labeling plane” is established by tuning the RF pulse frequency to match that of the gradient. Images are acquired when the

• ## Direction and Concentration Gradients

916 Words  | 4 Pages

Direction and concentration gradients Bradley Benton ABSTRACT In this experiment, we will investigate the effect of solute concentration on osmosis. A semi‐permeable membrane (dialysis tubing) and sucrose will create an osmotic environment similar to that of a cell. Using different concentrations of sucrose (which is unable to cross the membrane) will allow us to examine the net movement of water across the membrane. INTRODUCTION A major determinant of diffusion in a biological system is membrane

• ## We Use A Gaussian Function As A Kernel Function

1452 Words  | 6 Pages

In order to specify the middle layer of an RBF we have to decide the number of neurons of the layer and their kernel functions which are usually Gaussian functions. In this paper we use a Gaussian function as a kernel function. A Gaussian function is specified by its center and width. The simplest and most general method to decide the middle layer neurons is to create a neuron for each training pattern. However the method is usually not practical since in most applications there are a large number

• ## What Is The Gradient Of A Graph

1933 Words  | 8 Pages

9988 for the graph shows that a linear trendline is appropriate for the data set. The gradient of this graph can be used to calculate the constant of magnetism (k) which then can be compared against its actual value to determine the percentage error present in the results. As I_OUT MAX=(4π^2 fkN_1 N_2 I)/RL A, the gradient of a graph where peak output current is graphed against peak input current the gradient is equal to (4π^2 fkN_1 N_2)/RL A. Therfore, 0.0715=(4π^2 fkN_1 N_2 I)/RL A 0.0715=(4π^2*50*420*1000*k)/(11

• ## Mean Square Error Essay

885 Words  | 4 Pages

the automatic adjustment of the parametric model. Figure 4.1 Concept of adaptive transversal filter 4.2 Least Mean Square Algorithm Using the steepest descent algorithm if it is mainly concentrated to make accurate measurement of the vector named gradient J(n) at every regular iteration. It is also possible to compute tap weight vector if step size parameter is suitably selected. Step size selection and tap weight vector optimally computed would be related to optimum wiener solution. As the advance

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