For a group of ten prostate patients concurrently treated with the pelvic lymph nodes, we compared two alignment methods: one directly aligns the pelvic bone from the MVCBCT to that of the planning CT; the other aligns the pelvic bone from the MVCBCT to the contour of the pelvic bone from...
Separability of the integral image calculation. I(x,y)=∑(i,j)=(0,0)(y,x)F(i,j)∑i=0y∑j=0xF(i,j) The algorithm that takes a vector F = [a0, a1,…, an − 1] of length n and produces the vector I of length n + 1 (refer to Table 33.8), where each element ...
where I is the segmented silhouette shape, N are the total number of frames in a gait cycle. The complete process is shown in Fig. 7. However, these techniques are unable to encode temporal information [94]. To cope this problem, the technique proposed in [94] estimates the contours of...
Here * denotes convolution operation, the forward projector FP function is the convolution of the current object estimate Ek with the forward projector f, DV indicates the division of the raw image I by FP, the backward projector BP function is the convolution of DV with the backward projector...
SU‐GG‐I‐73: CT Image Quality and Radiation Dose Survey in Taiwan The purpose of this study is to survey the image quality and patient doses for CT in Taiwan. Methods and Materials: Trained investigators conducted on‐... HY Tsai,HL Liu,CC Chen,... - 《Medical Physics》 被...
Comparing the 0 and 1 of classical bits, the two possible states of a single qubit are \(|0\rangle \) and \(|1\rangle \). In three-dimensional Bloch Sphere, a qubit can be written in the form as: $$ |\psi \rangle =\cos \frac{\theta}{2} \vert 0\rangle +e^{i\phi} \...
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We show that this allows us to reconstruct the image of an arbitrarily complex object, as viewed through an opaque medium. Results Reconstruction operators. There are two straightforward options. (i) Without noise, a perfect image transmission can be performed by the use of the inverse matrix (...
When this happens the short columns of pier number 2 would be required to take additional shear. It was estimated from a non-linear static pushover analysis that the short columns will not be able to form plastic hinges prior to failure in shear. Consequently, these columns were strengthened ...
7-3-a. Message m is assumed to be a sequence of 32 bits. The signal W takes the form of the watermark signal corresponding to m with a constraint on the correlation properties. Hadamard transform matrix is designated as the codebook and its orthogonal rows are mapped to codewords that ...