Search Results - "Robini, M.C."
-
1
A Stochastic Continuation Approach to Piecewise Constant Reconstruction
Published in IEEE transactions on image processing (01-10-2007)“…We address the problem of reconstructing a piecewise constant 3-D object from a few noisy 2-D line-integral projections. More generally, the theory developed…”
Get full text
Journal Article -
2
Radiographic Testing of Anomalies in Thick Metal Components: Fitting the Standard Line-Integral Model
Published in IEEE transactions on nuclear science (01-08-2007)“…Radiography is an effective method for nondestructive inspection of thick metal components. However, complete diagnosis of internal defects is a difficult task…”
Get full text
Journal Article -
3
Stochastic nonlinear image restoration using the wavelet transform
Published in IEEE transactions on image processing (01-08-2003)“…The dominant methodology for image restoration is to stabilize the problem by including a roughness penalty in addition to faithfulness to the data. Among…”
Get full text
Journal Article -
4
Simulated annealing, acceleration techniques, and image restoration
Published in IEEE transactions on image processing (1999)“…Typically, the linear image restoration problem is an ill-conditioned, underdetermined inverse problem. Here, stabilization is achieved via the introduction of…”
Get full text
Journal Article -
5
Radiographic Inspection of Thick Metal Components, Part I: Fitting the Standard Linear Image Formation Model
Published in 2006 IEEE Nuclear Science Symposium Conference Record (01-10-2006)“…Radiography is an effective method for nondestructive inspection of thick metal components. However, although fully 3D reconstruction of defects would be a…”
Get full text
Conference Proceeding -
6
Radiographic Inspection of Thick Metal Components, Part II: a New Stochastic Approach to 3-D Reconstruction
Published in 2006 IEEE Nuclear Science Symposium Conference Record (01-10-2006)“…We address the issue of reconstructing a piecewise constant 3D object from a few noisy projections in the radiographic inspection context described in Part I…”
Get full text
Conference Proceeding -
7
Two-dimensional ultrasonic flaw detection based on the wavelet packet transform
Published in IEEE transactions on ultrasonics, ferroelectrics, and frequency control (01-11-1997)“…An important issue in ultrasonic nondestructive evaluation is the detection of flaw echoes in the presence of coherent background noise associated with the…”
Get full text
Journal Article -
8
3-D reconstruction from a few radiographs using the metropolis dynamics with annealing
Published in Proceedings 1999 International Conference on Image Processing (Cat. 99CH36348) (1999)“…We address the problem of reconstructing a piece-wise smooth 3-D distribution from a few 2-D integral projections. The stabilization of this ill-conditioned…”
Get full text
Conference Proceeding -
9
Piecewise Constant Reconstruction Using a Stochastic Continuation Approach
Published in 2006 IEEE International Symposium on Signal Processing and Information Technology (01-08-2006)“…We address the problem of reconstructing a piecewise constant 3-D signal from a few noisy 2-D line-integral projections. More generally, the theory developed…”
Get full text
Conference Proceeding -
10
Edge-preserving image reconstruction for Young's modulus recovery from ultrasonic data
Published in IEEE Symposium on Ultrasonics, 2003 (2003)“…This study addresses the problem of reconstructing the Young's modulus from an uniaxial strain field estimated from ultrasonic data. We suggest to improve the…”
Get full text
Conference Proceeding -
11
Simulated annealing based shift-variant image restoration using the multiresolution wavelet transform
Published in Proceedings 1998 International Conference on Image Processing. ICIP98 (Cat. No.98CB36269) (1998)“…We address the linear image restoration problem in the case of a spatially varying blur. Most of the time, the recovery of the original image from its degraded…”
Get full text
Conference Proceeding -
12
Space-variant deconvolution for synthetic aperture imaging using simulated annealing
Published in Proceedings of International Conference on Image Processing (1997)“…The synthetic aperture image formation process can be formulated as a space-variant 2D convolution. The recovery of the original reflection density is an…”
Get full text
Conference Proceeding -
13
Application of the wavelet packet transform to flaw detection in ultrasound B-scans
Published in 1995 IEEE Ultrasonics Symposium. Proceedings. An International Symposium (1995)“…An important issue in ultrasonic nondestructive evaluation is the detection of flaw echoes in the presence of coherent background noise associated with the…”
Get full text
Conference Proceeding