RayIntegration methods for real-time reconstruction using a compact measuring device

Kania, Konrad; Rymarczyk, Tomasz; Maj, Michał; Gołąbek, Michał; Adamkiewicz, Przemysław; Sikora, Jan

doi:10.1109/iiphdw.2019.8755416

Cited by 4 publications

(6 citation statements)

References 17 publications

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“…The traditional approach to modelling an ultrasonic tomograph is to approximate the system behaviour with a model of simple propagation rays between two ultrasonic probes. Publications verify the effectiveness of this solution reliably being able to image the positions of inclusions and the domain of the tomographic system [27][28][29][30][31][32][33][34][35]. Moreover, the effectiveness of such models can be verified by a practical study from measurement data.…”

Section: Innovation Of the Solutionmentioning

confidence: 83%

“…The result of the algorithm with filtering and thresholding is shown in the next figure. The last one shows the reconstruction obtained presented in our previous work [31,32,35].…”

Section: Resultsmentioning

confidence: 99%

“…After direct decompression, the image can be further processed by filtering with a static high-pass filter and further segmentation, as seen in Figure 12. The picture achieved after filtering differs from the tomogram standard quality of other algorithms [31][32][33][34][35]. In addition, an exact image can be obtained after segmentation.…”

Section: Compression Testsmentioning

confidence: 99%

“…Despite the apparent loss of detail, the overall shape is reproduced correctly. The picture achieved after filtering differs from the tomogram standard quality of other algorithms [31][32][33][34][35]. In addition, an exact image can be obtained after segmentation.…”

Section: Compression Testsmentioning

confidence: 99%

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Optimisation of Technological Processes by Solving Inverse Problem through Block-Wise-Transform-Reduction Method Using Open Architecture Sensor Platform

et al. 2021

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This paper presents an open architecture for a sensor platform for the processing, collection, and image reconstruction from measurement data. This paper focuses on ultrasound tomography in block-wise-transform-reduction image reconstruction. The advantage of the presented solution, which is part of the project “Next-generation industrial tomography platform for process diagnostics and control”, is the ability to analyze spatial data and process it quickly. The developed solution includes industrial tomography, big data, smart sensors, computational intelligence algorithms, and cloud computing. Along with the measurement platform, we validate the methods that incorporate image compression into the reconstruction process, speeding up computation and simplifying the regularisation of solving the inverse tomography problem. The algorithm is based on discrete transformation. This method uses compression on each block of the image separately. According to the experiments, this solution is much more efficient than deterministic methods. A feature of this method is that it can be directly incorporated into the compression process of the reconstructed image. Thus, the proposed solution allows tomographic sensor-based process control, multidimensional industrial process control, and big data analysis.

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Section: Innovation Of the Solutionmentioning

confidence: 83%

“…The result of the algorithm with filtering and thresholding is shown in the next figure. The last one shows the reconstruction obtained presented in our previous work [31,32,35].…”

Section: Resultsmentioning

confidence: 99%

Section: Compression Testsmentioning

confidence: 99%

Section: Compression Testsmentioning

confidence: 99%

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Optimisation of Technological Processes by Solving Inverse Problem through Block-Wise-Transform-Reduction Method Using Open Architecture Sensor Platform

et al. 2021

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“…Ultrasound transmission tomography (UTT) can be divided into two basic groups, namely, classical and diffraction tomography and these two groups, in turn, into transmission and reflection tomography (Kania et al , 2020; Kania et al ,2019a; Kania et al , 2019b; Khairi et al , 2019; Ma et al , 2017; Rymarczyk et al ,2019). This article focuses on transmission imaging methods using UTT (Gudra and Opieliński, 2006; Kłosowski et al ,2020; Koulountzios et al , 2019; Rymarczyk and Sikora, 2019).…”

Section: Introductionmentioning

confidence: 99%

Image reconstruction by solving the inverse problem in ultrasonic transmission tomography system

Rymarczyk

Kania²,

Gołąbek³

et al. 2020

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Purpose The purpose of this study is to develop a reconstruction and measurement system for data analysis using ultrasonic transmission tomography. The problem of reconstruction from the projection is encountered in practical implementation, which consists in reconstructing an image that is an estimation of an unknown object from a finite set of projection data. Reconstructive algorithms used in transmission tomography are based on linear mathematical models, which makes it necessary to process non-linear data into estimates for a finite number of projections. The application of transformation methods requires building a mathematical model in which the projection data forming the known and unknown quantities are functions with arguments from a continuous set of real numbers, determining the function describing the unknown quantities sought in the form of inverse relation and adapting it to operate on discrete and noisy data. This was done by designing a tomographic device and proprietary algorithms capable of reconstructing two-dimensional images regardless of the size, shape, location or number of inclusions hidden in the examined object. Design/methodology/approach The application consists of a device and measuring sensors, as well as proprietary algorithms for image reconstruction. Ultrasonic transmission tomography makes it possible to analyse processes occurring in an object without interfering with the examined object. The proposed solution uses algorithms based on ray integration, the Fermat principle and deterministic methods. Two applications were developed, one based on C and implemented on the embedded device, while the other application was made in Matlab. Findings Research shows that ultrasonic transmission tomography provides an effective analysis of tested objects in closed tanks. Research limitations/implications In the presented technique, the use of ultrasonic absorption wave has been limited. Nevertheless, the effectiveness of such a solution has been confirmed. Practical implications The presented solution can be used for research and monitoring of technological processes. Originality/value Author’s tomographic system consisting of a measuring system and image reconstruction algorithms.

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Dedicated algorithm based on discrete cosine transform for the analysis of industrial processes using ultrasound tomography

Mazurek¹,

Rymarczyk

Kania

et al. 2020

Adjunct Proceedings of the 2020 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of The

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RayIntegration methods for real-time reconstruction using a compact measuring device

Cited by 4 publications

References 17 publications

Optimisation of Technological Processes by Solving Inverse Problem through Block-Wise-Transform-Reduction Method Using Open Architecture Sensor Platform

Optimisation of Technological Processes by Solving Inverse Problem through Block-Wise-Transform-Reduction Method Using Open Architecture Sensor Platform

Image reconstruction by solving the inverse problem in ultrasonic transmission tomography system

Dedicated algorithm based on discrete cosine transform for the analysis of industrial processes using ultrasound tomography

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