... The estimation of the blind deconvolution and the blur kernel is very challenging and famous problem in the image processing and real world of computer vision [1]. In the many decades of image processing topic can ...

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... Dimensional **Point** **Spread** **Function**) used for biological image restoration processing determines the restoration effect and restoration time ...

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... As one of the most widespread techniques in biological investigation and dynamic process, light compound microscopy has used to analyze the optical properties of biological images. The optical microscope is often used to ...

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... which is widely used in evaluation of glucose metabolism, is prone to biological and technical factors (4-6). The SUVs, however, can vary depending on the method of reconstruction and parameters that are used (7-11). ...

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... when **point** **spread** **function** (PSF) modeling is included in reconstruction, MBF esti- mates from 82 Rb PET may be higher [16]; however, such calculations were performed using an extraction model [11] ...

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... PSF: **point** **spread** **function**; ROI: region of interest; SNR: signal-to-noise ratio; SUV: standardised uptake value; TLG: total lesion glycolysis; TOF: time of flight; UHD: Siemens ultraHD·PET ...

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... a **point** **spread** **function** (PSF), and PSF information was incorporated into a three-dimensional (3D) iterative re- construction [4, ...a **point** source within the scanner and acquiring scan data at ...

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... estimated **point** **spread** **function** is tested by using it to deconvolve images of a scene containing manufactured objects with good reflective ...the **point** **spread** **function** estimation ...

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... 3D-PSF can be viewed as a three-dimensional matrix in discrete spatial. Its different cross-sections (x-y) along the central axis (optical axis or z-axis) of double funnel are corresponding to radial 2D-PSF (Two ...

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... This thesis has presented a novel computational imaging approach to sensor protection using **point** **spread** **function** engineering to redistribute laser light on the sensor effectively reducing its peak ...

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... the **Point** **Spread** **Function** (PSF) of focused and defocused image acquisition systems, such as digital TV ...transfer **function** for the entire system can be ...

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... Higher resolutions are achievable with the development of field emission electron guns, which deliver higher brightness and smaller electron energy **spread** compared to earlier gun models (Egerton, 2010). Low ...

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... as **function** of iterations (we stopped at 6 iterations 21 subsets, which is more than commonly ...a **function** of lesion size (SUV curve) up to 12 mm ...

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... 2 In particular, we applied inverse filter, pseudoinverse filter least- squares , constrained least- squares filter and ·w iener filter in frequency domain to est imate the original real[r] ...

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... The method predicts the land cover proportions at a finer spatial resolution inversely from the original coarse proportions before predicting the enhanced proportions i.e., the final pre[r] ...

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... DOI: 10.4236/opj.2019.911015 166 Optics and Photonics Journal vestigated the statistical optical properties of fully developed speckle pattern. They considered the random phases of the interfering waves are uniformly ...

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... in the pixel i.e., spectral unmixing predictions, and Lk Vij is the coarse proportion estimated as convolution.. of the current SPM realization.[r] ...

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... Images of a checkerboard pattern perpendicular to the camera's optical aXIs were obtained using the Basler A631 fc colour camera and the 24mm Sigma photographic lens for six equally spac[r] ...

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... Without PSF- blind image deconvolution- in which blurring operator kernel is unknown that means image recovery is performed without degrading **Point** **Spread** **Function** which is more difficult. Blind ...

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... Focal blur caused by a finite depth-of-field and finite point spread function. Penumbral blur caused by shadows created by light sources of non-zero radius. Edge detection is not a[r] ...

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