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  • Data processing and image reconstruction

    2007-6-11 · Semiconductor single-particle-counting pixel detectors offer many advantages for radiation imaging: high detection efficiency, energy discrimination, noiseless digital integration (counting), high frame rate and virtually unlimited dynamic range. All these properties allow to achieve high quality images.

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  • A brief review on 2D and 3D image

    2020-8-7 · CS enables the single-pixel camera to reduce the number of measurements required for reconstruction thereby reduction in data storage and data transfer requirements. For a greyscale image a 2D array is used, in which the value of each element represents the reflectivity of the scene at the corresponding spatial location.

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  • Pixel-to-Pixel Image Alignment and 3D

    In theory the transformed image should now be aligned to the reference image at a pixel-to-pixel level. In fact, since the x and y shifts are …

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  • Infrared image super-resolution reconstruction

    2020-10-23 · The recursive-attention module is used to extract high-frequency information from the feature maps, suppress useless information, and enhance the expressiveness of the features, which facilitates the reconstruction of texture details of infrared images.

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  • A review of 3D reconstruction techniques in civil ...

    2018-8-1 · Mesh reconstruction is necessary for some application requirements due to two reasons: (1) compared to dense point clouds, mesh models obtained from mesh reconstruction are the better choice for visualization of the objects of interest ; (2) mesh models can be used for subsequent applications, such as crack detection , .

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  • Multi-scale convolutional neural network for pixel

    2019-9-6 · This paper first formulates digital reconstruction of drawings as a pixel-wise prediction problem and then proposes a learning framework to predict reduced-fading images from given fading images by learning the mapping from examples or training data, where both reduced-fading and fading images are given.

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  • 3-D shape reconstruction of non-uniform

    2021-2-25 · It selects the appropriate body chromaticity for each pixel, and uses the least square method to separate the diffuse reflection component and specular reflection component in the two-color ...

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  • A revolutionary imaging technique uses a single

    2019-4-10 · A revolutionary imaging technique uses a single pixel to fill our terahertz blind spot Terahertz waves provide a unique view of the world but have always been hard to detect. That looks set to change.

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  • Single-pixel imaging of dynamic objects using

    2021-4-8 · Single-pixel imaging (SPI) enables the visualization of objects with a single detector by using a sequence of spatially modulated illumination patterns.

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  • Data processing and image reconstruction

    2007-6-11 · Another approach uses an iterative scheme of tomographic reconstruction. A typical algorithm which uses iterative approach is based on Expectation Maximization (EM) . In the first iteration the uniform “trial” object is taken into account and its projections are computed (using even a very sophisticated physical model).

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  • Pixel-level Reconstruction and Classification for

    2018-6-21 · The Character Reconstruction Network uses the map responses from the hidden layers of a previously trained CNN as features for pixel-wise classification. The CRN segments the pixels representing the characters from the rest of the pixels. It uses the map responses to the noisy images obtained when they are fed to the pretrained …

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  • Review of Image Reconstruction by Interpolation

    2019-7-1 · denoising, enhancement. Reconstruction quality of any image interpolation algorithm depends on it’s ability to adapt changing pixel structures across image. Interpolation is method of creating new data points from set of available or known data points which helps in analyzing exact details of images which is required in

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  • An Effective Similar-Pixel Reconstruction of the

    2019-2-1 · This website uses cookies to ensure you get the best experience. ... An Effective Similar-Pixel Reconstruction of the High-Frequency Cloud-Covered Areas of Southwest China ... which benefits the LST reconstruction in the area frequently covered by large clouds. Keywords.

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  • Impact of slice thickness, pixel size, and CT dose

    2020-6-26 · each pixel, and the quality cost of sometimes guessing wrong. Like MLAA [Reshetov 2009; Jimenez et al. 2011], our algorithm requires only one shading sample per pixel and uses shading from adjacent pixels to increase apparent resolution. But MLAA relies only on final colors, so it applies heuristic rules that can fail to iden-

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  • Subpixel Reconstruction Antialiasing for Deferred

    CT acquisition and reconstruction parameters investigated are slice thickness, pixel size, and CT dose. Previous studies from Ger et al. and Berthelet et al. have shown quantitative image analyses such as radio-mics analysis and segmentation are impacted by different choice in slice thickness, pixel size, and CT dose.18,19 The purpose of this study

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  • Impact of slice thickness, pixel size, and CT dose on

    2019-4-10 · A revolutionary imaging technique uses a single pixel to fill our terahertz blind spot Terahertz waves provide a unique view of the world but have always been hard to detect. That looks set to change.

    Get Price
  • A revolutionary imaging technique uses a single

    2020-6-10 · Image-based 3D Object Reconstruction: The Latest Technologies and Trends in the Era of Deep Learning (Overview and Coding)0.概述三维重建是一个长期存在的不适定问题,已经被计算机视觉、计算机图形学和机器学习界探索了几十年。自2015年 ...

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  • Review of Image Reconstruction by Interpolation

    2019-7-1 · denoising, enhancement. Reconstruction quality of any image interpolation algorithm depends on it’s ability to adapt changing pixel structures across image. Interpolation is method of creating new data points from set of available or known data points which helps in analyzing exact details of images which is required in

    Get Price
  • Subpixel Reconstruction Antialiasing for Deferred

    2020-6-26 · each pixel, and the quality cost of sometimes guessing wrong. Like MLAA [Reshetov 2009; Jimenez et al. 2011], our algorithm requires only one shading sample per pixel and uses shading from adjacent pixels to increase apparent resolution. But MLAA relies only on final colors, so it applies heuristic rules that can fail to iden-

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  • Pixel Recurrent Neural Networks

    2018-10-17 · Pixel Recurrent Neural Networks x 1 x i x n x n2 Context x n2 Multi-scale context x 1 x i n x n2 R G B R G B R G B Mask A Mask B Context Figure 2. Left: To generate pixel x i one conditions on all the pre-viously generated pixels left and above of x i. Center: To gen-erate a pixel in the multi-scale case we can also condition on the subsampled ...

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  • Single-Pixel Imaging and Its Application in Three ...

    2019-2-11 · approaches: matching pursuit and basis pursuit [70]. This is a perfect match for single-pixel imaging, which uses (pseudo) random masks to sample the scene and requires a large number of measurements to yield a good reconstruction. In a nutshell, for single-pixel imaging via compressive sensing, if the

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  • A Survey on 3D Ultrasound Reconstruction

    2019-4-27 · The reconstruction method and 3D visualization will be emphasized. The reconstruction method includes the pixel-based method, volume-based method, and function-based method, accompanied with their benefits and drawbacks. In the 3D visualization, methods such as multiplanar reformatting, volume rendering, and surface …

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  • Impact of slice thickness, pixel size, and CT dose on

    CT acquisition and reconstruction parameters investigated are slice thickness, pixel size, and CT dose. Previous studies from Ger et al. and Berthelet et al. have shown quantitative image analyses such as radio-mics analysis and segmentation are impacted by different choice in slice thickness, pixel size, and CT dose.18,19 The purpose of this study

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  • Unified Reconstruction of Raw HDR Video Data -

    2016-1-1 · The reconstruction framework described in this chapter unifies these steps into a single processing operation. Based on a general image formation model that includes both multisensor and spatially multiplexed capturing system, the reconstruction takes into account the entire set of nonsaturated low dynamic range samples available around the output HDR pixel…

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  • PIFu: Pixel-Aligned Implicit Function for High

    2020-6-10 · Image-based 3D Object Reconstruction: The Latest Technologies and Trends in the Era of Deep Learning (Overview and Coding)0.概述三维重建是一个长期存在的不适定问题,已经被计算机视觉、计算机图形学和机器学习界探索了几十年。自2015年 ...

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  • Example Based 3D Reconstruction from Single 2D

    2021-5-13 · Example Based 3D Reconstruction from Single 2D Images Tal Hassner and Ronen Basri The Weizmann Institute of Science ... method uses a database of objects from a single class (e.g. hands, human figures) containing example patches of fea- ... is insufficient for reconstruction. • The depth at each pixel is selected independently of its …

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  • An Effective Similar-Pixel Reconstruction of the

    2019-2-1 · This website uses cookies to ensure you get the best experience. ... An Effective Similar-Pixel Reconstruction of the High-Frequency Cloud-Covered Areas of Southwest China ... which benefits the LST reconstruction in the area frequently covered by large clouds. Keywords.

    Get Price
  • Single-Pixel Imaging and Its Application in Three ...

    2019-2-11 · approaches: matching pursuit and basis pursuit [70]. This is a perfect match for single-pixel imaging, which uses (pseudo) random masks to sample the scene and requires a large number of measurements to yield a good reconstruction. In a nutshell, for single-pixel imaging via compressive sensing, if the

    Get Price
  • A Survey on 3D Ultrasound Reconstruction

    2019-4-27 · The reconstruction method and 3D visualization will be emphasized. The reconstruction method includes the pixel-based method, volume-based method, and function-based method, accompanied with their benefits and drawbacks. In the 3D visualization, methods such as multiplanar reformatting, volume rendering, and surface …

    Get Price
  • Survey of single image super-resolution reconstruction

    estimating the pixel value of a particular position between image pixels [1]. Image interpolation generates high-resolution (HR) images by up-sampling low-resolution (LR) images [2]. On the other hand, since image super-resolution reconstruction is an ill-posed problem, regularisation is widely used as a method to solve the ill-posed problem [3].

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  • A revolutionary imaging technique uses a single

    2019-4-10 · A revolutionary imaging technique uses a single pixel to fill our terahertz blind spot Terahertz waves provide a unique view of the world but have always been hard to detect. That looks set to change.

    Get Price
  • Object classification through a single-pixel detector

    2021-4-1 · We propose Fourier microscopy based on single-pixel imaging, which uses structured light to computationally illuminate a sample and uses a two-dimensional (2D) pixelated detector to capture the Fourier spectrum image in …

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  • Fourier microscopy based on single-pixel

    2021-2-19 · The reconstruction results of each sub network and the corresponding scale tags are calculated at the pixel level, and the tags of different scales jointly guide the reconstruction, so as to reduce the loss of high-frequency details in …

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  • Data processing and image reconstruction

    2007-6-11 · Another approach uses an iterative scheme of tomographic reconstruction. A typical algorithm which uses iterative approach is based on Expectation Maximization (EM) . In the first iteration the uniform “trial” object is taken into account and its projections are computed (using even a very sophisticated physical model).

    Get Price
  • Review of Image Reconstruction by Interpolation

    2019-7-1 · denoising, enhancement. Reconstruction quality of any image interpolation algorithm depends on it’s ability to adapt changing pixel structures across image. Interpolation is method of creating new data points from set of available or known data points which helps in analyzing exact details of images which is required in

    Get Price
  • Using MCycleGAN to Realize High-Resolution

    High-resolution reconstruction of solar speckle image is one of the important research contents in astronomical image processing. High-resolution image reconstruction based on deep learning can obtain the end-to-end mapping function from low-resolution image to high-resolution image through neural network model learning, which can recover the …

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  • Impact of slice thickness, pixel size, and CT dose

    2021-3-29 · To investigate the impact of computed tomography (CT) image acquisition and reconstruction parameters, including slice thickness, pixel size, and dose, on automatic contouring algorithms. Methods. Eleven scans from patients with head-and-neck cancer were reconstructed with varying slice thicknesses and pixel sizes.

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  • Impact of slice thickness, pixel size, and CT dose on

    CT acquisition and reconstruction parameters investigated are slice thickness, pixel size, and CT dose. Previous studies from Ger et al. and Berthelet et al. have shown quantitative image analyses such as radio-mics analysis and segmentation are impacted by different choice in slice thickness, pixel size, and CT dose.18,19 The purpose of this study

    Get Price
  • GitHub - atiyo/deep_image_prior: Image

    2020-2-11 · An implementation of image reconstruction methods from Deep Image Prior (Ulyanov et al., 2017) in PyTorch. The point of the paper is to execute some common image manipulation tasks using neural networks untrained on data prior to use. Architectures differ from those used in the actual paper.

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  • Deep learning optimized single-pixel LiDAR:

    2019-12-2 · Single-pixel imaging methods offer an alternative approach to spot-scanning, which allows a choice of sampling basis. In this work, we present a prototype LiDAR system, which compressively samples the scene using a deep learning optimized sampling basis and reconstruction algorithms.

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  • OSA | Single-pixel imaging in the presence of

    imreconstruct uses the fast hybrid grayscale reconstruction algorithm described in [1]. References [1] Vincent, L., 'Morphological Grayscale Reconstruction in Image Analysis: Applications and Efficient Algorithms,' IEEE Transactions on Image Processing , Vol. 2, No. 2, April, 1993, pp. 176-201.

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