Geometric Feature Characterization of Apple Trees from 3D LiDAR Point Cloud Data by Md Rejaul Karim, Shahriar Ahmed, Md Nasim Reza, Kyu-Ho Lee, Joonjea Sung, Sun-Ok Chung

“…The data processing steps involved data conversion, radius outlier removal, voxel grid downsampling, denoising through filtering and erroneous points, segmentation of the region of interest (ROI), clustering using the density-based spatial clustering (DBSCAN) algorithm, data transformation, and the removal of ground points. …”
Get full text

Autonomous inverse encoding guides 4D nanoprinting for highly programmable shape morphing by Shuaiqi Ren, Zhiang Zhang, Ruokun He, Jiahao Fan, Guangming Wang, Hesheng Wang, Bing Han, Yong-Lai Zhang, Zhuo-Chen Ma

“…By tuning the laser power of each voxel at the nanoscale, the genetic code can be spatially programmed and controllable shape morphing can be realized through the inverse encoding process. …”
Get full text

Brain function abnormalities and inflammation in HIV-positive men who have sex with men with depressive disorders by Yang Zhang, Yang Zhang, Yihui He, Yihui He, Yuan Fang, Yuan Fang, Miaotian Cai, Guangqiang Sun, Guangqiang Sun, Rui Wang, Rui Wang, Jiaxin Zhen, Jiaxin Zhen, Yulin Zhang, Zhen Li, Zhen Li, Yundong Ma, Yundong Ma, Tong Zhang, Tong Zhang

“…The correlation of imaging alterations with clinical variables and peripheral blood indicators was assessed.ResultsCompared to the HIV control group, the HADD group exhibited a higher fractional amplitude of low-frequency fluctuations in the left superior parietal gyrus, lower regional homogeneity in the left precentral gyrus, and reduced voxel-wise functional connectivity for the seed region in the right precentral gyrus with clusters in the right cuneus, etc. …”
Get full text

Neuroimaging stratification reveals the striatal vulnerability to stress as a risk for schizophrenia by Xiaoqian Ma, Nana Feng, Lena Palaniyappan, Luolong Cao, Zixin Gu, Jujiao Kang, Liu Yuan, Lijun Ouyang, Yujue Wang, Chunwang Li, Ke Jin, Xiaogang Chen, Jianfeng Feng, Ying He, Qiang Luo

“…Compared with healthy controls (HC; n = 59), voxel-based and brain-wide volumetric changes and their associations with stressful life events (SLE) were tested. …”
Get full text

New rectum dose surface mapping methodology to identify rectal subregions associated with toxicities following prostate cancer radiotherapy by Artemis Bouzaki, Dylan Green, Marcel van Herk, Jane Shortall, Tanuj Puri, Sarah Kerns, David Azria, Marrie-Pierre Farcy-Jacquet, Jenny Chang-Claude, Ananya Choudhury, Alison Dunning, Maarten Lambrecht, Barbara Avuzzi, Dirk De Ruysscher, Petra Seibold, Elena Sperk, Christopher Talbot, Ana Vega, Liv Veldeman, Adam Webb, Barry Rosenstein, Catharine M. West, Eliana Gioscio, Tiziana Rancati, Eliana Vasquez Osorio, Alan McWilliam

“…The automatic contours were validated against the manual contours through contour variation assessment with cylindrical mapping. Voxel-based analysis of the dose surface maps for the manual and automatic contours against individual rectal toxicities was performed using Student’s t permutation test and Cox Proportional Hazards Model (CPHM). …”
Get full text

Quantification of Forest Regeneration on Forest Inventory Sample Plots Using Point Clouds from Personal Laser Scanning by Sarah Witzmann, Christoph Gollob, Ralf Kraßnitzer, Tim Ritter, Andreas Tockner, Lukas Moik, Valentin Sarkleti, Tobias Ofner-Graff, Helmut Schume, Arne Nothdurft

“…To this end, 19 forest inventory plots were scanned with both a personal and a high-resolution terrestrial laser scanner (TLS) for reference purposes. The voxelated point clouds obtained from the personal laser scanner were converted into raster images, providing either the canopy height, the total number of filled voxels (containing at least one LiDAR point), or the ratio of filled voxels to the total number of voxels. …”
Get full text

A Longitudinal fMRI Research on Neural Plasticity and Sensory Outcome of Carpal Tunnel Syndrome by Hao Ma, Yechen Lu, Xuyun Hua, Yundong Shen, Mouxiong Zheng, Wendong Xu

“…The correlation analysis showed a significant correlation between the decreased number of activated voxels and the improvement of EMG performance. This result implied a potential connection between fMRI measurement and clinical improvement.…”
Get full text

Deformable Models for Segmentation of CLSM Tissue Images and Its Application in FISH Signal Analysis by P. S. Umesh Adiga, B. B. Chaudhuri

“…The deformable model surface voxels are subjected to various internal and external forces derived from underlying image features as well as externally imposed constraints. …”
Get full text

Fast two dimensional to three dimensional registration of fluoroscopy and CT-scans using Octrees on segmentation maps by Luca Bertelli, Frédéric Gibou

“…The DRR generation process is the bottleneck of any three dimensional to two dimensional registration system, since its computational complexity scales with the number of voxels in the Computed Tomography Data, which can be of the order of tens to hundreds of millions. …”
Get full text

An Adaptive View Selection Algorithm for Large-scale Cone-Beam CT Reconstruction by Jingsong Lin, Singanallur Venkatakrishnan, Obaidullah Rahman, Gregery T. Buzzard, Amirkoushyar Ziabari, Charles A. Bouman

“…The first stage uses a low-resolution version of the voxelized CAD model to obtain edge information and combines it with view diversity information for the optimization in the initial iterations, while the second stage relies on a single low-resolution reconstruction based on measurements from the first stage to gather edge and view diversity information during the later iterations. …”
Get full text

High Performance 3D PET Reconstruction Using Spherical Basis Functions on a Polar Grid by J. Cabello, J. E. Gillam, M. Rafecas

“…Traditionally, the image space is modelled as a combination of cubic voxels as a matter of simplicity. After reconstruction, images are routinely filtered to reduce statistical noise at the cost of spatial resolution degradation. …”
Get full text

Multi-scale sparse convolution and point convolution adaptive fusion point cloud semantic segmentation method by Yuxuan Bi, Peng Liu, Tianyi Zhang, Jialin Shi, Caixia Wang

“…It utilizes a cross self-attention mechanism to adapt to the unique propagation features of point features and voxels, enhancing feature fusion performance. Experimental comparisons and ablation studies conducted on the SemanticKITTI and nuScenes datasets validate the generality and effectiveness of the proposed approach. …”
Get full text

A Perfusion MRI Study of Emotional Valence and Arousal in Parkinson’s Disease by Sunsern Limsoontarakul, Meghan C. Campbell, Kevin J. Black

“…A random-effects SPM analysis, corrected for multiple comparisons, identified significant clusters of contiguous voxels in which rCBF varied with valence or arousal. …”
Get full text

Gulliver – A new kind of industrial CT by Michael Salamon, Nils Reims, Dimitri Prjamkov, Michael Schmitt, Jurij Makarov, Dennis Ak, Markus Kronenberger, Katja Schladitz, Claudia Redenbach, Szymon Grzesiak, Christoph de Sousa, Catherina Thiele, Matthias Pahn

“…But also, the processing of the resulting huge data of approx. 10,000 × 10,000 × 2,000 voxels generated in the system represents a particular challenge for the image processing and evaluation to be carried out following the measurement. …”
Get full text

A Preliminary Investigation into the Neural Correlates of Knee Loading during a Change of Direction Task in Individuals after Anterior Cruciate Ligament Reconstruction by Adam Culiver, Dustin Grooms, Nathan Edwards, Laura Schmitt, James Oñate

“…Involved limb pKEM during the SV condition was positively correlated with BOLD signal in the contralateral precuneus and superior parietal lobe (Voxels: 53; p = .017; z-stat max: 6.47; MNI peak: 6, -50, 66)…”
Get full text

Fluorescence molecular imaging-guided photodynamic therapy for early breast cancer in the prone position: Feasibility evaluation with Monte Carlo simulations by Yugo Minegishi, Yasutomo Nomura

“…Monte Carlo modeling in voxelized media was performed. Fluorescence propagation from the tumor and the amount of singlet oxygen produced within the tumor were estimated from the calculated fluence. …”
Get full text

Cerebellar-cerebral circuits functional connectivity in patients with cognitive impairment after basal ganglia stroke: a pilot study by Lijun Zuo, Xinlong Lan, Yijun Zhou, Hao Liu, Yang Hu, Yongjun Wang, Yongjun Wang, Tao Liu, Zixiao Li, Zixiao Li

“…Four cerebellar seed points were selected, and the FC of each seed point with other voxels in the whole brain was calculated. FC and cognitive performance were compared between the two groups, and their correlations were analyzed.ResultsStroke patients exhibited increased FC between the bilateral cerebellum IX and BG (particularly the head of the caudate nucleus), which was positively correlated with episodic memory, visuospatial ability, and attention. …”
Get full text

Relating proton LETd to biological response of parotid and submandibular glands using PSMA-PET in clinical patients by Dirk Wagenaar, Vineet Mohan, Johannes A. Langendijk, Roel J.H.M. Steenbakkers, Wouter V. Vogel, Stefan Both

“…Parotid and submandibular gland delineations were adjusted to include voxels which had an uptake of ≥ 5 g/ml in the baseline PSMA-PET scan. …”
Get full text

Ionospheric Response to the 24–27 February 2023 Solar Flare and Geomagnetic Storms Over the European Region Using a Machine Learning–Based Tomographic Technique by Ting Li, Dunyong Zheng, Changyong He, Fei Ye, Pengfei Yuan, Yibin Yao, Mengguang Liao, Jian Xie

“…Computerized ionospheric tomography based on machine learning (CIT‐ML) was used to predict the IEDs of unobserved voxels. The IEDs were examined using observation data from the Swarm satellite. …”
Get full text

Longitudinal assessment of diffusion-weighted imaging during magnetic resonance-guided radiotherapy in head and neck cancer by Simon Boeke, Jonas Habrich, Sarah Kübler, Jessica Boldt, Fritz Schick, Konstantin Nikolaou, Jens Kübler, Cihan Gani, Maximilian Niyazi, Daniel Zips, Daniela Thorwarth

“…Absolute and relative temporal changes of mean ADC values, tumor volumes and a high-risk subvolume (HRS) defined by low ADC tumor voxels (600 < ADC < 900 × 10−6 mm2/s) were analyzed. …”
Get full text