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姚越's Projects

airtoolsii icon airtoolsii

The AIR Tools II toolbox for MATLAB accompanies the publication "AIR Tools II: algebraic iterative reconstruction methods, improved implementation", Hansen, P. C. & Jørgensen, J. S. Numer Algor (2017).

dl-docker icon dl-docker

An all-in-one Docker image for deep learning. Contains all the popular DL frameworks (TensorFlow, Theano, Torch, Caffe, etc.)

dsp_coursedesign icon dsp_coursedesign

电子科技大学挑战性课程《信号处理系统》(原信号与系统+数字信号处理)课程课程设计

multiyolov5 icon multiyolov5

joint detection and semantic segmentation, based on ultralytics/yolov5,

pa_reconstruction icon pa_reconstruction

a python program to generate simulating photoacoustic signals, reconstruct it on 2d plane and 3d space

pam_dataset icon pam_dataset

The Duke PAM dataset contains OR-PAM images collected at 532 nm, and is managed by Dr. Junie Yao's Photoacoustic Imaging Lab at Duke University.

pam_dl_upsampling icon pam_dl_upsampling

This project contains the continued work to perfect a model for upsampling undersampled Photoacoustic Microscopy (PAM) images.

pat icon pat

inverse problem toolbox for hybrid diffusive photoacoutic and optical tomography

patimagereconstruction icon patimagereconstruction

Matlab codes for PAT image reconstruction from subsampled data based on a novel regularisation term (Hessian Schatten-norm of the filtered image by Gaussian function), using k-Wave Matlab toolbox, FISTA and ADMM algorithm

qpatdiff icon qpatdiff

Quantitative photoacoustic tomography with the diffusion model for light propagation

segment-anything icon segment-anything

The repository provides code for running inference with the SegmentAnything Model (SAM), links for downloading the trained model checkpoints, and example notebooks that show how to use the model.

superiorized-photo-acoustic-non-negative-reconstruction-for-clinical-photoacoustic-imaging icon superiorized-photo-acoustic-non-negative-reconstruction-for-clinical-photoacoustic-imaging

Photoacoustic (PA) imaging can revolutionize medical ultrasound by augmenting it with molecular information. However, clinical translation of PA imaging remains a challenge due to the limited viewing angles and imaging depth. Described here is a new robust algorithm called Superiorized Photo-Acoustic Non-NEgative Reconstruction (SPANNER), designed to reconstruct PA images in real-time and to address these limitations. The method utilizes precise forward modeling of the PA propagation and reception of signals while accounting for the effects of acoustic absorption, element size, shape, and sensitivity, as well as the transducer's impulse response and directivity pattern. A fast superiorized conjugate gradient algorithm is used for inversion. SPANNER is compared to three reconstruction algorithms: delay-and-sum (DAS), universal back-projection (UBP), and model-based reconstruction (MBR). All four algorithms are applied to both simulations and experimental data acquired from tissue-mimicking phantoms, ex vivo tissue samples, and in vivo imaging of the prostates in patients. Simulations and phantom experiments highlight the ability of SPANNER to improve contrast to background ratio by up to 20 dB compared to all other algorithms, as well as a 3-fold increase in axial resolution compared to DAS and UBP. Applying SPANNER on contrast-enhanced PA images acquired from prostate cancer patients yielded a statistically significant difference before and after contrast agent administration, while the other three image reconstruction methods did not, thus highlighting SPANNER's performance in differentiating intrinsic from extrinsic PA signals and its ability to quantify PA signals from the contrast agent more accurately.

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