4 DICOM imaging protocol coding implementation - Metadata group analysis

The following links are the shortcomings of this series of articles, which can be discussed in the comments area: Series articles   corresponding column of this article Explain DICOM protocol from zero - imaging protocol Articles in Analysis of DICOM imaging protocol and Implementation of DICOM imaging protocol , it is recommended to read ...

Posted by ant peacocke on Wed, 17 Nov 2021 15:45:54 -0800

Implementation of pytorch in U-Net

brief introduction Please click here to view the U-Net paper . U-Net was originally used for cell recognition. For a small amount of training data, the author achieved good results and won the championship through data enhancement. After modification, U-Net can also be used for other purposes. The author of the U-Net paper has provided the ve ...

Posted by maxic0 on Tue, 16 Nov 2021 16:33:51 -0800

Python makes mosaic images

Python makes mosaic images 200 lines of Python code complete the script for generating mosaic pictures Knowledge points What is RGBHSV color spacePython BasicsIncluding the use of the pilot libraryUse of multiprocessing LibraryPrinciple of making mosaic image effect: You can generate pictures similar to the following: After zooming ...

Posted by mattonline on Mon, 15 Nov 2021 23:58:41 -0800

Option critical code analysis

Option critical code analysis 1.option-critic_network.py analysis a. State Network state_ The model performs three-layer convolution on the input, compresses it into a one-dimensional vector, and inputs it to the full connection layer to obtain flatted * weights4 + bias1.My understanding: this process is to extract the features in the imag ...

Posted by chawkimatta on Thu, 11 Nov 2021 22:02:29 -0800

For python, Opencv learning notes -- 3

preface opencv version 4.1.2.30 (4. X > = version) and my version 4.5.3 are required 1, LUT There is only one threshold in the threshold comparison method described above. If you need to compare with multiple thresholds, you need to use a look-up table (LUT). LUT is a gray value mapping table, which takes the gray image value as the ...

Posted by mikwit on Wed, 10 Nov 2021 19:41:40 -0800

ResNet18 is introduced and used to classify CIFAR-10 data sets

ResNet, an article published by he Kaiming on CVPR in 2015, uses the concept of residual connection. As soon as the paper was published, it directly detonated the whole cv world. And ResNet won the first place on ImageNet in 2016. ResNet has been used in cutting-edge technologies in various fields of AI. I would be satisfied if I cited one ten ...

Posted by timtom3 on Wed, 10 Nov 2021 10:11:05 -0800

Intelligent transportation day01-03_imutils

1. Introduction to imutils function imutils is a package based on OPenCV, which can call the OPenCV interface more simply. It can easily realize a series of operations such as image translation, rotation, scaling, skeletonization and so on. Installation method: pip install imutils Confirm that numpy,scipy,matplotlib and opencv are installe ...

Posted by shiflett on Wed, 10 Nov 2021 05:16:34 -0800

OpenCV basic tutorial - image digitization

1. Image digitization 1.1 Mat class in initial OpenCV 1.1.1 initial Mat The constructor of Mat class is as follows: Mat(int rows, int cols, int type) Where, type represents the type, including the number of channels and their data types. CV_8UC(n): uchar type occupying 1 byte CV_8SC(n): char type occupying 1 byte CV_16UC(n): ushor ...

Posted by mesz on Tue, 09 Nov 2021 13:47:13 -0800

[Python image recognition] 48. Pytoch constructs fast RCNN model to realize wheat target detection

This series of articles is to explain Python OpenCV image processing knowledge. In the early stage, it mainly explains the introduction of image and the basic usage of OpenCV. In the middle stage, it explains various algorithms of image processing, including image sharpening operator, image enhancement technology, image segmentation, etc. in th ...

Posted by Wales on Sun, 07 Nov 2021 19:28:24 -0800

[medical image processing] 5 basic operations between images (point, arithmetic and geometric operations)

   1 point operation    features: the input image and output image are point-to-point copy operations. In this copy process, the gray value will be converted. This conversion operation can be linear or nonlinear. It can be expressed as:    application: contrast enhancement, contrast stretching, image gray translation ...

Posted by AdRock on Sun, 07 Nov 2021 14:22:04 -0800