[bzoj2938][AC Automaton] Virus

... Description Binary Virus Review Committee recently found the following rule: Some certain binary strings are virus codes. If there is no virus code in a piece of code, then we call this code safe. Now that the committee has identified all the virus code segments, ask if there is an...


In the Mid-Autumn Festival, I developed an app

... Mid-Autumn Festival to recognize dogs. The Mid-Autumn Festival is a day of family reunion. The blessings of friends and WeChat groups are one after another, but for those of me who stay at home all the year round, it is impossible to understand. I hope that people will last forever, and...


Latent Semantic Analysis (LSA) Model Study Notes

... Latent Semantic Analysis (LSA) Model Study notes Latent Semantic Analysis model, implicit semantic analysis, which is the LSA model we often say. There are also his brothers PLSA and LDA models, which we will talk about later. These are the more classic models in NLP! Learning this...


9.29 water problem with the feeling

... 9.28 although not issued, but 9.28 solved a lot of difficult problems, but also did a lot of finishing and review, so Emmmm I just give myself an excuse, 咋地 A few days to share with you a toxic question 没 HDOJ 2007 #include<stdio.h> #include<stdlib.h> int main() { int n,m;...


Mouse operation event, intercept the area in the camera video, image pre-processing, identify the number

... intercept the camera video interest area (instrument digital area) through the callback function, and pre-process, then identify, the code is as follows 效果The picture below is // mouse operation event, intercepting the area in the camera video, identifying the picture #include <...


A free automatic writing article software - Aifa dog

... 爱发狗 This pseudo-original software can directly mark the replaced words, and at a glance you can see which words have been changed. There are also some online pseudo-original tools in China that, although not tagged, can be directly translated by extending sentences and text, and they...


Opencv basic (2) - use ROI to achieve image overlay

... 1, introduction ROI (region of interest), region of interest. In machine vision and image processing, the area to be processed is outlined from the processed image in the form of a box, a circle, an ellipse, an irregular polygon, etc., called a region of interest, ROI. In the machine...


The tf.clip_by_value derivative

... tf.clip_by_value( t, clip_value_min, clip_value_max, name=None ) tf.clip_by_value() is used to set the value of t less than a certain number to clip_value_min, and the value greater than a certain number to clip_value_max. However, the introduction of the official website api did not...


Ubuntu16.04 installed OpenCV3.2.0

... opencv is basically one of the CV essential kits, and the supported languages ​​are also very many, but it is a bit troublesome to install (if it is installed under conda, you can use conda install -c menpo opencv3=3.2.0). It should be noted that pip can be installed with opencv-python...


Precision, recall (Recall) and comprehensive evaluation indicators (F1-Measure)

... These parameters are often used in information retrieval and natural language processing. The following is a brief introduction: The recall rate (Precision & Recall) We look at the picture below to deepen the understanding of the concept, and then analyze it. Among them, P stands...