When we are comparing two images, we have to compute the similarity score between them. In this tutorial, we will compute its similarity score using python opencv sift.
When we are using python opencv to compare the similarity of two images, we may get this error: AttributeError: module ‘cv2’ has no attribute ‘xfeatures2d’.
In speaker verification task, we often use EER to measure the performance of a deep learning model. However, if you also need to compute Recall, we will tell you how to do in this tutorial.
Sound amplitude gives us some very useful information when we are processing an audio file. In this tutorial, we will introduce you how to display it.
We often need to compress a folder or directory to a .zip file. In linux, we can use zip command to implement.
We often need to subtract two datetime in python. In this tutorial, we will introduce you how to do.
In this tutorial, we will introduce how to install ffmpeg in linux offline, it is very easy to do by our steps.
When we are installing ffmpeg in linux, we may get this error: nasm/yasm not found or too old. Use –disable-x86asm for a crippled build. In this tutorial, we will introduce you how to fix it.
In order to extract audio mfcc feature, we can use python librosa and python_speech_features. However, we can find the mfcc result is different between them.
When i use phpmyadmin to add a full text index for wp_posts table, i get this error: “#1067 – Invalid default value for ‘post_date'”. In this tutorial, we will introduce how to fix this problem.