Tutorial Example

numpy.clip(): Limit NumPy Array in [min, max] – NumPy Tutorial

numpy.clip() function can limit a numpy array in [min, max]. In this tutorial, we will use some examples to show you how to use it.

Compute Two Images Similarity Using Python OpenCV and SIFT – Python OpenCV Tutorial

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.

Fix AttributeError: module ‘cv2’ has no attribute ‘xfeatures2d’ – Python OpenCV Tutorial

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’.

Compute Recall Based on EER in Speaker Verification – Deep Learning Tutorial

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.

Display Sound Amplitude in Python: A Step Guide – Python Librosa 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.

Compress or ZIP a Folder Using Linux zip Command: A Beginner Guide – Linux Tutorial

We often need to compress a folder or directory to a .zip file. In linux, we can use zip command to implement.

Python Subtract Datetime Between Two Different Datetime – Python Tutorial

We often need to subtract two datetime in python. In this tutorial, we will introduce you how to do.

Install FFmpeg in Linux Offline: A Step Guide – Linux Tutorial

In this tutorial, we will introduce how to install ffmpeg in linux offline, it is very easy to do by our steps.

Fix nasm/yasm not found or too old. Use –disable-x86asm for a crippled build Error – Linux Tutorial

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.

Understand MFCC Difference Between Python librosa and python_speech_features – Python Tutorial

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.