Tutorial Example

Draw ROC Curve Based on FPR and TPR in Python – Sklearn Tutorial

In order to evaluate the performance of a classification model, we have to draw a roc curve based on fpr and tpr. In this tutorial, we will introduce you how to do.

Compute AUC Metric Based on FPR and TPR in Python

AUC is an important metric to evaluate the performance of a classification model. In this tutorial, we will introduce you how to compute its value.

Understand sklearn.metrics.roc_curve() with Examples – Sklearn Tutorial

sklearn.metrics.roc_curve() can allow us to compute receiver operating characteristic (ROC) easily. In this tutorial, we will use some examples to show you how to use it.

FFmpeg Command to Extract Audio From Video with Mono or Stereo in Python – Python Tutorial

In this tutorial, we will tell you how to use ffmpeg command to etract audio from a video file with mono or stereo in python.

Python Extract Audio (WAV) From Video (MP4) with Mono or Stereo – Python Tutorial

In this tutorial, we will introduce how to extract audio or voice from a video file in python with mono or stereo. We will use python moviepy library to extract.

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.