FGSM (Fast Gradient Sign Method) algorithm source code analysis

Paper link: https://arxiv.org/abs/1412.6572 Source code: https://github.com/Harry24k/adversarial-attacks-pytorch/tree/master Source code import torch import torch.nn as nn from ..attack import Attack class FGSM(Attack): r””” FGSM in the paper ‘Explaining and harnessing adversarial examples’ [https://arxiv.org/abs/1412.6572] Distance Measure: Linf Arguments: model (nn.Module): model to attack. eps (float): maximum perturbation. (Default: 8/255) Shape: – images: :math:`(N, C, H, W)` where `N […]

Solving AttributeError: GradientBoostingRegressor object has no attribute staged_decision_function

Table of Contents Solving AttributeError: ‘GradientBoostingRegressor’ object has no attribute ‘staged_decision_function’ Solution 1: Upgrade the sklearn version Solution 2: Use the staged_predict function instead Resolve AttributeError: ‘GradientBoostingRegressor’ object has no attribute ‘staged_decision_function’ When using ??GradientBoostingRegressor?? for gradient boosting regression, you sometimes encounter the error ??AttributeError: ‘GradientBoostingRegressor’ object has no attribute ‘staged_decision_function’??. This error is usually […]

Matlab implements image filtering, edge extraction (five operators), and sharpening (two gradient operators)

1. Experiment purpose 1. Image 3*3 mean filtering and median filtering. 2. Use gradient, sobel, and Laplacian operators to sharpen the image. 3. Use multiple operators (at least five) to extract edges from the image. Compare the characteristics of each operator, analyze the processing results, find out where in the image the processing effect is […]

Two options for gradient color of circular progress bar

Background Implement the following gradient color ring progress bar Solution When it comes to the gradient color of the circular progress bar, I believe everyone first thinks of el-progress and echarts. Now we develop these two solutions. Method 1: el-progress implementation Guide element-plus, visit the official website The official website provides a way to write […]

Image processing: Others – Anisotropic image segmentation using gradient structure tensors OpenCV v4.8.0

Previous tutorial: Demotion blur filter Next tutorial: Periodic noise removal filter Original author Karpushin Vladislav Compatibility OpenCV >= 3.0 Goals In this tutorial you will learn What is a gradient structure tensor How to estimate the direction and consistency of anisotropic images with gradient structure tensors How to segment anisotropic image with single local direction […]

[Machine Learning][Part 6]Cost Function cost function and gradient regularization

Table of Contents fitting Underfitting overfitting correct fit Methods to solve overfitting: regularization Both linear regression models and logistic regression models suffer from underfitting and overfitting. Fitting Explanation from Baidu: Data fitting, also known as curve fitting, commonly known as curve drawing, is a method of substituting existing data into a mathematical expression through mathematical […]

Create a background pattern using CSS cone gradients

This article is translated from How to create background pattern using CSS & conic-gradient, author: Temani Afif, with slight modifications. Having a good background pattern can make your website design stand out. Thanks to CSS gradients, we can create fancy and cool patterns with just a few lines of code. In this article, we will […]

Based on springboot layui dietary therapy recipe website source code

Based on springboot layui dietary therapy recipe website source code 437 Development tools: idea or eclipse Database mysql5.7 + Database link tools: navcat, Little Dolphin, etc. package com.wuye.util; import org.springframework.util.StringUtils; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.*; /** * @author hb * @date 2022-02-28 8:46 */ public class DateUtils { /** * 黮峰缑褰揿墠啞ユ桡 yyyy-MM-dd HH:mm:ss * […]