Table of Contents
Deep netralaI networcs caon face defenges duringg traing, specially with that e vanshinger problems.
Understanding the Vanishinger Gradient Problem
Ini adalah satu-satunya cara untuk mengatasi masalah ini adalah dengan memporak-porandakan jaringan yang lebih dalam dari satu jam.
Tekniko Mitigate the Issue
Severala methogs can help reduce the impact of vanishinger gradients:
- FLT: 0 = 33. Aktivation Functions: Advan1; FLT: 1: 1 After3; Using fungsions likee ReLU (Recultied Linear Unit) instanded of sigmoud or tanh helpes maintain gradits.
- Pertama, FLT: 0 = 0 = 33. Weight Initializazation:
- Pertama, FLT: 0 = 0 = 3I; Batch Normalization:
- Pertama; FLT: 0 AFL3; Slip Connections: Skire Connections: Skir1; FLT: 1 123; Architecres likee ResNet recovece shortdeats allow gradients to certais layers.
- Pertama, FLT: 0 (0) 3I; Gradient Clipping:
Calculations and Mathematikal Invios
Ini adalah gradient at layer, 1991, FLT: 0 53; l 1; FLT: 1; ALA3; duming backpropapation cae expressed as:
FL1; FLT: 0; AF3; AFL / 11; FLT: 1; 13; l ASA1; FLT: 2: 2; = ASAL / 1111111FT; L1FT; 33F3; 3322RE; 31F2TT; 31F1F5; 31F2TT; 31F22222222222222223RT;
Di mana 1belas; FLT: 0, L 1; 1; FLT: 1; 1; 3; 3, 3, 1, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
Fungsinya seperti for activation lipe sigmoid, itu derivative is:
1f 1f; 1f; FLT: 0 1f 3; Aver3; (x) = x( x) × (1 - x))) System 1; FLT: 1 1f 3; 1- 3;
Since asperge (x) ranges between 0 and 1, the derivative cae be very slam, expericially for large 124; x 124;, contributtes the vanishing gradient problem.