Implementing and Training a LeNet-5 Variant with PyTorch
Model Definition
File: model.py
import torch
import torch.nn as nn
from torchsummary import summary
class LeNet5Variant(nn.Module):
def __init__(self, input_channels=1, num_classes=10):
super().__init__()
# First convolutional block
self.conv_block_1 = nn.Sequential(
nn.Conv2d(input_channels, 6, kernel_ ...
Posted on Sat, 07 Nov 2026 16:05:14 +0000 by saandel
Time Series Forecasting with Backpropagation Neural Networks
Time series forecasting requires transforming sequential observations into a supervised learning format. A sliding window approach maps historical values to future targets. Given a continuous sequence, a fixed window size creates input-output pairs where past observations serve as features and subsequent values act as labels.
Data Transformatio ...
Posted on Thu, 05 Nov 2026 16:29:24 +0000 by hofdiggity
Understanding YOLO Training and Validation Metrics
During training and evaluation of a YOLO (You Only Look Once) object detection model, the console output provides key insights into performance and resource usage. Below is a breakdown of the typical metrics shown:
Training Log Example
Epoch GPU_mem box_loss obj_loss cls_loss Instances Size
49/49 7.55G 0.03141 0.05 ...
Posted on Thu, 05 Nov 2026 16:16:13 +0000 by p2003morris
Encoder and Decoder Architecture in Deep Learning
Encoder
The encoder interface accepts variable-length sequences as input X. Any model that inherits from the base Encoder class implements the actual encoding logic.
from torch import nn
class Encoder(nn.Module):
"""Base encoder interface for encoder-decoder architecture"""
def __init__(self, **kwargs):
...
Posted on Wed, 04 Nov 2026 16:06:51 +0000 by Avalanche
Implementing Face Verification with PyTorch and FaceNet
A robust face recognition pipeline generally comprises three core components: a detection module, a feature extraction engine, and a matching classifier. The process begins with locating facial regions within an input image. Once detected, these regions of interest (ROI) are passed to the recognition module, which outputs a set of feature vecto ...
Posted on Mon, 02 Nov 2026 16:50:15 +0000 by seenu_vas80
Training a CIFAR-10 Classifier Using Caffe Framework
Implementing Alex Krizhevsky’s convolutional neural network architecture within the Caffe ecosystem provides a practical baseline for image classification tasks. The folllowing guide outlines the complete workflow for acquiring the CIFAR-10 dataset, configuring the solver, executing the training cycle, and interpreting the resulting performance ...
Posted on Sun, 01 Nov 2026 16:11:42 +0000 by Spades
Multilayer Perceptron Implementation with PyTorch
Model Definition
To implement a multilayer perceptron using PyTorch, we begin by importing the necessary libraries and modules.
import torch
import torch.nn as nn
from torch.nn import init
import numpy as np
import sys
sys.path.append("..")
import d2lzh_pytorch as d2l
The architecture differs from softmax regression by including an ...
Posted on Tue, 27 Oct 2026 16:33:12 +0000 by matchew
Gumbel-Softmax Technique and Gumbel Distribution
While studying the MADDPG paper, I encountered the use of the Gumbel-Softmax estimator in discrete communication environments. Further exploration revealed that this technique has broad applications, including various GANs in deep learning and algorithms like A2C and MADDPG in reinforcement learning. The Gumbel-Softmax Trick can be applied when ...
Posted on Tue, 20 Oct 2026 16:32:16 +0000 by Levan
Advanced Variants of Non-Maximum Suppression and Loss Functions in Deep Learning
Non-Maximum Suppression and Its Variants
Standard NMS: Non-Maximum Suppression removes redundant detection boxes by suppressing non-maximum scored boxes based on an Intersection over Union (IoU) threshold.
Limitations:
Requires a manually set IoU threshold, which critically impacts detection performance for overlapping objects.
Hard suppressio ...
Posted on Tue, 20 Oct 2026 16:22:27 +0000 by codrgii
Implementing Neural Network Visualization in Python: A Technical Analysis
Implementing Neural Network Visualization in Python: A Technical Analysis
The ANN Visualizer library represents a powerful Python tool designed specifically for visualizing artificial neural networks, enabling developers and learners to intuitively understand network architecture and layer relationships. Through straightforward API calls, compl ...
Posted on Sat, 17 Oct 2026 16:20:42 +0000 by mrdance