changed cnn architecture

This commit is contained in:
2026-05-04 23:02:35 +02:00
parent 0cad8d0ee5
commit b6b55a8819
11 changed files with 53 additions and 47 deletions
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import torch
import torch.nn as nn
import torchvision
from torchvision import datasets, transforms
from torch.utils.data import DataLoader, random_split
import matplotlib.pyplot as plt
from bird_cnn import Bird_CNN, sample, trainCNN
from enum import Enum
from PIL import Image
SAVE_PATH = "./saved_models"
IMAGE_SIZE = 64
class bird_species(Enum):
Common_Kingfisher = 0
CommonMyna = 1
House_Crow = 2
Indian_Peacock = 3
Indian_Pitta = 4
Ruddy_Shelduck = 5
Sarus_Crane = 6
transform = transforms.Compose([
transforms.Resize(IMAGE_SIZE),
transforms.CenterCrop(IMAGE_SIZE),
transforms.ToTensor()
])
dataset = datasets.ImageFolder("data/train", transform=transform)
train_size = int(0.8 * len(dataset))
val_size = len(dataset) - train_size
train_dataset, val_dataset = random_split(dataset, [train_size, val_size])
train_loader = DataLoader(train_dataset, batch_size=32, shuffle=True)
val_loader = DataLoader(val_dataset, batch_size=32, shuffle=False)
device = torch.device("cpu") if not torch.cuda.is_available() else torch.device("cuda:0")
print("Using device", device)
model = Bird_CNN(c_in=3, c_hidden=16, c_out=7)
model.to(device)
optimizer = torch.optim.Adam(model.parameters(), lr=1e-3, weight_decay=1e-4)
loss_module = nn.CrossEntropyLoss()
trainCNN(model, optimizer, loss_module, train_loader, val_loader, device, 50, SAVE_PATH=SAVE_PATH, save=True)
exit()
image_path = "test1.jpg"
image = Image.open(image_path).convert("RGB")
image = transform(image)
image = image.unsqueeze(0)
confidence, pred = sample(model=model, img=image, device=device, SAVE_PATH=SAVE_PATH)
print(f"Species: {bird_species(pred.item()).name} | Confidence: {int(confidence.item()*100)/100}")