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c42a1038bc Update 'final-evaluation.md' 2020-06-15 13:26:55 +00:00
8ec7efaafa Zaktualizuj 'final-evaluation.md' 2020-06-15 13:22:05 +00:00
jonspacz
500f051946 Neural Network raport 2020-06-15 15:07:53 +02:00
Michał Czekański
5aaba17b2e Add printing tree decision to console 2020-06-15 14:59:37 +02:00
Michał Czekański
c5497ff291 Add proper death message when food recognition failed 2020-06-15 14:52:55 +02:00
Michał Czekański
e132a1ceaf Add beginning of final-evaluation and information about Decision Tree usage 2020-06-15 14:24:04 +02:00
Michał Czekański
7f6cec3107 Add empty final-evaluation file 2020-06-15 14:18:17 +02:00
Michał Czekański
096934f547 Neural network mygraph.png file 2020-06-15 14:15:05 +02:00
jonspacz
00bf015951 Neural Network 2020-06-08 14:52:37 +02:00
Mateusz
7e4f180bb6 Add run instruction to raport on beginning 2020-06-01 16:06:24 +02:00
Mateusz
f7c5deafda Finishing raport 2020-06-01 01:20:16 +02:00
Mateusz
9dc60c7062 Describe changes, and raport progress 2020-05-31 19:54:27 +02:00
Mateusz
2fdbf014aa my traveling raport init 2020-05-30 20:31:10 +02:00
Mateusz
1b71fe886b check entities list instead of entitiesRawData list 2020-05-30 20:30:46 +02:00
Mateusz
f6fa3b461b some refactor 2020-05-30 20:30:25 +02:00
Mateusz
c8557f3de6 good console messages 2020-05-30 20:30:09 +02:00
Mateusz
5c8a48e30d print message to console when agent take the herb works 2020-05-29 00:47:11 +02:00
Mateusz
14850cd230 random first population - herbs random spawn works 2020-05-28 23:57:27 +02:00
Mateusz
cf0a4be82f algorithm and movement work 2020-05-27 00:57:53 +02:00
Mateusz
80c72f1ba0 method that return travel as correct list work 2020-05-27 00:23:56 +02:00
Mateusz
b63be724f5 run by ga_travel parametr in game work 2020-05-26 23:50:31 +02:00
Mateusz
80b7e32f47 generate list of traveling by GA 2020-05-26 23:44:56 +02:00
Mateusz
d363120ef4 GA skelethon 2020-05-26 21:33:36 +02:00
Mateusz
87a341744c spawn 10 transparent herbs 2020-05-26 13:23:13 +02:00
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1eb62c3382 when player pickup all herbs, his statistics reset 2020-05-26 12:31:55 +02:00
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# DSZI_Survival - Sieć Neuronowa
### Autor: Jonathan Spaczyński
## Cel zastosowania w projekcie
W projekcie DSZI_Survival sieć neuronowa użyta jest do podejmowania decyzji przez agenta.
Decyzja polega na rozpoznawaniu zdjęć owoców (jabłka i gruszki). W przypadku nie rozpoznania owocu przez
agenta, dochodzi do zatrucia i agent umiera/przegrywa.
## Przygotowanie danych
* **Krok 1** Przechowywane zdjęcia owoców muszą przejść przez proces zamiany zdjęcia (.jpg) na dane, które
mogą być wykorzystane przez sieć neuronową.
```python
CATEGORIES = ["Apple", "Pear"]
IMG_SIZE = 64
training_data = []
def create_training_data():
for category in CATEGORIES:
path = os.path.join(DATADIR, category)
class_num = CATEGORIES.index(category)
for img in os.listdir(path):
try:
img_array = cv2.imread(os.path.join(path, img), cv2.IMREAD_GRAYSCALE)
new_array = cv2.resize(img_array, (IMG_SIZE, IMG_SIZE))
training_data.append([new_array, class_num])
except Exception as e:
pass
```
zdjęcia są przechowywane w tablicy training_data wraz z klasyfikacją (class_num) odpowiadającą jakim typem owocu jest zdjęcie
* **Krok 2** Bardzo ważnym krokiem jest pomieszanie danych. W przeciwnym wypadku nasz model po ciągłym otrzymywanie danych
reprezentujących tylko jedną kategorię owoców mógłby się wyuczyć, aby tylko zgadywać tą kategorię.
```python
random.shuffle(training_data)
```
* **Krok 3** Ostatnim krokiem jest zaktualizowanie danych w taki sposób żeby były z przedziału
od 0 d 255 (reprezentacja koloru danego pixela)
```python
X = X / 255.0
```
## Kilka słów na temat danych
* **Ilość Danych** Do trenowania modelu wykorzystałem 8568 zdjęć gruszek i jabłek
z czego mniej więcej połowa danych była jednym z typów ww. owoców, a druga połowa
reprezentowała pozostałą kategorią
* **Dane wykorzystane do obliczenia skutecznośći** stanowiły małą i oddzielną część danych wykorzystanych do trenowania.
## Model
* **Dane wejściowe:** Dane o kształcie 64x64 reprezentujące pixele w zdjęciach owoców
* **Warstwa ukryta:** Składająca się z 128 "neuronów" wykorzystującą sigmoid jako funkcję aktywacyjną
* **Warstwa wyjściowa:** Składająca się z 2 "neuronów" reprezentujących gruszkę i jabłko
* **Stała ucząca:** 0.001
```python
model = tf.keras.Sequential([
tf.keras.layers.Flatten(input_shape=(64, 64)),
tf.keras.layers.Dense(128, activation=tf.nn.sigmoid),
tf.keras.layers.Dense(2, activation=tf.nn.sigmoid)
])
model.compile(tf.keras.optimizers.Adam(lr=0.001),
loss="sparse_categorical_crossentropy",
metrics=["accuracy"])
```
## Osiągniecia modelu
* **Trafność:** 86.4%
* **Strata:** 0.312

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