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The Walrus Operator and Positional-only Arguments

SQL
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Son Yorumlar
Hello. And Bye. | Contact Management Application

Drawing

Kategori: Computer Vision, 18 Ocak 2020
Drawing

OpenCV kütüphanesini kullanarak resim üzerinde dikdörtgen, daire, çokgen gibi geometrik şekiller çizebiliriz. Resmin üzerine yazı yazabiliriz. İlk olarak kütüphaneleri dahil edelim:

 import cv2 import numpy as np import matplotlib.pyplot as plt 
Siyah ... Devamını Oku

JanFranco | 2 | 0 | 2 min read

Basic Operations

Kategori: Computer Vision, 17 Ocak 2020
Basic Operations

Bu yazımızda bir resmi okumayı, kaydetmeyi, resmin boyutunu değiştirmeyi ve resmi flip etmeyi göreceğiz. Kütüphaneleri dahil ederek başlayalım:

 import cv2 import matplotlib.pyplot as plt 
Resmi imread methodu ile okuyalım, imshow methodu ile ... Devamını Oku

JanFranco | 5 | 0 | 1 min read

Images and NumPy

Kategori: Computer Vision, 16 Ocak 2020
Images and NumPy

Bu yazımızda resim import edeceğiz, RGB değerleri ile oynayacağız, boyutlarını göreceğiz. NumPy kütüphanesini, matplotlib kütüphanesinin pyplot methodunu ve PIL kütüphanesinin Image methodlarını import edelim:

 import numpy as np form PIL import Image import ...
		    
Devamını Oku

JanFranco | 4 | 0 | 1 min read

NumPy

Kategori: Computer Vision, 15 Ocak 2020
NumPy

Resimler, videolar üzerinde işlemler yapmadan önce NumPy kütüphanesine hakim olmamız, methodlarını kullabiliyor olmamız gerekli. NumPy matematiksel işlemler, arrayler yani listeler, matrisler üzerinde kolayca işlemler yapabilmemiz sağlayan güzel bir kütüphanedir. Kütüphanedeki her bir methodu ezbere bilmemize ... Devamını Oku

JanFranco | 4 | 0 | 4 min read

Saving and Loading Models

Kategori: Machine Learning, 08 Ocak 2020
Saving and Loading Models

Şu zamana kadar yaptığımız uygulamalarda, kullandığımız veri setleri düşük boyutluydu. Bu veri setlerinin boyutu çok büyük olabilir. Bir modeli 2 saniyede değil de haftalarca train edebiliriz. Bu train aşamasından sonra, tekrar tekrar train edip bilgisayarı ... Devamını Oku

JanFranco | 12 | 0 | 2 min read

Grid Search, Hyperparameter Optimization

Kategori: Machine Learning, 06 Ocak 2020
Grid Search, Hyperparameter Optimization

Şu ana kadar bir çok uygulama yaptık. Her uygulamada farklı modeller denedik. Bu modellerin bir çok parametresi bulunuyor. Bu parametrelerle çok fazla oynamadık fakat bu parametreler başarıyı etkileyen parametreler. Sklearn kütüphanesindeki Grid Search algoritması ile ... Devamını Oku

JanFranco | 12 | 0 | 2 min read

The Walrus Operator and Positional-only Arguments

Kategori: Python, 05 Ocak 2020
The Walrus Operator and Positional-only Arguments

Bu yazımda Python 3.8 sürümü ile birlikte gelen özelliklerin ikisinden bahsedeceğim: walrus operator ve positional only arguments.

Walrus operatörü (:=) ile değişkenleri tek satırda set edip return edebiliyoruz. Bir örnek yapalım:

 sample_data ...
		    
Devamını Oku

JanFranco | 12 | 0 | 2 min read

k-fold Cross Validation

Kategori: Machine Learning, 04 Ocak 2020
k-fold Cross Validation

Bu yazımda k-fold Cross Validation algoritmasını anlatacağım. Bu algoritmayı modellerimizin başarısını ölçmek için kullanırız. Çoğu çalışmamızda veriyi train ve test şeklinde ikiye ayırdık. Ve test kümesini standart bir oran olan 1/3 oranında almaya çalıştık.

... Devamını Oku

JanFranco | 17 | 0 | 2 min read

Linear Discriminant Analysis

Kategori: Machine Learning, 03 Ocak 2020
Linear Discriminant Analysis

Linear Discriminant Analyis, kısaca LDA bir boyut indirgeme algoritmasıdır. Aslında Principal Component Analysis ile (kısaca PCA) benzer algoritmalardır. Bu yazımda basitçe LDA algoritmasını anlatacağım ve Python üzerinde kodlamasını göstereceğim.

PCA algoritmasında amaç veriler arası ... Devamını Oku

JanFranco | 17 | 0 | 38 min read

Principal Component Analysis

Kategori: Machine Learning, 01 Ocak 2020
Principal Component Analysis

Bu yazımda Principal Components Analysis veya kısa adıyla PCA algoritmasını göreceğiz. Algoritmanın mantığını ve Python'da kodlanmasını anlatacağım. Arkasındaki matematiği bir başka yazıda anlatmayı düşünüyorum. PCA, bir boyut indirgeme uygulamasıdır. Boyuttan kastım tabi ki attribute'lar. Bir ... Devamını Oku

JanFranco | 18 | 0 | 39 min read