frequency_filtering.py

# IMPORT - IMPORT
import gradio as gr
import cv2 as cv
import numpy as np
import matplotlib.pyplot as plt

# UTILS FUNCTION
def convert_to_fft(image):
    if image.ndim == 3:
        image = cv.cvtColor(image, cv.COLOR_BGR2GRAY)
    f = np.fft.fft2(image)
    fshift = np.fft.fftshift(f)
    magnitude_spectrum = 20 * np.log(np.abs(fshift) + 1)
    return magnitude_spectrum

def page_transformasi():
    gr.HTML("""
    <div style="text-align:center; padding:20px;">
        <h1 style="font-size:72px;">Transformasi Dasar</h1>
        <p style="font-size:36px;">Transformasi Fourier pada citra</p>
    </div>
    """)
    gr.Button("Kembali ke Beranda", link="/", variant="primary")
def page_home():
    with gr.Blocks() as home:
        gr.HTML("""
        <div style="text-align:center; padding:20px;">
            <h1 style="font-size:72px;">Frequency Domain Demo</h1>
            <p style="font-size:36px;">Eksperimen image processing di domain frekuensi</p>
        </div>
        """)
        gr.Button("1. Transformasi Dasar", link="/transformasi", variant="primary")
        gr.Button("2. Filtering", link="/filtering", variant="primary")
        gr.Button("3. Masking", link="/masking", variant="primary")
        gr.Button("4. Phase vs Magnitude", link="/phase-magnitude", variant="primary") # ini gatau si apaan
        # Tamba yang lain lagi
    return home

def build_app():
    with gr.Blocks() as demo:
        page_home()
    with demo.route("Transformasi Dasar", "/transformasi"):
        pass
    with demo.route("Filtering", "/filtering"):
        pass
    with demo.route("Masking", "/masking"):
        pass
    with demo.route("Phase vs Magnitude", "/phase-magnitude"):
        pass
    return demo

app = build_app()
app.launch(share=True)