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import cv2 |
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import numpy as np |
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import gradio as gr |
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def apply_gaussian_blur(frame): |
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return cv2.GaussianBlur(frame, (15, 15), 0) |
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def apply_sharpening_filter(frame): |
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kernel = np.array([[0, -1, 0], [-1, 5,-1], [0, -1, 0]]) |
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return cv2.filter2D(frame, -1, kernel) |
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def apply_edge_detection(frame): |
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return cv2.Canny(frame, 100, 200) |
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def apply_invert_filter(frame): |
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return cv2.bitwise_not(frame) |
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def adjust_brightness_contrast(frame, alpha=1.0, beta=50): |
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return cv2.convertScaleAbs(frame, alpha=alpha, beta=beta) |
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def apply_grayscale_filter(frame): |
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return cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY) |
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def apply_sepia_filter(frame): |
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sepia_filter = np.array([[0.272, 0.534, 0.131], |
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[0.349, 0.686, 0.168], |
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[0.393, 0.769, 0.189]]) |
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return cv2.transform(frame, sepia_filter) |
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def apply_bilateral_filter(frame): |
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return cv2.bilateralFilter(frame, 9, 75, 75) |
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def apply_darkening_filter(frame, alpha=0.5): |
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return cv2.convertScaleAbs(frame, alpha=alpha, beta=0) |
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def apply_histogram_equalization(frame): |
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if len(frame.shape) == 2: |
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return cv2.equalizeHist(frame) |
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else: |
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ycrcb = cv2.cvtColor(frame, cv2.COLOR_BGR2YCrCb) |
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channels = cv2.split(ycrcb) |
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cv2.equalizeHist(channels[0], channels[0]) |
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ycrcb = cv2.merge(channels) |
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return cv2.cvtColor(ycrcb, cv2.COLOR_YCrCb2BGR) |
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def apply_median_blur(frame): |
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return cv2.medianBlur(frame, 15) |
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def apply_dilation(frame, kernel_size=5): |
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kernel = np.ones((kernel_size, kernel_size), np.uint8) |
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return cv2.dilate(frame, kernel, iterations=1) |
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def apply_erosion(frame, kernel_size=5): |
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kernel = np.ones((kernel_size, kernel_size), np.uint8) |
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return cv2.erode(frame, kernel, iterations=1) |
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def apply_line_detection(frame): |
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gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY) |
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edges = cv2.Canny(gray, 50, 150, apertureSize=3) |
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lines = cv2.HoughLines(edges, 1, np.pi/180, 200) |
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if lines is not None: |
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for rho, theta in lines[:,0]: |
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a = np.cos(theta) |
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b = np.sin(theta) |
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x0 = a * rho |
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y0 = b * rho |
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x1 = int(x0 + 1000 * (-b)) |
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x2 = int(x0 - 1000 * (-b)) |
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y1 = int(y0 + 1000 * (a)) |
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y2 = int(y0 - 1000 * (a)) |
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cv2.line(frame, (x1, y1), (x2, y2), (0, 0, 255), 2) |
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return frame |
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def apply_contour_detection(frame): |
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gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY) |
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blurred = cv2.GaussianBlur(gray, (5, 5), 0) |
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edged = cv2.Canny(blurred, 50, 150) |
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contours, _ = cv2.findContours(edged, cv2.RETR_EXTERNAL, cv2.CHAIN_APPROX_SIMPLE) |
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cv2.drawContours(frame, contours, -1, (0, 255, 0), 2) |
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return frame |
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def apply_box_blur(frame): |
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return cv2.blur(frame, (15, 15)) |
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def apply_emboss_filter(frame): |
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kernel = np.array([[-2, -1, 0], [-1, 1, 1], [0, 1, 2]]) |
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return cv2.filter2D(frame, -1, kernel) |
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def apply_sobel_edge_detection(frame): |
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gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY) |
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sobelx = cv2.Sobel(gray, cv2.CV_64F, 1, 0, ksize=5) |
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sobely = cv2.Sobel(gray, cv2.CV_64F, 0, 1, ksize=5) |
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sobel = cv2.addWeighted(sobelx, 0.5, sobely, 0.5, 0) |
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return cv2.convertScaleAbs(sobel) |
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def apply_thresholding(frame, threshold_value=127): |
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gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY) |
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_, thresh = cv2.threshold(gray, threshold_value, 255, cv2.THRESH_BINARY) |
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return thresh |
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def apply_color_quantization(frame, k=8): |
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Z = frame.reshape((-1, 3)) |
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Z = np.float32(Z) |
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criteria = (cv2.TERM_CRITERIA_EPS + cv2.TERM_CRITERIA_MAX_ITER, 10, 1.0) |
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_, label, center = cv2.kmeans(Z, k, None, criteria, 10, cv2.KMEANS_RANDOM_CENTERS) |
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center = np.uint8(center) |
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res = center[label.flatten()] |
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return res.reshape((frame.shape)) |
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filter_descriptions = { |
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"Gaussian Blur": "Resmi bulanıklaştırır. Bu filtre, resimdeki gürültüyü azaltmak için kullanılır.", |
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"Sharpen": "Resmi netleştirir. Bu filtre, resimdeki kenarları daha belirgin hale getirir.", |
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"Edge Detection": "Canny Edge Detection algoritmasını kullanarak resimdeki kenarları tespit eder.", |
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"Invert": "Resmin renklerini tersine çevirir.", |
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"Brightness": "Resmin parlaklığını ve kontrastını ayarlar.", |
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"Grayscale": "Resmi gri tonlamalı hale getirir.", |
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"Sepia": "Resmi sepiya tonlarıyla işler.", |
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"Bilateral": "Kenar koruyarak resmi bulanıklaştırır.", |
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"Darkening": "Resmi karartır.", |
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"Histogram Equalization": "Resmin histogramını eşitleyerek kontrastı artırır.", |
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"Median Blur": "Medyan filtresi ile resmi bulanıklaştırır. Bu filtre, gürültüyü azaltmak için kullanılır.", |
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"Dilation": "Resimdeki beyaz bölgeleri genişletir.", |
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"Erosion": "Resimdeki beyaz bölgeleri daraltır.", |
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"Line Detection": "Hough dönüşümü ile resimdeki doğruları tespit eder.", |
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"Contour Detection": "Resimdeki konturları tespit eder ve çizer.", |
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"Box Blur": "Basit bir bulanıklaştırma filtresi.", |
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"Emboss": "Resmi kabartma efektiyle işler.", |
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"Sobel Edge Detection": "Sobel operatörü ile kenarları tespit eder.", |
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"Thresholding": "Eşikleme ile resmi ikili (siyah-beyaz) hale getirir.", |
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"Color Quantization": "Renk sayısını azaltarak resmi daha basit bir renk paletiyle gösterir." |
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} |
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def apply_filter(filter_type, input_image=None): |
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if input_image is not None: |
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frame = input_image |
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else: |
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cap = cv2.VideoCapture(0) |
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ret, frame = cap.read() |
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cap.release() |
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if not ret: |
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return "Web kameradan görüntü alınamadı" |
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if filter_type == "Gaussian Blur": |
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return apply_gaussian_blur(frame) |
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elif filter_type == "Sharpen": |
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return apply_sharpening_filter(frame) |
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elif filter_type == "Edge Detection": |
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return apply_edge_detection(frame) |
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elif filter_type == "Invert": |
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return apply_invert_filter(frame) |
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elif filter_type == "Brightness": |
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return adjust_brightness_contrast(frame, alpha=1.0, beta=50) |
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elif filter_type == "Grayscale": |
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return apply_grayscale_filter(frame) |
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elif filter_type == "Sepia": |
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return apply_sepia_filter(frame) |
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elif filter_type == "Bilateral": |
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return apply_bilateral_filter(frame) |
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elif filter_type == "Darkening": |
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return apply_darkening_filter(frame) |
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elif filter_type == "Histogram Equalization": |
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return apply_histogram_equalization(frame) |
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elif filter_type == "Median Blur": |
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return apply_median_blur(frame) |
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elif filter_type == "Dilation": |
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return apply_dilation(frame) |
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elif filter_type == "Erosion": |
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return apply_erosion(frame) |
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elif filter_type == "Line Detection": |
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return apply_line_detection(frame) |
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elif filter_type == "Contour Detection": |
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return apply_contour_detection(frame) |
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elif filter_type == "Box Blur": |
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return apply_box_blur(frame) |
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elif filter_type == "Emboss": |
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return apply_emboss_filter(frame) |
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elif filter_type == "Sobel Edge Detection": |
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return apply_sobel_edge_detection(frame) |
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elif filter_type == "Thresholding": |
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return apply_thresholding(frame) |
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elif filter_type == "Color Quantization": |
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return apply_color_quantization(frame) |
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with gr.Blocks() as demo: |
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gr.Markdown("# Web Kameradan ya da Yüklenen Fotoğraftan Canlı Filtreleme") |
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filter_type = gr.Dropdown( |
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label="Filtre Seçin", |
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choices=list(filter_descriptions.keys()), |
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value="Gaussian Blur" |
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) |
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filter_description = gr.Markdown(label="Filtre Açıklaması", value=filter_descriptions["Gaussian Blur"]) |
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input_image = gr.Image(label="Resim Yükle", type="numpy", height=200, width=200) |
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output_image = gr.Image(label="Filtre Uygulandı", height=200, width=200) |
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with gr.Row(): |
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with gr.Column(scale=1): |
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gr.Markdown("### Giriş Resmi") |
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input_image |
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with gr.Column(scale=1): |
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gr.Markdown("### Çıkış Resmi") |
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output_image |
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def update_description(filter_type): |
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return filter_descriptions[filter_type] |
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filter_type.change(fn=update_description, inputs=filter_type, outputs=filter_description) |
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input_image.change(fn=apply_filter, inputs=[filter_type, input_image], outputs=output_image) |
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filter_type.change(fn=apply_filter, inputs=[filter_type, input_image], outputs=output_image) |
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demo.launch() |