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+ | Camera tests
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NotArt
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@ -1,115 +0,0 @@
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// #include <Wire.h>
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// // OV7670 pin definitions (modify if needed)
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// #define VSYNC_PIN 2
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// #define HREF_PIN 3
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// #define PCLK_PIN 4
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// #define XCLK_PIN 5
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// // Data pins (D0-D7 connected to Arduino)
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// int dataPins[] = {6, 7, 8, 9, 10, 11, 12, 13};
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// // OV7670 Camera Initialization
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// void setup() {
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// Serial.begin(115200);
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// delay(2000);
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// Serial.println("Serial begin");
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// Wire.begin(); // Initialize I2C
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// delay(500);
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// Serial.println("Wire begin");
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// Serial.println("I2C Scanner") ;
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// for (byte address = 1; address < 127; address++) {
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// Wire.beginTransmission(address);
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// if (Wire.endTransmission() == 0) {
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// Serial.print("Device found at 0x");
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// Serial.println(address, HEX);
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// }
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// }
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// Serial.println("End of I2C Scanner");
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// pinMode(LED_BUILTIN, OUTPUT);
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// for (int i = 0; i < 5; i++) { // Blink LED 5 times
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// digitalWrite(LED_BUILTIN, HIGH);
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// delay(500);
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// digitalWrite(LED_BUILTIN, LOW);
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// delay(500);
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// }
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// Serial.println("Setup started..."); // Debug message
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// pinMode(VSYNC_PIN, INPUT);
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// pinMode(HREF_PIN, INPUT);
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// pinMode(PCLK_PIN, INPUT);
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// pinMode(XCLK_PIN, OUTPUT);
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// // Set data pins as input
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// for (int i = 0; i < 8; i++) {
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// pinMode(dataPins[i], INPUT);
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// }
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// // Initialize OV7670
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// Serial.println("Initializing Camera...");
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// if (!initCamera()) {
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// Serial.println("Camera init failed!");
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// while (1); // Stop if camera does not initialize
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// }
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// Serial.println("Camera Ready!");
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// }
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// // Function to Initialize Camera (Modify If Needed)
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// bool initCamera() {
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// Wire.beginTransmission(0x21); // OV7670 I2C address (check datasheet)
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// Wire.write(0x12); // Register to reset the camera
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// Wire.write(0x80); // Reset command
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// if (Wire.endTransmission() != 0) return false;
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// delay(100);
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// // Set camera to QVGA (320x240) or other settings if needed
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// Wire.beginTransmission(0x21);
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// Wire.write(0x12);
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// Wire.write(0x14); // Set to QVGA
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// return (Wire.endTransmission() == 0);
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// }
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// // Capture a Frame
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// void captureFrame() {
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// Serial.println("Capturing Frame...");
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// while (digitalRead(VSYNC_PIN) == LOW); // Wait for VSYNC high
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// while (digitalRead(VSYNC_PIN) == HIGH); // Wait for VSYNC low
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// // Read each pixel
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// for (int y = 0; y < 120; y++) { // Capture 120 rows (for QVGA)
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// while (digitalRead(HREF_PIN) == LOW); // Wait for HREF high
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// for (int x = 0; x < 160; x++) { // Read 160 pixels per row
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// while (digitalRead(PCLK_PIN) == LOW); // Wait for PCLK high
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// int pixel = readPixel(); // Read pixel data
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// Serial.print(pixel);
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// Serial.print(" ");
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// while (digitalRead(PCLK_PIN) == HIGH); // Wait for PCLK low
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// }
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// Serial.println(); // New row
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// }
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// Serial.println("Frame Captured!");
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// }
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// // Read a Pixel from the Camera
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// int readPixel() {
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// int pixel = 0;
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// for (int i = 0; i < 8; i++) {
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// pixel |= digitalRead(dataPins[i]) << i; // Read data pins
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// }
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// return pixel;
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// }
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// void loop() {
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// captureFrame(); // Capture and print pixel data
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// delay(5000); // Wait before capturing next frame
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// }
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@ -1,22 +0,0 @@
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#include <Wire.h>
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void setup() {
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Serial.begin(115200);
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delay(2000); // Wait for the serial monitor to open
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Serial.println("I2C Scanner");
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Wire.begin(); // Initialize I2C communication
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for (byte address = 1; address < 127; address++) {
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Wire.beginTransmission(address);
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if (Wire.endTransmission() == 0) {
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// If the device responds, it means it’s present on the bus
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Serial.print("Device found at address 0x");
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Serial.println(address, HEX);
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}
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}
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Serial.println("End of I2C Scanner");
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}
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void loop() {
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// Empty loop
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}
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@ -1,4 +1,7 @@
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import cv2
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import serial
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SERVO_SPD = 2
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def draw_square(frame, faces, color):
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for (x, y, w, h) in faces:
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@ -17,7 +20,8 @@ detected_profiles = []
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ret, frame = video_capture.read()
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if ret:
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frameH, frameW = frame.shape[:2]
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eyeX = int (frameW / 2)
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eyeY = int (frameH / 2)
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while True:
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ret, frame = video_capture.read()
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@ -30,26 +34,46 @@ while True:
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faces = side_cascade.detectMultiScale(gray_frame, scaleFactor=1.1, minNeighbors=5, minSize=(30, 30))
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detected_profiles = faces
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target = [0, 0, 0, 0]
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if len(detected_faces) != 0 :
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for face in detected_faces :
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if face[3] > target[3] :
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target = face
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print(f"{target[3]}")
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# print(f"midH={frameH} midW={frameW} {len(detected_faces)} {len(detected_profiles)} ")
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frame = draw_square(frame, detected_faces, (0, 255, 0))
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frame = draw_square(frame, detected_profiles, (255, 0, 0))
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if len(detected_faces) != 0 :
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targetX = int (target[0] + (target[2] / 2))
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targetY = int (target[1] + (target[3] / 2))
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else :
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targetX = int (frameW / 2)
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targetY = int (frameH / 2)
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cv2.rectangle(frame, (targetX, targetY), (targetX + 2, targetY + 2), (0, 0, 255), 1)
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target = [int ((frameW / 2) - 10), int ((frameH / 2) - 10), 20, 20]
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if len(detected_profiles) != 0 and len(detected_faces) == 0 :
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# get target as the biggest face detected
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for face in detected_profiles :
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if face[3] > target[3] : # deep copy as I want to modify target w/out modifying detected_profiles
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target[0] = face[0]
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target[1] = face[1]
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target[2] = face[2]
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target[3] = face[3]
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# define target as the center of selected face
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target[0] = int (target[0] + (target[2] / 2) - 10)
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target[1] = int (target[1] + (target[3] / 2) - 10)
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target[2] = 20
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target[3] = 20
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# adjust the 'eye' position as the camera turn around
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if eyeX < target[0] or eyeX > (target[0] + target[2]) :
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if eyeX < target[0] :
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eyeX += SERVO_SPD
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else :
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eyeX -= SERVO_SPD
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if eyeY < target[1] or eyeY > (target[1] + target[3]) :
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if eyeY < target[1] :
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eyeY += SERVO_SPD
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else :
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eyeY -= SERVO_SPD
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# draw target rectangle in red
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cv2.rectangle(frame, (target[0], target[1]), (target[0] + target[2], target[1] + target[3]), (0, 0, 255), 1)
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# draw crosshair in white
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cv2.rectangle(frame, (eyeX - 5, eyeY), (eyeX + 5, eyeY), (255, 255, 255), 1)
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cv2.rectangle(frame, (eyeX, eyeY - 5), (eyeX, eyeY + 5), (255, 255, 255), 1)
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cv2.imshow("Faces", frame)
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