Callibration Fuji 16mm

data/callibration/callibrate_12mm.py

@@ -0,0 +1,280 @@
+import cv2
+import numpy as np
+import glob
+import os
+import rawpy
+from concurrent.futures import ThreadPoolExecutor, as_completed
+
+# ============================================================
+# CONFIG
+# ============================================================
+
+CHECKERBOARD = (10, 7)          # inner corners
+SQUARE_SIZE = 25.0 / 1000.0    # 25 mm -> meters
+
+IMAGE_PATTERNS = [
+    "XPro2-12mm56-1mFokus_f8/*.JPG",
+    "XPro2-12mm56-1mFokus_f8/*.RAF"
+]
+
+
+# Reject blurry images
+MIN_SHARPNESS = 380.0
+
+# Downscale for faster detection
+MAX_WIDTH = 2000
+
+# ============================================================
+# PREPARE OBJECT POINTS
+# ============================================================
+
+objp = np.zeros((CHECKERBOARD[0] * CHECKERBOARD[1], 3), np.float32)
+objp[:, :2] = np.mgrid[
+    0:CHECKERBOARD[0],
+    0:CHECKERBOARD[1]
+].T.reshape(-1, 2)
+
+objp *= SQUARE_SIZE
+
+
+# ============================================================
+# IMAGE PROCESSING
+# ============================================================
+
+blurry_images = []
+failed_images = []
+
+def process_image(fname):
+
+    try:
+        print(f"\nProcessing: {fname}")
+
+        ext = os.path.splitext(fname)[1].lower()
+
+        if ext == ".raf" or ext == ".RAF":
+
+            with rawpy.imread(fname) as raw:
+
+                rgb = raw.postprocess(
+                    use_camera_wb=True,
+                    no_auto_bright=True,
+                    output_bps=8
+                )
+
+            img = cv2.cvtColor(rgb, cv2.COLOR_RGB2BGR)
+
+        else:
+            img = cv2.imread(fname)
+
+        if img is None:
+            print("  -> Could not read image")
+            return None
+
+        #gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
+        gray = img[:, :, 2]
+
+        original_size = gray.shape[::-1]
+
+        # ----------------------------------------------------
+        # DOWNSCALE LARGE IMAGES
+        # ----------------------------------------------------
+
+        scale = 1.0
+
+        if gray.shape[1] > MAX_WIDTH:
+            scale = MAX_WIDTH / gray.shape[1]
+
+            gray_small = cv2.resize(
+                gray,
+                None,
+                fx=scale,
+                fy=scale,
+                interpolation=cv2.INTER_AREA
+            )
+        else:
+            gray_small = gray
+
+        # ----------------------------------------------------
+        # SHARPNESS CHECK
+        # ----------------------------------------------------
+
+        sharpness = cv2.Laplacian(gray_small, cv2.CV_64F).var()
+
+        print(f"  Sharpness: {sharpness:.1f}")
+
+        if sharpness < MIN_SHARPNESS:
+            print("  -> Rejected (too blurry)")
+            failed_images.append(fname)
+            return None
+
+        # ----------------------------------------------------
+        # FIND CHESSBOARD
+        # ----------------------------------------------------
+
+        flags = (
+            cv2.CALIB_CB_NORMALIZE_IMAGE |
+            cv2.CALIB_CB_EXHAUSTIVE
+        )
+
+        # Newer and more robust detector
+        ret, corners = cv2.findChessboardCornersSB(
+            gray_small,
+            CHECKERBOARD,
+            flags
+        )
+
+        if not ret:
+            print("  -> No corners found")
+            return None
+
+        # ----------------------------------------------------
+        # SCALE CORNERS BACK
+        # ----------------------------------------------------
+
+        if scale != 1.0:
+            corners /= scale
+
+        # ----------------------------------------------------
+        # SUBPIX REFINEMENT
+        # ----------------------------------------------------
+
+        corners2 = cv2.cornerSubPix(
+            gray,
+            corners.astype(np.float32),
+            (11, 11),
+            (-1, -1),
+            (
+                cv2.TERM_CRITERIA_EPS +
+                cv2.TERM_CRITERIA_MAX_ITER,
+                30,
+                1e-6
+            )
+        )
+
+        print("  -> Success")
+
+        return {
+            "objpoints": objp,
+            "imgpoints": corners2,
+            "img_size": original_size
+        }
+
+    except Exception as e:
+        print(f"  -> ERROR: {e}")
+        return None
+
+
+# ============================================================
+# LOAD IMAGES
+# ============================================================
+
+images = []
+
+for pattern in IMAGE_PATTERNS:
+    images.extend(glob.glob(pattern))
+
+print(f"Found images: {len(images)}")
+
+if len(images) == 0:
+    raise RuntimeError("No images found.")
+
+# ============================================================
+# PROCESS IMAGES IN PARALLEL
+# ============================================================
+
+results = []
+
+with ThreadPoolExecutor(max_workers=os.cpu_count()) as executor:
+
+    futures = [
+        executor.submit(process_image, fname)
+        for fname in images
+    ]
+
+    for future in as_completed(futures):
+
+        result = future.result()
+
+        if result is not None:
+            results.append(result)
+
+# ============================================================
+# COLLECT VALID RESULTS
+# ============================================================
+
+if len(results) == 0:
+    raise RuntimeError("No valid checkerboards detected.")
+
+objpoints = [r["objpoints"] for r in results]
+imgpoints = [r["imgpoints"] for r in results]
+img_size = results[0]["img_size"]
+
+print(f"\nValid images: {len(results)} / {len(images)}")
+
+# ============================================================
+# CALIBRATION
+# ============================================================
+
+print("\nRunning calibration...")
+
+ret, K, D, rvecs, tvecs = cv2.calibrateCamera(
+    objpoints,
+    imgpoints,
+    img_size,
+    None,
+    None
+)
+
+# ============================================================
+# RESULTS
+# ============================================================
+
+print("\n=== Calibration Results ===")
+
+print(f"RMS reprojection error: {ret:.4f}")
+
+print("\nCamera Matrix:")
+print(K)
+
+print("\nDistortion Coefficients:")
+print(D)
+
+# ============================================================
+# SAVE
+# ============================================================
+
+output_file = "calibration_XPro2-12mm56-1mFokus_f8.npz"
+
+np.savez(
+    output_file,
+    camera_matrix=K,
+    dist_coeffs=D
+)
+
+print(f"\nSaved calibration to: {output_file}")
+
+
+# ------------------------------------------------------------
+# DELETE COMMANDS
+# ------------------------------------------------------------
+
+
+if blurry_images:
+
+    print("\nDelete blurry images:")
+
+    delete_cmd = "rm " + " ".join(
+        f'"{f}"' for f in blurry_images
+    )
+
+    print(delete_cmd)
+
+if failed_images:
+
+    print("\nDelete failed corner images:")
+
+    delete_cmd = "rm " + " ".join(
+        f'"{f}"' for f in failed_images
+    )
+
+    print(delete_cmd)

data/callibration/callibrate_XT1_16mm.py

@@ -0,0 +1,278 @@
+import cv2
+import numpy as np
+import glob
+import os
+from concurrent.futures import ThreadPoolExecutor, as_completed
+
+# ============================================================
+# CONFIG
+# ============================================================
+
+CHECKERBOARD = (10, 7)          # inner corners
+SQUARE_SIZE = 25.0 / 1000.0    # 25 mm -> meters
+
+IMAGE_PATTERNS = [
+    "XT1-16mm28-1mFokus_f8/*.JPG"
+]
+
+
+# Reject blurry images
+MIN_SHARPNESS = 80.0
+
+# Downscale for faster detection
+MAX_WIDTH = 2000
+
+# ============================================================
+# PREPARE OBJECT POINTS
+# ============================================================
+
+objp = np.zeros((CHECKERBOARD[0] * CHECKERBOARD[1], 3), np.float32)
+objp[:, :2] = np.mgrid[
+    0:CHECKERBOARD[0],
+    0:CHECKERBOARD[1]
+].T.reshape(-1, 2)
+
+objp *= SQUARE_SIZE
+
+
+# ============================================================
+# IMAGE PROCESSING
+# ============================================================
+
+blurry_images = []
+failed_images = []
+
+def process_image(fname):
+
+    try:
+        print(f"\nProcessing: {fname}")
+
+        ext = os.path.splitext(fname)[1].lower()
+
+        if ext == ".raf" or ext == ".RAF":
+
+            with rawpy.imread(fname) as raw:
+
+                rgb = raw.postprocess(
+                    use_camera_wb=True,
+                    no_auto_bright=True,
+                    output_bps=8
+                )
+
+            img = cv2.cvtColor(rgb, cv2.COLOR_RGB2BGR)
+
+        else:
+            img = cv2.imread(fname)
+
+        if img is None:
+            print("  -> Could not read image")
+            return None
+
+        #gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
+        gray = img[:, :, 2]
+
+        original_size = gray.shape[::-1]
+
+        # ----------------------------------------------------
+        # DOWNSCALE LARGE IMAGES
+        # ----------------------------------------------------
+
+        scale = 1.0
+
+        if gray.shape[1] > MAX_WIDTH:
+            scale = MAX_WIDTH / gray.shape[1]
+
+            gray_small = cv2.resize(
+                gray,
+                None,
+                fx=scale,
+                fy=scale,
+                interpolation=cv2.INTER_AREA
+            )
+        else:
+            gray_small = gray
+
+        # ----------------------------------------------------
+        # SHARPNESS CHECK
+        # ----------------------------------------------------
+
+        sharpness = cv2.Laplacian(gray_small, cv2.CV_64F).var()
+
+        print(f"  Sharpness: {sharpness:.1f}")
+
+        if sharpness < MIN_SHARPNESS:
+            print("  -> Rejected (too blurry)")
+            failed_images.append(fname)
+            return None
+
+        # ----------------------------------------------------
+        # FIND CHESSBOARD
+        # ----------------------------------------------------
+
+        flags = (
+            cv2.CALIB_CB_NORMALIZE_IMAGE |
+            cv2.CALIB_CB_EXHAUSTIVE
+        )
+
+        # Newer and more robust detector
+        ret, corners = cv2.findChessboardCornersSB(
+            gray_small,
+            CHECKERBOARD,
+            flags
+        )
+
+        if not ret:
+            print("  -> No corners found")
+            return None
+
+        # ----------------------------------------------------
+        # SCALE CORNERS BACK
+        # ----------------------------------------------------
+
+        if scale != 1.0:
+            corners /= scale
+
+        # ----------------------------------------------------
+        # SUBPIX REFINEMENT
+        # ----------------------------------------------------
+
+        corners2 = cv2.cornerSubPix(
+            gray,
+            corners.astype(np.float32),
+            (11, 11),
+            (-1, -1),
+            (
+                cv2.TERM_CRITERIA_EPS +
+                cv2.TERM_CRITERIA_MAX_ITER,
+                30,
+                1e-6
+            )
+        )
+
+        print("  -> Success")
+
+        return {
+            "objpoints": objp,
+            "imgpoints": corners2,
+            "img_size": original_size
+        }
+
+    except Exception as e:
+        print(f"  -> ERROR: {e}")
+        return None
+
+
+# ============================================================
+# LOAD IMAGES
+# ============================================================
+
+images = []
+
+for pattern in IMAGE_PATTERNS:
+    images.extend(glob.glob(pattern))
+
+print(f"Found images: {len(images)}")
+
+if len(images) == 0:
+    raise RuntimeError("No images found.")
+
+# ============================================================
+# PROCESS IMAGES IN PARALLEL
+# ============================================================
+
+results = []
+
+with ThreadPoolExecutor(max_workers=os.cpu_count()) as executor:
+
+    futures = [
+        executor.submit(process_image, fname)
+        for fname in images
+    ]
+
+    for future in as_completed(futures):
+
+        result = future.result()
+
+        if result is not None:
+            results.append(result)
+
+# ============================================================
+# COLLECT VALID RESULTS
+# ============================================================
+
+if len(results) == 0:
+    raise RuntimeError("No valid checkerboards detected.")
+
+objpoints = [r["objpoints"] for r in results]
+imgpoints = [r["imgpoints"] for r in results]
+img_size = results[0]["img_size"]
+
+print(f"\nValid images: {len(results)} / {len(images)}")
+
+# ============================================================
+# CALIBRATION
+# ============================================================
+
+print("\nRunning calibration...")
+
+ret, K, D, rvecs, tvecs = cv2.calibrateCamera(
+    objpoints,
+    imgpoints,
+    img_size,
+    None,
+    None
+)
+
+# ============================================================
+# RESULTS
+# ============================================================
+
+print("\n=== Calibration Results ===")
+
+print(f"RMS reprojection error: {ret:.4f}")
+
+print("\nCamera Matrix:")
+print(K)
+
+print("\nDistortion Coefficients:")
+print(D)
+
+# ============================================================
+# SAVE
+# ============================================================
+
+output_file = "calibration_XT1-16mm28-1mFokus_f8.npz"
+
+np.savez(
+    output_file,
+    camera_matrix=K,
+    dist_coeffs=D
+)
+
+print(f"\nSaved calibration to: {output_file}")
+
+
+# ------------------------------------------------------------
+# DELETE COMMANDS
+# ------------------------------------------------------------
+
+
+if blurry_images:
+
+    print("\nDelete blurry images:")
+
+    delete_cmd = "rm " + " ".join(
+        f'"{f}"' for f in blurry_images
+    )
+
+    print(delete_cmd)
+
+if failed_images:
+
+    print("\nDelete failed corner images:")
+
+    delete_cmd = "rm " + " ".join(
+        f'"{f}"' for f in failed_images
+    )
+
+    print(delete_cmd)

data/callibration/callibrate_v2.py

@@ -0,0 +1,280 @@
+import cv2
+import numpy as np
+import glob
+import os
+import rawpy
+from concurrent.futures import ThreadPoolExecutor, as_completed
+
+# ============================================================
+# CONFIG
+# ============================================================
+
+CHECKERBOARD = (10, 7)          # inner corners
+SQUARE_SIZE = 25.0 / 1000.0    # 25 mm -> meters
+
+IMAGE_PATTERNS = [
+    "XPro2-16mm28-1mFokus_f8/*.JPG",
+    "XPro2-16mm28-1mFokus_f8/*.RAF"
+]
+
+
+# Reject blurry images
+MIN_SHARPNESS = 80.0
+
+# Downscale for faster detection
+MAX_WIDTH = 2000
+
+# ============================================================
+# PREPARE OBJECT POINTS
+# ============================================================
+
+objp = np.zeros((CHECKERBOARD[0] * CHECKERBOARD[1], 3), np.float32)
+objp[:, :2] = np.mgrid[
+    0:CHECKERBOARD[0],
+    0:CHECKERBOARD[1]
+].T.reshape(-1, 2)
+
+objp *= SQUARE_SIZE
+
+
+# ============================================================
+# IMAGE PROCESSING
+# ============================================================
+
+blurry_images = []
+failed_images = []
+
+def process_image(fname):
+
+    try:
+        print(f"\nProcessing: {fname}")
+
+        ext = os.path.splitext(fname)[1].lower()
+
+        if ext == ".raf" or ext == ".RAF":
+
+            with rawpy.imread(fname) as raw:
+
+                rgb = raw.postprocess(
+                    use_camera_wb=True,
+                    no_auto_bright=True,
+                    output_bps=8
+                )
+
+            img = cv2.cvtColor(rgb, cv2.COLOR_RGB2BGR)
+
+        else:
+            img = cv2.imread(fname)
+
+        if img is None:
+            print("  -> Could not read image")
+            return None
+
+        #gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
+        gray = img[:, :, 2]
+
+        original_size = gray.shape[::-1]
+
+        # ----------------------------------------------------
+        # DOWNSCALE LARGE IMAGES
+        # ----------------------------------------------------
+
+        scale = 1.0
+
+        if gray.shape[1] > MAX_WIDTH:
+            scale = MAX_WIDTH / gray.shape[1]
+
+            gray_small = cv2.resize(
+                gray,
+                None,
+                fx=scale,
+                fy=scale,
+                interpolation=cv2.INTER_AREA
+            )
+        else:
+            gray_small = gray
+
+        # ----------------------------------------------------
+        # SHARPNESS CHECK
+        # ----------------------------------------------------
+
+        sharpness = cv2.Laplacian(gray_small, cv2.CV_64F).var()
+
+        print(f"  Sharpness: {sharpness:.1f}")
+
+        if sharpness < MIN_SHARPNESS:
+            print("  -> Rejected (too blurry)")
+            failed_images.append(fname)
+            return None
+
+        # ----------------------------------------------------
+        # FIND CHESSBOARD
+        # ----------------------------------------------------
+
+        flags = (
+            cv2.CALIB_CB_NORMALIZE_IMAGE |
+            cv2.CALIB_CB_EXHAUSTIVE
+        )
+
+        # Newer and more robust detector
+        ret, corners = cv2.findChessboardCornersSB(
+            gray_small,
+            CHECKERBOARD,
+            flags
+        )
+
+        if not ret:
+            print("  -> No corners found")
+            return None
+
+        # ----------------------------------------------------
+        # SCALE CORNERS BACK
+        # ----------------------------------------------------
+
+        if scale != 1.0:
+            corners /= scale
+
+        # ----------------------------------------------------
+        # SUBPIX REFINEMENT
+        # ----------------------------------------------------
+
+        corners2 = cv2.cornerSubPix(
+            gray,
+            corners.astype(np.float32),
+            (11, 11),
+            (-1, -1),
+            (
+                cv2.TERM_CRITERIA_EPS +
+                cv2.TERM_CRITERIA_MAX_ITER,
+                30,
+                1e-6
+            )
+        )
+
+        print("  -> Success")
+
+        return {
+            "objpoints": objp,
+            "imgpoints": corners2,
+            "img_size": original_size
+        }
+
+    except Exception as e:
+        print(f"  -> ERROR: {e}")
+        return None
+
+
+# ============================================================
+# LOAD IMAGES
+# ============================================================
+
+images = []
+
+for pattern in IMAGE_PATTERNS:
+    images.extend(glob.glob(pattern))
+
+print(f"Found images: {len(images)}")
+
+if len(images) == 0:
+    raise RuntimeError("No images found.")
+
+# ============================================================
+# PROCESS IMAGES IN PARALLEL
+# ============================================================
+
+results = []
+
+with ThreadPoolExecutor(max_workers=os.cpu_count()) as executor:
+
+    futures = [
+        executor.submit(process_image, fname)
+        for fname in images
+    ]
+
+    for future in as_completed(futures):
+
+        result = future.result()
+
+        if result is not None:
+            results.append(result)
+
+# ============================================================
+# COLLECT VALID RESULTS
+# ============================================================
+
+if len(results) == 0:
+    raise RuntimeError("No valid checkerboards detected.")
+
+objpoints = [r["objpoints"] for r in results]
+imgpoints = [r["imgpoints"] for r in results]
+img_size = results[0]["img_size"]
+
+print(f"\nValid images: {len(results)} / {len(images)}")
+
+# ============================================================
+# CALIBRATION
+# ============================================================
+
+print("\nRunning calibration...")
+
+ret, K, D, rvecs, tvecs = cv2.calibrateCamera(
+    objpoints,
+    imgpoints,
+    img_size,
+    None,
+    None
+)
+
+# ============================================================
+# RESULTS
+# ============================================================
+
+print("\n=== Calibration Results ===")
+
+print(f"RMS reprojection error: {ret:.4f}")
+
+print("\nCamera Matrix:")
+print(K)
+
+print("\nDistortion Coefficients:")
+print(D)
+
+# ============================================================
+# SAVE
+# ============================================================
+
+output_file = "calibration_XPro2_16mm_1m_f8.npz"
+
+np.savez(
+    output_file,
+    camera_matrix=K,
+    dist_coeffs=D
+)
+
+print(f"\nSaved calibration to: {output_file}")
+
+
+# ------------------------------------------------------------
+# DELETE COMMANDS
+# ------------------------------------------------------------
+
+
+if blurry_images:
+
+    print("\nDelete blurry images:")
+
+    delete_cmd = "rm " + " ".join(
+        f'"{f}"' for f in blurry_images
+    )
+
+    print(delete_cmd)
+
+if failed_images:
+
+    print("\nDelete failed corner images:")
+
+    delete_cmd = "rm " + " ".join(
+        f'"{f}"' for f in failed_images
+    )
+
+    print(delete_cmd)

data/callibration/callibriate.py

@@ -1,54 +1,99 @@
+
 import cv2
 import numpy as np
 import glob
 
 #
-#   Create callibration .npz from checkerboard images.
-#
+# Create calibration .npz from checkerboard images
 #
 
+# Parameters
+CHECKERBOARD = (10, 7)         # inner corners
+square_size = 25.0 / 1000.0  # 25 mm -> meters
 
-# Parameter
-CHECKERBOARD = (9, 6)        # innere Ecken
-square_size = 25.0 / 1000.0 # 25 mm → Meter
-
-# Objektpunkte vorbereiten
+# Prepare object points
 objp = np.zeros((CHECKERBOARD[0] * CHECKERBOARD[1], 3), np.float32)
 objp[:, :2] = np.mgrid[0:CHECKERBOARD[0], 0:CHECKERBOARD[1]].T.reshape(-1, 2)
 objp *= square_size
 
-objpoints = []
-imgpoints = []
+objpoints = []  # 3D points
+imgpoints = []  # 2D points
 
-images = glob.glob("calib_images/*.jpg")
+# Load images
+images = glob.glob("XPro2-16mm28-1mFokus/*.JPG")
+print("Found images:", len(images))
+
+img_size = None
 
 for fname in images:
     img = cv2.imread(fname)
+
+    print(f"Processing {fname}...")
+    if img is None:
+        print(f"Warning: could not read {fname}")
+        continue
+
     gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
 
+    # Save image size once
+    if img_size is None:
+        img_size = gray.shape[::-1]
+
+    print(f"    Gray")
     ret, corners = cv2.findChessboardCorners(
-        gray, CHECKERBOARD,
+        gray,
+        CHECKERBOARD,
         flags=cv2.CALIB_CB_ADAPTIVE_THRESH +
               cv2.CALIB_CB_NORMALIZE_IMAGE +
               cv2.CALIB_CB_FAST_CHECK
     )
+    print("     Corners found")
 
     if ret:
         corners2 = cv2.cornerSubPix(
-            gray, corners, (11,11), (-1,-1),
+            gray,
+            corners,
+            (11, 11),
+            (-1, -1),
             (cv2.TERM_CRITERIA_EPS + cv2.TERM_CRITERIA_MAX_ITER, 30, 1e-6)
         )
+
         objpoints.append(objp)
         imgpoints.append(corners2)
 
-# Kalibrieren
+        print(f"✅ Corners found in {fname}")
+    else:
+        print(f"❌ No corners found in {fname}")
+
+print(f"\nTotal valid images: {len(objpoints)} / {len(images)}" )
+# Sanity checks
+if img_size is None:
+    raise RuntimeError("No images were successfully loaded.")
+
+if len(objpoints) == 0:
+    raise RuntimeError("No chessboard corners detected in any image. Calibration failed.")
+
+print("\n=== Sanity Checks Passed ===")
+# Calibration
 ret, K, D, rvecs, tvecs = cv2.calibrateCamera(
-    objpoints, imgpoints, gray.shape[::-1], None, None
+    objpoints,
+    imgpoints,
+    img_size,
+    None,
+    None
 )
 
-print("RMS reprojection error:", ret)
 
-# Speichern
-np.savez("calibration_cam0.npz",
+print("\n=== Calibration Results ===")
+print("RMS reprojection error:", ret)
+print("Camera matrix:\n", K)
+print("Distortion coefficients:\n", D)
+
+# Save calibration
+np.savez(
+    "calibration_XPro2_16mm.npz",
     camera_matrix=K,
-         dist_coeffs=D)
+    dist_coeffs=D
+)
+
+print("\n✅ Calibration saved to calibration_XPro2_16mm.npz")