diff --git a/y2023/vision/vision_util.h b/y2023/vision/vision_util.h
index 58f9a7f..ce1a69d 100644
--- a/y2023/vision/vision_util.h
+++ b/y2023/vision/vision_util.h
@@ -2,10 +2,23 @@
 #define Y2023_VISION_VISION_UTIL_H_
 #include <string_view>
 
+#include "opencv2/imgproc.hpp"
 #include "y2023/constants/constants_generated.h"
+
 namespace y2023::vision {
 
 const frc971::vision::calibration::CameraCalibration *FindCameraCalibration(
     const y2023::Constants &calibration_data, std::string_view node_name);
-}
+
+cv::Mat CameraExtrinsics(
+    const frc971::vision::calibration::CameraCalibration *camera_calibration);
+
+cv::Mat CameraIntrinsics(
+    const frc971::vision::calibration::CameraCalibration *camera_calibration);
+
+cv::Mat CameraDistCoeffs(
+    const frc971::vision::calibration::CameraCalibration *camera_calibration);
+
+}  // namespace y2023::vision
+
 #endif  // Y2023_VISION_VISION_UTIL_H_