Look for blobs that fit within certain angles

Signed-off-by: Milind Upadhyay <milind.upadhyay@gmail.com>
Change-Id: I2bc2cf2123e2c0e163944c91b37f0f4d614fce3e
diff --git a/y2022/vision/blob_detector.h b/y2022/vision/blob_detector.h
index 4077e2c..d263d32 100644
--- a/y2022/vision/blob_detector.h
+++ b/y2022/vision/blob_detector.h
@@ -28,7 +28,7 @@
   // Given an image, threshold it to find "green" pixels
   // Input: Color image
   // Output: Grayscale (binarized) image with green pixels set to 255
-  static cv::Mat ThresholdImage(cv::Mat rgb_image);
+  static cv::Mat ThresholdImage(cv::Mat bgr_image);
 
   // Given binary image, extract blobs
   static std::vector<std::vector<cv::Point>> FindBlobs(cv::Mat threshold_image);
@@ -52,7 +52,7 @@
       const std::vector<std::vector<cv::Point>> &unfiltered_blobs,
       const std::vector<BlobStats> &blob_stats, cv::Point centroid);
 
-  static void ExtractBlobs(cv::Mat rgb_image, BlobResult *blob_result);
+  static void ExtractBlobs(cv::Mat bgr_image, BlobResult *blob_result);
 };
 }  // namespace vision
 }  // namespace y2022