diff --git a/air_moveit_config/include/detect_and_add.hpp b/air_moveit_config/include/detect_and_add.hpp
index de03d79..f7056d8 100644
--- a/air_moveit_config/include/detect_and_add.hpp
+++ b/air_moveit_config/include/detect_and_add.hpp
@@ -3,8 +3,9 @@
 
 #include <ros/ros.h>
 #include <std_msgs/Int32MultiArray.h>
+#include <std_msgs/Float32.h>
 #include <vision_msgs/Detection2DArray.h>
-
+#include <sensor_msgs/PointCloud2.h>
 class air_object
 {
     public:
@@ -13,13 +14,17 @@ class air_object
 
     void yolo_callback(const vision_msgs::Detection2DArrayConstPtr& d2d_arr_msg);
     void pcl_callback(const sensor_msgs::PointCloud2ConstPtr& msg);
+    void radius_estimator_callback(const std_msgs::Float32ConstPtr& radius);
+    void sphereCallback(const std_msgs::Float32MultiArray::ConstPtr& xyz);
     std_msgs::Float32MultiArray m_xyz;
 
     ros::NodeHandle m_NodeHandle;
-    ros::Publisher m_coordinate_pub;
+    ros::Publisher  m_coordinate_pub;
+    ros::Subscriber m_coordinate_sub;
     ros::Subscriber m_yolo_sub;
     ros::Subscriber m_pcl_sub;
     ros::Subscriber m_sub;
+    ros::Subscriber m_estimator_sub;
 
     float m_x;
     float m_y;
@@ -29,6 +34,7 @@ class air_object
     int m_center_y;
     int m_center_x_buffer;
     int m_center_y_buffer;
+    float m_radius;
     private:
 
 };
diff --git a/air_moveit_config/launch/air_bringup.launch b/air_moveit_config/launch/air_bringup.launch
index 6403025..8ddebf7 100644
--- a/air_moveit_config/launch/air_bringup.launch
+++ b/air_moveit_config/launch/air_bringup.launch
@@ -19,8 +19,8 @@
   <include file="$(find yolov7_ros)/launch/yolov7.launch" pass_all_args="true" unless="$(arg slave)"/>
   <include file="$(find realsense2_camera)/launch/rs_camera.launch" unless="$(arg bagfile)"/>
 
-  <node pkg="air_moveit_config" name="air_detection_publisher" type="detect_and_add_orange" output="screen"/>
+  <node pkg="air_moveit_config" name="air_detection_publisher" type="detect_and_add_ball" output="screen"/>
   <node pkg="air_moveit_config" name="air_collision_publisher" type="add_sphere" output="screen"/>
-  
+  <node pkg="radius_estimation" name="regression_node"  type="estimate.py" output="screen"/>
 
 </launch>
diff --git a/air_moveit_config/src/add_sphere.cpp b/air_moveit_config/src/add_sphere.cpp
index 9e4dc32..84796d3 100644
--- a/air_moveit_config/src/add_sphere.cpp
+++ b/air_moveit_config/src/add_sphere.cpp
@@ -1,19 +1,32 @@
-#include <ros/ros.h>
 #include <moveit/planning_scene_interface/planning_scene_interface.h>
 #include <moveit_msgs/CollisionObject.h>
 #include <geometry_msgs/Vector3.h>
 #include <std_msgs/Float32MultiArray.h>
 #include <cmath>
+#include "../include/detect_and_add.hpp"
+
+
+
+air_object::air_object(ros::NodeHandle& nh)
+  : m_NodeHandle(nh) 
+{
+  ros::Subscriber sub;
+  m_estimator_sub = m_NodeHandle.subscribe("/radius_estimator", 1000, &air_object::radius_estimator_callback, this);
+  m_coordinate_sub = m_NodeHandle.subscribe("/coordinates_of_object", 1000, &air_object::sphereCallback, this);
+}
+
+void air_object::radius_estimator_callback(const std_msgs::Float32ConstPtr& radius)
+{
+  m_radius = radius->data*0.01;
+}
 
-ros::Subscriber sub;
 
 
 // Callback function for the subscriber
-void sphereCallback(const std_msgs::Float32MultiArray::ConstPtr xyz)
+void air_object::sphereCallback(const std_msgs::Float32MultiArray::ConstPtr& xyz)
 { 
   moveit::planning_interface::PlanningSceneInterface planning_scene_interface;
   // Get the sphere dimensions from the message
-  float radius = 0.0685; // Radius of sphere(ball)
   float x = xyz->data[0];
   float y = xyz->data[1];
   float z = xyz->data[2];
@@ -22,15 +35,15 @@ void sphereCallback(const std_msgs::Float32MultiArray::ConstPtr xyz)
   shape_msgs::SolidPrimitive primitive;
   primitive.type = primitive.SPHERE;
   primitive.dimensions.resize(1);
-  primitive.dimensions[0] = radius;
+  primitive.dimensions[0] = m_radius;
 
   // Specify the pose of the sphere
   geometry_msgs::Pose pose;
   // To fix data transformations -> x = z, y = -x, z = -y
   float cam_degree = 30; // Angle between robot and camera
-  pose.position.x = z + (((radius/2) / sin(((90-cam_degree) * M_PI)/180))*2);
+  pose.position.x = z + (((m_radius/2) / sin(((90-cam_degree) * M_PI)/180))*2);
   pose.position.y = -x; 
-  pose.position.z = -y + radius; //hotfix for collision
+  pose.position.z = -y + (m_radius/4); //hotfix for collision
 
   // Orientation fix (to do: cam_degree)
   pose.orientation.w = 0.9659258;
@@ -56,9 +69,9 @@ void sphereCallback(const std_msgs::Float32MultiArray::ConstPtr xyz)
 int main(int argc, char** argv)
 {
   ros::init(argc, argv, "detect_and_add_sphere_collision_object_demo");
-  ros::NodeHandle node_handle;
-  // Subscribe to the sphere dimensions topic
-  sub = node_handle.subscribe("/coordinates_of_object", 10, sphereCallback);
+  ros::NodeHandle nh;
+  air_object object(nh);
+
   ros::spin();
   return 0;
 }
\ No newline at end of file
diff --git a/radius_estimation/scripts/estimate.py b/radius_estimation/scripts/estimate.py
new file mode 100755
index 0000000..36ce39a
--- /dev/null
+++ b/radius_estimation/scripts/estimate.py
@@ -0,0 +1,48 @@
+#!/usr/bin/env python3
+
+import rospy
+from sensor_msgs.msg import Image
+from cv_bridge import CvBridge
+from pyrealsense2 import pyrealsense2 as rs
+from vision_msgs.msg import Detection2DArray
+from std_msgs.msg import Float32
+import cv2
+import numpy as np
+import os
+# Modeli yükleme
+import joblib
+
+
+
+class Estimator:
+    def __init__(self):
+        self.model = joblib.load("/home/cenk/regression_model2.joblib")  #import pretrained model
+        self.bridge = CvBridge()
+        self.depth_scale = 0.001
+        rospy.init_node('regression_node')
+        rospy.Subscriber('/yolov7/yolov7', Detection2DArray, self.image_callback)
+        rospy.Subscriber('/camera/aligned_depth_to_color/image_raw', Image, self.depth_callback)
+        self.pub = rospy.Publisher("/radius_estimator", Float32, queue_size=10)
+
+
+    def image_callback(self,detection_array):
+        # Bbox to numpy
+        for detection in detection_array.detections:
+            if detection.results[0].id == 32: # nesne ID'si 32 ise
+                bbox = detection.bbox
+                depth = (self.depth_image[int(bbox.center.y), int(bbox.center.x)]) * self.depth_scale
+                features = np.array([depth, bbox.size_x, bbox.size_y])
+                features = features.reshape(1, -1) # add an extra dimension
+                predict=self.model.predict(features)
+                self.pub.publish(predict)   #check
+                print("Radius of ball predicted as %d cm" % predict)
+                
+
+    def depth_callback(self, depth_image):
+        self.depth_image = self.bridge.imgmsg_to_cv2(depth_image, desired_encoding="passthrough")
+
+
+
+if __name__ == '__main__':
+    estimator=Estimator()
+    rospy.spin()
diff --git a/realsense-ros/realsense2_camera/launch/rs_camera.launch b/realsense-ros/realsense2_camera/launch/rs_camera.launch
index d235e12..b04fb46 100644
--- a/realsense-ros/realsense2_camera/launch/rs_camera.launch
+++ b/realsense-ros/realsense2_camera/launch/rs_camera.launch
@@ -3,7 +3,7 @@
   <arg name="serial_no"           default=""/>
   <arg name="usb_port_id"         default=""/>
   <arg name="device_type"         default=""/>
-  <arg name="json_file_path"      default="$(find realsense2_camera)/launch/preset.json"/>
+  <arg name="json_file_path"      default=""/>
   <arg name="camera"              default="camera"/>
   <arg name="tf_prefix"           default="$(arg camera)"/>
   <arg name="external_manager"    default="false"/>
@@ -19,8 +19,8 @@
   <arg name="depth_height"        default="480"/>
   <arg name="enable_depth"        default="true"/>
 
-  <arg name="confidence_width"    default="640"/>
-  <arg name="confidence_height"   default="640"/>
+  <arg name="confidence_width"    default="640"/> 
+  <arg name="confidence_height"   default="480"/>
   <arg name="enable_confidence"   default="false"/>
   <arg name="confidence_fps"      default="-1"/>
 
diff --git a/yolov7-ros/launch/yolov7.launch b/yolov7-ros/launch/yolov7.launch
index dc0fe7a..855e3b8 100644
--- a/yolov7-ros/launch/yolov7.launch
+++ b/yolov7-ros/launch/yolov7.launch
@@ -3,7 +3,7 @@
     ns="yolov7">
         <!-- Download the official weights from the original repo -->
         <param name="weights_path" type="str"
-        value="$(find yolov7_ros)/src/yolov7-tiny.pt"/>
+        value="$(find yolov7_ros)/src/ball-tiny.pt"/>
         <!-- Path to a class_labels.txt file containing your desired class labels. The i-th entry corresponds to the i-th class id. For example, in coco class label 0 corresponds to 'person'. Files for the coco and berkeley deep drive datasets are provided in the 'class_labels/' directory. If you leave it empty then no class labels are visualized.-->
         <param name="classes_path" type="str" value="$(find yolov7_ros)/class_labels/coco.txt" />
         <!-- topic name to subscribe to -->