Remove raw depth map compression logic

Eliminated the depth map quantization, PNG encoding, and Base64 conversion. Simplifies the depth map handling to return only normalized results. Removed unused `cv2` import as it's no longer required.

handler.py

@@ -7,7 +7,7 @@ import matplotlib.pyplot as plt
 from PIL import Image
 from transformers import AutoImageProcessor, AutoModelForDepthEstimation
 import numpy as np
-import cv2
+
 
 
 class EndpointHandler:
@@ -107,18 +107,7 @@ class EndpointHandler:
                 "format": "base64_png"
             }
         else:
-            # Return raw depth map
-            # Quantize and compress the depth map for efficient transmission
-            depth_16bit = np.clip(depth_map, 0, 10) * 6553.5  # assuming 0–10m range
-            depth_16bit = depth_16bit.astype(np.uint16)
-
-            # Encode as PNG in memory
-            success, buffer = cv2.imencode('.png', depth_16bit)
-            if not success:
-                raise RuntimeError("Failed to encode depth map as PNG")
-
-            # Base64 encode the PNG for transmission
-            compressed_depth_base64 = base64.b64encode(buffer).decode('utf-8')
+
 
             result = {
                 # "depth": normalized_depth.tolist(),