--- image.h	2002/03/26 11:16:08	1.2
+++ image.h	2002/04/13 16:30:02	1.4
@@ -26,10 +26,24 @@
 					   IMAGE * refh, IMAGE * refv,	IMAGE * refhv, 
 					   uint32_t edged_width, uint32_t edged_height, uint32_t rounding);
 
+float image_psnr(IMAGE *orig_image, IMAGE *recon_image,
+              uint16_t stride, uint16_t width, uint16_t height);
+
+
 int image_input(IMAGE * image, uint32_t width, int height, uint32_t edged_width,
 			uint8_t * src, int csp);
 
 int image_output(IMAGE * image, uint32_t width, int height, uint32_t edged_width,
 			uint8_t * dst, uint32_t dst_stride, int csp);
 
+
+
+int image_dump_yuvpgm(IMAGE * image, 
+				uint32_t edged_width, 
+			    uint32_t width, uint32_t height,
+			   char * filename);
+
+float image_mad(const IMAGE * img1, const IMAGE * img2, uint32_t stride,
+					uint32_t width, uint32_t height);
+
 #endif /* _IMAGE_H_ */