minimize compression damage with image resize

not sure if it's effective

process_queue.py

@@ -13,6 +13,7 @@ from telethon.errors.rpcerrorlist import MessageNotModifiedError, UserIsBlockedE
 
 log = logging.getLogger('process')
 
+scale_factor = 1.5
 default_vars = {
 	"sampler_name": "DPM++ 2M Karras",
 }
@@ -173,7 +174,8 @@ class Worker:
 
 		for fn in images:		
 			img = Image.open(fn)
-			img.thumbnail((1280,1280))
+			width, height = img.size
+			img = img.resize((int(width * scale_factor), int(height * scale_factor)))
 			imgdata = BytesIO()
 			img.save(imgdata, format='JPEG')
 			siz = imgdata.seek(0,2)