app.py

import gradio as gr
import matplotlib.pyplot as plt
from PIL import Image
from ultralyticsplus import YOLO, render_result
import cv2
import numpy as np
from transformers import pipeline

model = YOLO('best (1).pt')
model2 = pipeline('image-classification','Kaludi/csgo-weapon-classification')
name = ['grenade','knife','pistol','rifle']

 # for i, r in enumerate(results):
      
 #    # Plot results image
 #      im_bgr = r.plot()  
 #      im_rgb = im_bgr[..., ::-1]  # Convert BGR to RGB

def response(image):
  print(image)
  results = model(image)
  text = ""
  name_weap = ""
    
  for r in results:
    conf = np.array(r.boxes.conf)
    cls = np.array(r.boxes.cls)
    cls = cls.astype(int)
    xywh = np.array(r.boxes.xywh)
    xywh = xywh.astype(int)  
      
    for con, cl, xy in zip(conf, cls, xywh):
        cone = con.astype(float)
        conef = round(cone,3)
        conef = conef * 100
        text += (f"Detected {name[cl]} with confidence {round(conef,1)}% at ({xy[0]},{xy[1]})\n")
        
        if cl == 0:
            name_weap += name[cl] + '\n'
        elif cl == 1:
            name_weap += name[cl] + '\n'
        elif cl == 2:
            out = model2(image)
            name_weap += out[0]["label"] + '\n'
        elif cl == 3:
            out = model2(image)
            name_weap += out[0]["label"] + '\n'

        
    # im_rgb = Image.fromarray(im_rgb)
    
      
    return name_weap, text



def response2(image: gr.Image = None,image_size: gr.Slider = 640, conf_threshold: gr.Slider = 0.3, iou_threshold: gr.Slider = 0.6):

    results = model.predict(image, conf=conf_threshold, iou=iou_threshold, imgsz=image_size)

    box = results[0].boxes

    render = render_result(model=model, image=image, result=results[0], rect_th = 1, text_th = 1)
   
   
    weapon_name, text_detection = response(image)
   
    
    # xywh = int(results.boxes.xywh)
    # x = xywh[0]
    # y = xywh[1]
        
   
            
    return render, text_detection, weapon_name


inputs = [
    gr.Image(type="filepath",  label="Input Image"),
    gr.Slider(minimum=320, maximum=1280, value=640,
                     step=32, label="Image Size"),
    gr.Slider(minimum=0.0, maximum=1.0, value=0.3,
                     step=0.05, label="Confidence Threshold"),
    gr.Slider(minimum=0.0, maximum=1.0, value=0.6,
                     step=0.05, label="IOU Threshold"),
]


outputs = [gr.Image( type="filepath", label="Output Image"),
           gr.Textbox(label="Result"),
           gr.Textbox(label="Weapon Name")
          ]

title = "YOLOv8 Custom Object Detection by Uyen Nguyen"


examples = [['th (11).jpg', 640, 0.3, 0.6],
            ['th (8).jpg', 640, 0.3, 0.6],
            ['th (3).jpg', 640, 0.3, 0.6],
            ['th.jpg', 640, 0.15, 0.6],
            ['th (2).jpg', 640, 0.15, 0.6],
           ]
           
           


iface = gr.Interface(fn=response2, inputs=inputs, outputs=outputs, examples=examples)
iface.launch(debug=True)