Create vtoonify_model.py

vtoonify_model.py

@@ -0,0 +1,282 @@
+from __future__ import annotations
+import gradio as gr
+import pathlib
+import sys
+sys.path.insert(0, 'vtoonify')
+
+from util import load_psp_standalone, get_video_crop_parameter, tensor2cv2
+import torch
+import torch.nn as nn
+import numpy as np
+import dlib
+import cv2
+from model.vtoonify import VToonify
+from model.bisenet.model import BiSeNet
+import torch.nn.functional as F
+from torchvision import transforms
+from model.encoder.align_all_parallel import align_face
+import gc
+import huggingface_hub
+import os
+
+MODEL_REPO = 'PKUWilliamYang/VToonify'
+
+class Model():
+    def __init__(self, device):
+        super().__init__()
+        
+        self.device = device
+        self.style_types = {
+            'cartoon1': ['vtoonify_d_cartoon/vtoonify_s026_d0.5.pt', 26],
+            'cartoon1-d': ['vtoonify_d_cartoon/vtoonify_s_d.pt', 26],
+            'cartoon2-d': ['vtoonify_d_cartoon/vtoonify_s_d.pt', 64],
+            'cartoon3-d': ['vtoonify_d_cartoon/vtoonify_s_d.pt', 153],
+            'cartoon4': ['vtoonify_d_cartoon/vtoonify_s299_d0.5.pt', 299],
+            'cartoon4-d': ['vtoonify_d_cartoon/vtoonify_s_d.pt', 299],
+            'cartoon5-d': ['vtoonify_d_cartoon/vtoonify_s_d.pt', 8],
+            'comic1-d': ['vtoonify_d_comic/vtoonify_s_d.pt', 28],
+            'comic2-d': ['vtoonify_d_comic/vtoonify_s_d.pt', 18],
+            'arcane1': ['vtoonify_d_arcane/vtoonify_s000_d0.5.pt', 0],
+            'arcane1-d': ['vtoonify_d_arcane/vtoonify_s_d.pt', 0],
+            'arcane2': ['vtoonify_d_arcane/vtoonify_s077_d0.5.pt', 77],
+            'arcane2-d': ['vtoonify_d_arcane/vtoonify_s_d.pt', 77],
+            'caricature1': ['vtoonify_d_caricature/vtoonify_s039_d0.5.pt', 39],
+            'caricature2': ['vtoonify_d_caricature/vtoonify_s068_d0.5.pt', 68],
+            'pixar': ['vtoonify_d_pixar/vtoonify_s052_d0.5.pt', 52],
+            'pixar-d': ['vtoonify_d_pixar/vtoonify_s_d.pt', 52],
+            'illustration1-d': ['vtoonify_d_illustration/vtoonify_s054_d_c.pt', 54],
+            'illustration2-d': ['vtoonify_d_illustration/vtoonify_s004_d_c.pt', 4],
+            'illustration3-d': ['vtoonify_d_illustration/vtoonify_s009_d_c.pt', 9],
+            'illustration4-d': ['vtoonify_d_illustration/vtoonify_s043_d_c.pt', 43],
+            'illustration5-d': ['vtoonify_d_illustration/vtoonify_s086_d_c.pt', 86],
+        }
+        
+        self.landmarkpredictor = self._create_dlib_landmark_model()
+        self.parsingpredictor = self._create_parsing_model()
+        self.pspencoder = self._load_encoder()    
+        self.transform = transforms.Compose([
+            transforms.ToTensor(),
+            transforms.Normalize(mean=[0.5, 0.5, 0.5],std=[0.5,0.5,0.5]),
+            ])
+        
+        self.vtoonify, self.exstyle = self._load_default_model()
+        self.color_transfer = False
+        self.style_name = 'cartoon1'
+        self.video_limit_cpu = 100
+        self.video_limit_gpu = 300
+        
+    @staticmethod
+    def _create_dlib_landmark_model():
+        return dlib.shape_predictor(huggingface_hub.hf_hub_download(MODEL_REPO,
+                                                    'models/shape_predictor_68_face_landmarks.dat'))
+    
+    def _create_parsing_model(self):
+        parsingpredictor = BiSeNet(n_classes=19)
+        parsingpredictor.load_state_dict(torch.load(huggingface_hub.hf_hub_download(MODEL_REPO, 'models/faceparsing.pth'),
+                                                    map_location=lambda storage, loc: storage))
+        parsingpredictor.to(self.device).eval()
+        return parsingpredictor
+    
+    def _load_encoder(self) -> nn.Module:
+        style_encoder_path = huggingface_hub.hf_hub_download(MODEL_REPO,'models/encoder.pt')
+        return load_psp_standalone(style_encoder_path, self.device)
+    
+    def _load_default_model(self) -> tuple[torch.Tensor, str]:
+        vtoonify = VToonify(backbone = 'dualstylegan')
+        vtoonify.load_state_dict(torch.load(huggingface_hub.hf_hub_download(MODEL_REPO,
+                                            'models/vtoonify_d_cartoon/vtoonify_s026_d0.5.pt'), 
+                                            map_location=lambda storage, loc: storage)['g_ema'])
+        vtoonify.to(self.device)
+        tmp = np.load(huggingface_hub.hf_hub_download(MODEL_REPO,'models/vtoonify_d_cartoon/exstyle_code.npy'), allow_pickle=True).item()
+        exstyle = torch.tensor(tmp[list(tmp.keys())[26]]).to(self.device)
+        with torch.no_grad():  
+            exstyle = vtoonify.zplus2wplus(exstyle)
+        return vtoonify, exstyle
+    
+    def load_model(self, style_type: str) -> tuple[torch.Tensor, str]:
+        if 'illustration' in style_type:
+            self.color_transfer = True
+        else:
+            self.color_transfer = False
+        if style_type not in self.style_types.keys():
+            return None, 'Oops, wrong Style Type. Please select a valid model.'
+        self.style_name = style_type
+        model_path, ind = self.style_types[style_type]
+        style_path = os.path.join('models',os.path.dirname(model_path),'exstyle_code.npy')
+        self.vtoonify.load_state_dict(torch.load(huggingface_hub.hf_hub_download(MODEL_REPO,'models/'+model_path), 
+                                            map_location=lambda storage, loc: storage)['g_ema'])
+        tmp = np.load(huggingface_hub.hf_hub_download(MODEL_REPO, style_path), allow_pickle=True).item()
+        exstyle = torch.tensor(tmp[list(tmp.keys())[ind]]).to(self.device)
+        with torch.no_grad():  
+            exstyle = self.vtoonify.zplus2wplus(exstyle)
+        return exstyle, 'Model of %s loaded.'%(style_type)
+    
+    def detect_and_align(self, frame, top, bottom, left, right, return_para=False):
+        message = 'Error: no face detected! Please retry or change the photo.'
+        paras = get_video_crop_parameter(frame, self.landmarkpredictor, [left, right, top, bottom])
+        instyle = None
+        h, w, scale = 0, 0, 0
+        if paras is not None:
+            h,w,top,bottom,left,right,scale = paras
+            H, W = int(bottom-top), int(right-left)
+            # for HR image, we apply gaussian blur to it to avoid over-sharp stylization results
+            kernel_1d = np.array([[0.125],[0.375],[0.375],[0.125]])
+            if scale <= 0.75:
+                frame = cv2.sepFilter2D(frame, -1, kernel_1d, kernel_1d)
+            if scale <= 0.375:
+                frame = cv2.sepFilter2D(frame, -1, kernel_1d, kernel_1d)
+            frame = cv2.resize(frame, (w, h))[top:bottom, left:right]
+            with torch.no_grad():
+                I = align_face(frame, self.landmarkpredictor)
+                if I is not None:
+                    I = self.transform(I).unsqueeze(dim=0).to(self.device)
+                    instyle = self.pspencoder(I)
+                    instyle = self.vtoonify.zplus2wplus(instyle)
+                    message = 'Successfully rescale the frame to (%d, %d)'%(bottom-top, right-left)
+                else:
+                    frame = np.zeros((256,256,3), np.uint8)
+        else:
+            frame = np.zeros((256,256,3), np.uint8)
+        if return_para:
+            return frame, instyle, message, w, h, top, bottom, left, right, scale
+        return frame, instyle, message
+    
+    #@torch.inference_mode()
+    def detect_and_align_image(self, image: str, top: int, bottom: int, left: int, right: int
+                              ) -> tuple[np.ndarray, torch.Tensor, str]:
+        if image is None:
+            return np.zeros((256,256,3), np.uint8), None, 'Error: fail to load empty file.'
+        frame = cv2.imread(image)
+        if frame is None:
+            return np.zeros((256,256,3), np.uint8), None, 'Error: fail to load the image.'       
+        frame = cv2.cvtColor(frame, cv2.COLOR_RGB2BGR)
+        return self.detect_and_align(frame, top, bottom, left, right)
+    
+    def detect_and_align_video(self, video: str, top: int, bottom: int, left: int, right: int
+                              ) -> tuple[np.ndarray, torch.Tensor, str]:
+        if video is None:
+            return np.zeros((256,256,3), np.uint8), None, 'Error: fail to load empty file.'
+        video_cap = cv2.VideoCapture(video)
+        if video_cap.get(7) == 0:
+            video_cap.release()
+            return np.zeros((256,256,3), np.uint8), torch.zeros(1,18,512).to(self.device), 'Error: fail to load the video.'
+        success, frame = video_cap.read()
+        frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
+        video_cap.release()
+        return self.detect_and_align(frame, top, bottom, left, right)
+    
+    def detect_and_align_full_video(self, video: str, top: int, bottom: int, left: int, right: int) -> tuple[str, torch.Tensor, str]:
+        message = 'Error: no face detected! Please retry or change the video.'
+        instyle = None
+        if video is None:
+            return 'default.mp4', instyle, 'Error: fail to load empty file.'
+        video_cap = cv2.VideoCapture(video)
+        if video_cap.get(7) == 0:
+            video_cap.release()
+            return 'default.mp4', instyle, 'Error: fail to load the video.'    
+        num = min(self.video_limit_gpu, int(video_cap.get(7)))
+        if self.device == 'cpu':
+            num = min(self.video_limit_cpu, num)
+        success, frame = video_cap.read()
+        frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
+        frame, instyle, message, w, h, top, bottom, left, right, scale = self.detect_and_align(frame, top, bottom, left, right, True)
+        if instyle is None:
+            return 'default.mp4', instyle, message    
+        fourcc = cv2.VideoWriter_fourcc(*'mp4v')
+        videoWriter = cv2.VideoWriter('input.mp4', fourcc, video_cap.get(5), (int(right-left), int(bottom-top)))
+        videoWriter.write(cv2.cvtColor(frame, cv2.COLOR_RGB2BGR))
+        kernel_1d = np.array([[0.125],[0.375],[0.375],[0.125]])
+        for i in range(num-1):
+            success, frame = video_cap.read()
+            frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)            
+            if scale <= 0.75:
+                frame = cv2.sepFilter2D(frame, -1, kernel_1d, kernel_1d)
+            if scale <= 0.375:
+                frame = cv2.sepFilter2D(frame, -1, kernel_1d, kernel_1d)
+            frame = cv2.resize(frame, (w, h))[top:bottom, left:right]
+            videoWriter.write(cv2.cvtColor(frame, cv2.COLOR_RGB2BGR))
+
+        videoWriter.release()
+        video_cap.release()
+
+        return 'input.mp4', instyle, 'Successfully rescale the video to (%d, %d)'%(bottom-top, right-left)
+    
+    def image_toonify(self, aligned_face: np.ndarray, instyle: torch.Tensor, exstyle: torch.Tensor, style_degree: float, style_type: str) -> tuple[np.ndarray, str]:
+        #print(style_type + ' ' + self.style_name)
+        if instyle is None or aligned_face is None:
+            return np.zeros((256,256,3), np.uint8), 'Opps, something wrong with the input. Please go to Step 2 and Rescale Image/First Frame again.'
+        if self.style_name != style_type:
+            exstyle, _  = self.load_model(style_type)
+        if exstyle is None:
+            return np.zeros((256,256,3), np.uint8), 'Opps, something wrong with the style type. Please go to Step 1 and load model again.'
+        with torch.no_grad():
+            if self.color_transfer:
+                s_w = exstyle
+            else:
+                s_w = instyle.clone()
+                s_w[:,:7] = exstyle[:,:7]
+
+            x = self.transform(aligned_face).unsqueeze(dim=0).to(self.device)
+            x_p = F.interpolate(self.parsingpredictor(2*(F.interpolate(x, scale_factor=2, mode='bilinear', align_corners=False)))[0], 
+                                scale_factor=0.5, recompute_scale_factor=False).detach()
+            inputs = torch.cat((x, x_p/16.), dim=1)
+            y_tilde = self.vtoonify(inputs, s_w.repeat(inputs.size(0), 1, 1), d_s = style_degree)        
+            y_tilde = torch.clamp(y_tilde, -1, 1)
+        print('*** Toonify %dx%d image with style of %s'%(y_tilde.shape[2], y_tilde.shape[3], style_type))
+        return ((y_tilde[0].cpu().numpy().transpose(1, 2, 0) + 1.0) * 127.5).astype(np.uint8), 'Successfully toonify the image with style of %s'%(self.style_name)
+    
+    def video_tooniy(self, aligned_video: str, instyle: torch.Tensor, exstyle: torch.Tensor, style_degree: float, style_type: str) -> tuple[str, str]:
+        #print(style_type + ' ' + self.style_name)
+        if aligned_video is None:
+            return 'default.mp4', 'Opps, something wrong with the input. Please go to Step 2 and Rescale Video again.'         
+        video_cap = cv2.VideoCapture(aligned_video)
+        if instyle is None or aligned_video is None or video_cap.get(7) == 0:
+            video_cap.release()
+            return 'default.mp4', 'Opps, something wrong with the input. Please go to Step 2 and Rescale Video again.'
+        if self.style_name != style_type:
+            exstyle, _  = self.load_model(style_type)
+        if exstyle is None:
+            return 'default.mp4', 'Opps, something wrong with the style type. Please go to Step 1 and load model again.'
+        num = min(self.video_limit_gpu, int(video_cap.get(7)))
+        if self.device == 'cpu':
+            num = min(self.video_limit_cpu, num)
+        fourcc = cv2.VideoWriter_fourcc(*'mp4v')
+        videoWriter = cv2.VideoWriter('output.mp4', fourcc, 
+                                      video_cap.get(5), (int(video_cap.get(3)*4),
+                                      int(video_cap.get(4)*4)))        
+
+        batch_frames = []
+        if video_cap.get(3) != 0:
+            if self.device == 'cpu':
+                batch_size = max(1, int(4 * 256* 256/ video_cap.get(3) / video_cap.get(4)))
+            else:
+                batch_size = min(max(1, int(4 * 400 * 360/ video_cap.get(3) / video_cap.get(4))), 4)
+        else:
+            batch_size = 1
+        print('*** Toonify using batch size of %d on %dx%d video of %d frames with style of %s'%(batch_size, int(video_cap.get(3)*4), int(video_cap.get(4)*4), num, style_type))
+        with torch.no_grad():
+            if self.color_transfer:
+                s_w = exstyle
+            else:
+                s_w = instyle.clone()
+                s_w[:,:7] = exstyle[:,:7]
+            for i in range(num):
+                success, frame = video_cap.read()
+                frame = cv2.cvtColor(frame, cv2.COLOR_BGR2RGB)
+                batch_frames += [self.transform(frame).unsqueeze(dim=0).to(self.device)]
+                if len(batch_frames) == batch_size or (i+1) == num:
+                    x = torch.cat(batch_frames, dim=0)
+                    batch_frames = []
+                    with torch.no_grad():
+                        x_p = F.interpolate(self.parsingpredictor(2*(F.interpolate(x, scale_factor=2, mode='bilinear', align_corners=False)))[0], 
+                                            scale_factor=0.5, recompute_scale_factor=False).detach()
+                        inputs = torch.cat((x, x_p/16.), dim=1)
+                        y_tilde = self.vtoonify(inputs, s_w.repeat(inputs.size(0), 1, 1), style_degree)       
+                        y_tilde = torch.clamp(y_tilde, -1, 1)
+                    for k in range(y_tilde.size(0)):
+                        videoWriter.write(tensor2cv2(y_tilde[k].cpu()))
+                    gc.collect()
+
+        videoWriter.release()
+        video_cap.release()
+        return 'output.mp4', 'Successfully toonify video of %d frames with style of %s'%(num, self.style_name)