from functools import partial from PIL import Image import numpy as np import gradio as gr import torch import os import fire from omegaconf import OmegaConf from SyncDreamer.ldm.models.diffusion.sync_dreamer import SyncDDIMSampler, SyncMultiviewDiffusion from SyncDreamer.ldm.util import add_margin, instantiate_from_config from sam_utils import sam_init, sam_out_nosave from SyncDreamer.ldm.util import instantiate_from_config, prepare_inputs import argparse import cv2 from transformers import pipeline from diffusers.utils import load_image, make_image_grid from diffusers import UniPCMultistepScheduler from pipeline_controlnet_sync import StableDiffusionControlNetPipeline from controlnet_sync import ControlNetModelSync _TITLE = '''ControlNet + SyncDreamer''' _DESCRIPTION = ''' Given a single-view image and select a target azimuth, ControlNet + SyncDreamer is able to generate the target view. This HF app is modified from [SyncDreamer HF app](https://huggingface.co/spaces/liuyuan-pal/SyncDreamer). The difference is that I added ControlNet on top of SyncDreamer. In addition, the elevations of both input and output images are assumed to be 30 degrees. ''' _USER_GUIDE0 = "Step1: Please upload an image in the block above (or choose an example shown in the left)." _USER_GUIDE2 = "Step2: Please choose a **Target azimuth** and click **Run Generation**. The **Target azimuth** is the azimuth of the output image relative to the input image in clockwise. This costs about 45s." _USER_GUIDE3 = "Generated output image of the target view is shown below! (You may adjust the **Crop size** and **Target azimuth** to get another result!)" others = '''**Step 1**. Select "Crop size" and click "Crop it". ==> The foreground object is centered and resized.
''' deployed = True if deployed: print(f"Is CUDA available: {torch.cuda.is_available()}") print(f"CUDA device: {torch.cuda.get_device_name(torch.cuda.current_device())}") class BackgroundRemoval: def __init__(self, device='cuda'): from carvekit.api.high import HiInterface self.interface = HiInterface( object_type="object", # Can be "object" or "hairs-like". batch_size_seg=5, batch_size_matting=1, device=device, seg_mask_size=640, # Use 640 for Tracer B7 and 320 for U2Net matting_mask_size=2048, trimap_prob_threshold=231, trimap_dilation=30, trimap_erosion_iters=5, fp16=True, ) @torch.no_grad() def __call__(self, image): image = self.interface([image])[0] return image def resize_inputs(image_input, crop_size): if image_input is None: return None alpha_np = np.asarray(image_input)[:, :, 3] coords = np.stack(np.nonzero(alpha_np), 1)[:, (1, 0)] min_x, min_y = np.min(coords, 0) max_x, max_y = np.max(coords, 0) ref_img_ = image_input.crop((min_x, min_y, max_x, max_y)) h, w = ref_img_.height, ref_img_.width scale = crop_size / max(h, w) h_, w_ = int(scale * h), int(scale * w) ref_img_ = ref_img_.resize((w_, h_), resample=Image.BICUBIC) results = add_margin(ref_img_, size=256) return results def generate(pipe, image_input, azimuth): target_index = round(azimuth % 360 / 22.5) output = pipe(conditioning_image=image_input) return output[target_index] def sam_predict(predictor, removal, raw_im): if raw_im is None: return None if deployed: raw_im.thumbnail([512, 512], Image.Resampling.LANCZOS) image_nobg = removal(raw_im.convert('RGB')) arr = np.asarray(image_nobg)[:, :, -1] x_nonzero = np.nonzero(arr.sum(axis=0)) y_nonzero = np.nonzero(arr.sum(axis=1)) x_min = int(x_nonzero[0].min()) y_min = int(y_nonzero[0].min()) x_max = int(x_nonzero[0].max()) y_max = int(y_nonzero[0].max()) image_nobg.thumbnail([512, 512], Image.Resampling.LANCZOS) image_sam = sam_out_nosave(predictor, image_nobg.convert("RGB"), (x_min, y_min, x_max, y_max)) image_sam = np.asarray(image_sam, np.float32) / 255 out_mask = image_sam[:, :, 3:] out_rgb = image_sam[:, :, :3] * out_mask + 1 - out_mask out_img = (np.concatenate([out_rgb, out_mask], 2) * 255).astype(np.uint8) image_sam = Image.fromarray(out_img, mode='RGBA') torch.cuda.empty_cache() return image_sam else: return raw_im def load_model(cfg,ckpt,strict=True): config = OmegaConf.load(cfg) model = instantiate_from_config(config.model) print(f'loading model from {ckpt} ...') ckpt = torch.load(ckpt,map_location='cuda') model.load_state_dict(ckpt['state_dict'],strict=strict) model = model.cuda().eval() return model def run_demo(): if deployed: controlnet = ControlNetModelSync.from_pretrained('controlnet_ckpt', torch_dtype=torch.float32, use_safetensors=True) cfg = 'SyncDreamer/configs/syncdreamer.yaml' dreamer = load_model(cfg, 'SyncDreamer/ckpt/syncdreamer-pretrain.ckpt', strict=True) controlnet.to('cuda', dtype=torch.float32) pipe = StableDiffusionControlNetPipeline.from_pretrained( controlnet=controlnet, dreamer=dreamer, torch_dtype=torch.float32, use_safetensors=True ) pipe.to('cuda', dtype=torch.float32) mask_predictor = sam_init() removal = BackgroundRemoval() else: mask_predictor = None removal = None controlnet = None dreamer = None pipe = None # NOTE: Examples must match inputs examples_full = [ ['hf_demo/examples/fox.png',200], ['hf_demo/examples/monkey.png',200], ['hf_demo/examples/cat.png',200], ['hf_demo/examples/crab.png',200], ['hf_demo/examples/elephant.png',200], ['hf_demo/examples/flower.png',200], ['hf_demo/examples/forest.png',200], ['hf_demo/examples/teapot.png',200], ['hf_demo/examples/basket.png',200], ] image_block = gr.Image(type='pil', image_mode='RGBA', height=256, label='Input image', tool=None, interactive=True) azimuth = gr.Slider(0, 360, 90, step=22.5, label='Target azimuth', interactive=True) crop_size = gr.Slider(120, 240, 200, step=10, label='Crop size', interactive=True) # Compose demo layout & data flow. with gr.Blocks(title=_TITLE, css="hf_demo/style.css") as demo: with gr.Row(): with gr.Column(scale=1): gr.Markdown('# ' + _TITLE) gr.Markdown(_DESCRIPTION) with gr.Row(variant='panel'): with gr.Column(scale=1.2): gr.Examples( examples=examples_full, # NOTE: elements must match inputs list! inputs=[image_block, crop_size], outputs=[image_block, crop_size], cache_examples=False, label='Examples (click one of the images below to start)', examples_per_page=5, ) with gr.Column(scale=0.8): image_block.render() guide_text = gr.Markdown(_USER_GUIDE0, visible=True) fig0 = gr.Image(value=Image.open('assets/crop_size.jpg'), type='pil', image_mode='RGB', height=256, show_label=False, tool=None, interactive=False) with gr.Column(scale=0.8): sam_block = gr.Image(type='pil', image_mode='RGBA', label="SAM output", height=256, interactive=False) crop_size.render() fig1 = gr.Image(value=Image.open('assets/azimuth.jpg'), type='pil', image_mode='RGB', height=256, show_label=False, tool=None, interactive=False) with gr.Column(scale=0.8): input_block = gr.Image(type='pil', image_mode='RGBA', label="Input to ControlNet + SyncDreamer", height=256, interactive=False) azimuth.render() with gr.Accordion('Advanced options', open=False): seed = gr.Number(6033, label='Random seed', interactive=True) run_btn = gr.Button('Run generation', variant='primary', interactive=True) output_block = gr.Image(type='pil', image_mode='RGB', label="Output of ControlNet + SyncDreamer", height=256, interactive=False) def update_guide2(text, im): if im is None: return _USER_GUIDE0 else: return text update_guide = lambda GUIDE_TEXT: gr.update(value=GUIDE_TEXT) image_block.clear(fn=partial(update_guide, _USER_GUIDE0), outputs=[guide_text], queue=False) image_block.change(fn=partial(sam_predict, mask_predictor, removal), inputs=[image_block], outputs=[sam_block], queue=True) \ .success(fn=resize_inputs, inputs=[sam_block, crop_size], outputs=[input_block], queue=True)\ .success(fn=partial(update_guide2, _USER_GUIDE2), inputs=[image_block], outputs=[guide_text], queue=False)\ crop_size.change(fn=resize_inputs, inputs=[sam_block, crop_size], outputs=[input_block], queue=True)\ .success(fn=partial(update_guide, _USER_GUIDE2), outputs=[guide_text], queue=False) run_btn.click(partial(generate, pipe), inputs=[input_block, azimuth], outputs=[output_block], queue=True)\ .success(fn=partial(update_guide, _USER_GUIDE3), outputs=[guide_text], queue=False) demo.queue().launch(share=False, max_threads=80) # auth=("admin", os.environ['PASSWD']) if __name__=="__main__": fire.Fire(run_demo)