import spaces import torch # see https://huggingface.co/spaces/zero-gpu-explorers/README/discussions/85 def my_arange(*args, **kwargs): return torch.arange(*args, **kwargs) torch.arange = my_arange from pathlib import Path import gradio as gr from gradio_imageslider import ImageSlider from huggingface_hub import hf_hub_download from PIL import Image from refiners.fluxion.utils import manual_seed from refiners.foundationals.latent_diffusion import Solver, solvers from enhancer import ESRGANUpscaler, ESRGANUpscalerCheckpoints TITLE = """

Image Enhancer, Powered By Refiners

We reproduced the Clarity Image Enhancer on top of Refiners, our micro-framework for simple foundation model adaptation. Feel free to star Refiners on GitHub if you like it!

[blog post] [refiners] [clarity-upscaler] [finegrain]

""" CHECKPOINTS = ESRGANUpscalerCheckpoints( unet=Path( hf_hub_download( repo_id="refiners/juggernaut.reborn", filename="unet.safetensors", revision="948510aaf4c8e8e9b32b5a7c25736422253f7b93", ) ), clip_text_encoder=Path( hf_hub_download( repo_id="refiners/juggernaut.reborn", filename="text_encoder.safetensors", revision="948510aaf4c8e8e9b32b5a7c25736422253f7b93", ) ), lda=Path( hf_hub_download( repo_id="refiners/juggernaut.reborn", filename="autoencoder.safetensors", revision="948510aaf4c8e8e9b32b5a7c25736422253f7b93", ) ), controlnet_tile=Path( hf_hub_download( repo_id="refiners/controlnet.sd15.tile", filename="model.safetensors", revision="48ced6ff8bfa873a8976fa467c3629a240643387", ) ), esrgan=Path( hf_hub_download( repo_id="philz1337x/upscaler", filename="4x-UltraSharp.pth", revision="011deacac8270114eb7d2eeff4fe6fa9a837be70", ) ), negative_embedding=Path( hf_hub_download( repo_id="philz1337x/embeddings", filename="JuggernautNegative-neg.pt", revision="203caa7e9cc2bc225031a4021f6ab1ded283454a", ) ), negative_embedding_key="string_to_param.*", loras={ "more_details": Path( hf_hub_download( repo_id="philz1337x/loras", filename="more_details.safetensors", revision="a3802c0280c0d00c2ab18d37454a8744c44e474e", ) ), "sdxl_render": Path( hf_hub_download( repo_id="philz1337x/loras", filename="SDXLrender_v2.0.safetensors", revision="a3802c0280c0d00c2ab18d37454a8744c44e474e", ) ), }, ) LORA_SCALES = { "more_details": 0.5, "sdxl_render": 1.0, } # initialize the enhancer, on the cpu DEVICE_CPU = torch.device("cpu") DTYPE = torch.bfloat16 if torch.cuda.is_bf16_supported() else torch.float32 enhancer = ESRGANUpscaler(checkpoints=CHECKPOINTS, device=DEVICE_CPU, dtype=DTYPE) # "move" the enhancer to the gpu, this is handled by Zero GPU DEVICE = torch.device("cuda" if torch.cuda.is_available() else "cpu") enhancer.to(device=DEVICE, dtype=DTYPE) @spaces.GPU def process( input_image: Image.Image, prompt: str = "masterpiece, best quality, highres", negative_prompt: str = "worst quality, low quality, normal quality", seed: int = 42, upscale_factor: int = 2, controlnet_scale: float = 0.6, controlnet_decay: float = 1.0, condition_scale: int = 6, tile_width: int = 112, tile_height: int = 144, denoise_strength: float = 0.35, num_inference_steps: int = 18, solver: str = "DDIM", ) -> tuple[Image.Image, Image.Image]: manual_seed(seed) solver_type: type[Solver] = getattr(solvers, solver) enhanced_image = enhancer.upscale( image=input_image, prompt=prompt, negative_prompt=negative_prompt, upscale_factor=upscale_factor, controlnet_scale=controlnet_scale, controlnet_scale_decay=controlnet_decay, condition_scale=condition_scale, tile_size=(tile_height, tile_width), denoise_strength=denoise_strength, num_inference_steps=num_inference_steps, loras_scale=LORA_SCALES, solver_type=solver_type, ) return (input_image, enhanced_image) with gr.Blocks() as demo: gr.HTML(TITLE) with gr.Row(): with gr.Column(): input_image = gr.Image(type="pil", label="Input Image") run_button = gr.ClearButton(components=None, value="Enhance Image") with gr.Column(): output_slider = ImageSlider(label="Before / After") run_button.add(output_slider) with gr.Accordion("Advanced Options", open=False): prompt = gr.Textbox( label="Prompt", placeholder="masterpiece, best quality, highres", ) negative_prompt = gr.Textbox( label="Negative Prompt", placeholder="worst quality, low quality, normal quality", ) seed = gr.Slider( minimum=0, maximum=10_000, value=42, step=1, label="Seed", ) upscale_factor = gr.Slider( minimum=1, maximum=4, value=2, step=0.2, label="Upscale Factor", ) controlnet_scale = gr.Slider( minimum=0, maximum=1.5, value=0.6, step=0.1, label="ControlNet Scale", ) controlnet_decay = gr.Slider( minimum=0.5, maximum=1, value=1.0, step=0.025, label="ControlNet Scale Decay", ) condition_scale = gr.Slider( minimum=2, maximum=20, value=6, step=1, label="Condition Scale", ) tile_width = gr.Slider( minimum=64, maximum=200, value=112, step=1, label="Latent Tile Width", ) tile_height = gr.Slider( minimum=64, maximum=200, value=144, step=1, label="Latent Tile Height", ) denoise_strength = gr.Slider( minimum=0, maximum=1, value=0.35, step=0.1, label="Denoise Strength", ) num_inference_steps = gr.Slider( minimum=1, maximum=30, value=18, step=1, label="Number of Inference Steps", ) solver = gr.Radio( choices=["DDIM", "DPMSolver"], value="DDIM", label="Solver", ) run_button.click( fn=process, inputs=[ input_image, prompt, negative_prompt, seed, upscale_factor, controlnet_scale, controlnet_decay, condition_scale, tile_width, tile_height, denoise_strength, num_inference_steps, solver, ], outputs=output_slider, ) gr.Examples( examples=[ "examples/kara-eads-L7EwHkq1B2s-unsplash.jpg", "examples/clarity_bird.webp", "examples/edgar-infocus-gJH8AqpiSEU-unsplash.jpg", "examples/jeremy-wallace-_XjW3oN8UOE-unsplash.jpg", "examples/karina-vorozheeva-rW-I87aPY5Y-unsplash.jpg", "examples/karographix-photography-hIaOPjYCEj4-unsplash.jpg", "examples/melissa-walker-horn-gtDYwUIr9Vg-unsplash.jpg", "examples/ryoji-iwata-X53e51WfjlE-unsplash.jpg", "examples/tadeusz-lakota-jggQZkITXng-unsplash.jpg", ], inputs=[input_image], outputs=output_slider, fn=process, cache_examples="lazy", run_on_click=False, ) demo.launch(share=False)