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https://github.com/invoke-ai/InvokeAI
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53 lines
1.6 KiB
Python
53 lines
1.6 KiB
Python
import os
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import torch
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import cv2
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import numpy as np
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from PIL import Image
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from diffusers.utils import load_image
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from diffusers.models.controlnet import ControlNetModel
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from invokeai.backend.generator import Txt2Img
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from invokeai.backend.model_management import ModelManager
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print("loading 'Girl with a Pearl Earring' image")
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image = load_image(
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"https://hf.co/datasets/huggingface/documentation-images/resolve/main/diffusers/input_image_vermeer.png"
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)
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image.show()
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print("preprocessing image with Canny edge detection")
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image_np = np.array(image)
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low_threshold = 100
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high_threshold = 200
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canny_np = cv2.Canny(image_np, low_threshold, high_threshold)
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canny_image = Image.fromarray(canny_np)
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canny_image.show()
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# using invokeai model management for base model
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print("loading base model stable-diffusion-1.5")
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model_config_path = os.getcwd() + "/../configs/models.yaml"
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model_manager = ModelManager(model_config_path)
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model = model_manager.get_model("stable-diffusion-1.5")
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print("loading control model lllyasviel/sd-controlnet-canny")
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canny_controlnet = ControlNetModel.from_pretrained("lllyasviel/sd-controlnet-canny", torch_dtype=torch.float16).to(
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"cuda"
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)
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print("testing Txt2Img() constructor with control_model arg")
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txt2img_canny = Txt2Img(model, control_model=canny_controlnet)
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print("testing Txt2Img.generate() with control_image arg")
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outputs = txt2img_canny.generate(
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prompt="old man",
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control_image=canny_image,
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control_weight=1.0,
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seed=0,
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num_steps=30,
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precision="float16",
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)
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generate_output = next(outputs)
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out_image = generate_output.image
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out_image.show()
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