How to generate images like this?

Use Img2Img.

• It is a method to generate new AI images from an input image and text prompt.
• The output image will follow the color and composition of the input image. The input image is just a guide. It does not need to be pretty or have any details.

Go to Img2Img (link)

Step 1 - Img2Img with the following prompt and settings:

Studying girl, best quality, ultra high res, (photorealistic:1.4), stack of books and brown flower pot on table, brown cat on white window ledgeNegative prompt: paintings, sketches, (worst quality:2), (low quality:2), (normal quality:2), lowres, normal quality, ((monochrome)), ((grayscale)), skin spots, acnes, skin blemishes, age spot, glans

Steps: 28, Sampler: DPM++ SDE Karras, CFG scale: 8, Seed: 3242059520, Size: 1024x564, Model hash: fc2511737a, Model: 20230224_chilloutmix_NiPrunedFp32Fix, Denoising strength: 0.38, Mask blur: 4

Step 2 - In-painted cat, black pen and sweater with tweaked prompt, e.g:

best quality, ultra high res, (photorealistic:1.4), back of a sleeping brown cat