Photo to architectural sketch design poster

Please make each photo I upload into a separate high-end design poster, no multi-image stitching, each photo output individually. The overall composition adopts a 3:4 vertical format, with the top and bottom two areas strictly at a 1:1 height ratio, each occupying 50% of the screen.

The upper part retains the original photo, maintaining the subject identity, structure, posture, real texture, natural light and shadow, and original color atmosphere, with only slight high-end color grading to give it the quality of an art magazine or exhibition image. To adapt to the frame, the environmental background can be naturally extended, but the subject must not be stretched, distorted, or changed.

The lower part only extracts the most recognizable subject, outline, structure, posture, and narrative relationship from the photo, reconstructing it as an architectural concept perspective sketch / architectural design performance hand-drawing. Do not fully retain the scene, do not copy the photo object by object; actively delete most of the background, scenery, and irrelevant details, leaving only the core form, spatial relationship, and visual memory points that best represent the original theme.

Re-make artistic judgments for the lower part. Even if the original composition is poor, the background is messy, or the subject is small, it must be saved into a viable work through deletion, reorganization, cropping, scale changes, and white space, truly giving the model the power to re-direct the image.

The painting style adopts freehand perspective line drawings + a small amount of selective color blocks. The lines are relaxed, restrained, with a slight sense of repetition and pause, and a small amount of auxiliary lines, extension lines, construction lines, and geometric reference lines for architectural hand-drawing can be retained, forming a clear sense of design deliberation. Colors are only slightly laid out in a few key parts to emphasize the subject, structural layers, local shadows, or spatial focuses, and other areas are kept unpainted as much as possible.

The image must be centered on a large amount of conscious white space. The subject should be smaller and more refined, with other spaces left large and empty. White space is not an empty background but part of the composition, forming a sense of breath, space, and rhythm together with the subject, line drawings, reference lines, shadows, and small amounts of color blocks. The subject can be eccentric, edge-aligned, partially cropped, or reduced in scale; it is better to draw less than to fill it up.

A small amount of geometric shadow color blocks can be added to strengthen volume, depth, and spatial layers, but avoid heavy rendering, complex environments, and realistic rendering effects. Keep the background minimalist, retaining only a minimal amount of necessary site hints.

Extract 2–4 most recognizable and vibrant colors from the photo above, and reorganize them into a cleaner, more restrained, and durable sketch color palette. The overall tone can be moderately brightened, purified, and de-greyed, dominated by off-white, light gray, warm gray, soft green, light wood color, light blue-gray, etc., with a small amount of more distinct but not glaring accent colors retained locally. Avoid dirty gray, dullness, excessive vintage, and cheap high-saturation feelings.

Text is used only as a minimal amount of editorial intervention, with no restrictions on language. A small amount of words, short phrases, or notes can be generated based on the subject, location, action, or emotion, quietly falling on the white space areas, forming a restrained graphic-text relationship with the image.

Overall, it presents a high-end visual effect composed of architectural concept hand-drawings, freehand line drawings, geometric reference lines, a small amount of color blocks, geometric shadows, an ultra-large amount of white space, and editorial layout. Avoid full scene retention, object-by-object copying, complex backgrounds, full-page coloring, realistic renderings, thick strokes, cartoonishness, 3D feeling, and templated expression.