पिक्सेल कलर इंडेक्स पोस्टर (फोटो से पिक्सेलेटेड कलर ब्लॉक पोस्टर)

Use a single real photograph as the sole content source to create a vertical before-and-after comparison poster. The upper half fully preserves the real photographic texture, subject identity, quantity, pose, spatial relationships, lighting, and composition of the input photo, without turning the photo into an illustration; the lower half is a stylized redrawn area of the same photo - on a warm white paper surface, distill the image into four equal-sized square pixel color block indexes, corresponding respectively to the most recognizable subject outline, architectural or object structure, primary color and light-shadow relationship, and one environmental detail from the photo. Each block uses a limited color palette with hard-edged pixel blocks and a low-resolution grid feel, retaining traceable forms without random mosaics. Arrange the four blocks in a 2x2 grid, leaving ample paper space around them; use thin black cross crop/registration marks to frame the index area, and add a very small amount of bilingual titles and fields, such as "COLOR INDEX / SCENE STUDY", with restrained, clear text that resembles print proof annotations and does not overpower the design. The lower half must look like a designed color index card, not a filter, ordinary pixelation, or repeated photo; do not add unrelated objects or change the photo's subject. The upper and lower areas each occupy about half, with a clear horizontal boundary; side-by-side arrangement, multi-image collage, "original/AI image" corner labels, watermarks, and brand logos are all prohibited. All colors are extracted and compressed from the input photo, and the content of the four blocks varies with the photo's subject, applicable to any photo including people, animals, architecture, street scenes, nature, interiors, food, and objects.