多视角人像参考矩阵提示词

Goal: Systematically combine frontal, profile, three-quarter profile, and slight pitch angles, while maintaining facial proportions and identity stability. { "composition": { "layout": "5 columns x 3 rows, exactly 15 portrait panels", "arrangement": "Five portraits per row, three rows total", "framing": "Consistent head-and-shoulders portraits", "spacing": "Uniform narrow spacing on a clean warm ivory background", "consistency": "Same person, same hairstyle, same clothing, same accessories, same lighting", "grid_logic": "Each column represents one fixed horizontal head orientation. Each row represents one fixed head-pitch condition.", "row_variation_rule": "The first row consists entirely of heads tilted upward. The second row consists entirely of heads in a neutral, level position. The third row consists entirely of heads tilted downward.", "column_variation_rule": "Within each column, preserve the same horizontal head rotation across all three rows. Only the vertical head pitch changes between rows.", "priority": "Strictly maintain the 5x3 grid and the row-by-row head-pitch structure." }, "viewpoint_matrix": { "column_definitions": [ { "column": 1, "horizontal_orientation": "left-facing profile", "description": "Clear left profile showing the nose, lips, chin, jawline, ear, and neck silhouette." }, { "column": 2, "horizontal_orientation": "left three-quarter view", "description": "Left three-quarter view with both eyes visible and clear facial depth." }, { "column": 3, "horizontal_orientation": "frontal view", "description": "Direct frontal view with balanced visibility of both eyes and the central facial features." }, { "column": 4, "horizontal_orientation": "right three-quarter view", "description": "Right three-quarter view with both eyes visible and the opposite cheek clearly defined." }, { "column": 5, "horizontal_orientation": "right-facing profile", "description": "Clear right profile showing the nose, lips, chin, jawline, ear, and neck silhouette." } ], "row_definitions": [ { "row": 1, "head_pitch": "tilted upward", "pitch_instruction": "All five subjects must tilt their heads upward, raising the chin and directing the face above the neutral horizontal position.", "camera_relationship": "Maintain each column's assigned horizontal head orientation. The upward pitch must be clearly visible in the forehead-to-nose line, chin position, jawline, and neck posture.", "panels": [ { "panel": 1, "column": 1, "orientation": "left-facing profile", "description": "Left profile with the chin raised and the face tilted upward." }, { "panel": 2, "column": 2, "orientation": "left three-quarter view", "description": "Left three-quarter view with the chin raised, both eyes naturally visible, and the gaze directed upward." }, { "panel": 3, "column": 3, "orientation": "frontal view", "description": "Frontal view with the head tilted backward, chin raised, and face directed upward." }, { "panel": 4, "column": 4, "orientation": "right three-quarter view", "description": "Right three-quarter view with the chin raised and the gaze directed upward." }, { "panel": 5, "column": 5, "orientation": "right-facing profile", "description": "Right profile with the chin raised and the face tilted upward." } ] }, { "row": 2, "head_pitch": "neutral horizontal position", "pitch_instruction": "All five subjects hold their heads naturally level, without deliberate upward or downward tilt.", "camera_relationship": "Keep the same horizontal head orientation as the corresponding column in row 1. The head is upright and the chin returns to its natural neutral position.", "panels": [ { "panel": 6, "column": 1, "orientation": "left-facing profile", "description": "Level left profile, directly comparable with panel 1." }, { "panel": 7, "column": 2, "orientation": "left three-quarter view", "description": "Level left three-quarter view, directly comparable with panel 2." }, { "panel": 8, "column": 3, "orientation": "frontal view", "description": "Straight-on frontal view with the head level and gaze directed naturally toward the camera." }, { "panel": 9, "column": 4, "orientation": "right three-quarter view", "description": "Level right three-quarter view, directly comparable with panel 4." }, { "panel": 10, "column": 5, "orientation": "right-facing profile", "description": "Level right profile, directly comparable with panel 5." } ] }, { "row": 3, "head_pitch": "tilted downward", "pitch_instruction": "All five subjects lower their heads, bringing the chin downward relative to the neutral position. The downward tilt must be clearly visible.", "camera_relationship": "Keep the same horizontal head orientation as the corresponding column in rows 1 and 2. Change only the vertical head pitch, with natural neck movement.", "panels": [ { "panel": 11, "column": 1, "orientation": "left-facing profile", "description": "Left profile with the head lowered and chin angled downward." }, { "panel": 12, "column": 2, "orientation": "left three-quarter view", "description": "Left three-quarter view with the head lowered and the gaze directed downward." }, { "panel": 13, "column": 3, "orientation": "frontal view", "description": "Frontal view with the chin lowered and the face angled downward." }, { "panel": 14, "column": 4, "orientation": "right three-quarter view", "description": "Right three-quarter view with the head lowered and the gaze directed downward." }, { "panel": 15, "column": 5, "orientation": "right-facing profile", "description": "Right profile with the head lowered and chin angled downward." } ] } ], "cross_row_consistency": "For every column, preserve the same horizontal rotation across all three rows. The only intended major pose difference between the three corresponding panels is upward pitch, neutral pitch, or downward pitch.", "gaze_rule": "Keep gaze direction anatomically natural for each head position. In three-quarter and frontal views, the eyes may look toward the camera when physically plausible. Do not force profile subjects to rotate their eyes unnaturally toward the camera.", "anatomy_rule": "Use realistic neck articulation and natural changes in the jaw-to-neck contour. No extreme neck extension, compression, or twisting." }, "quality_targets": { "look": "A systematic 15-panel head-pitch and horizontal-orientation reference sheet", "grid_accuracy": "Exactly 5 columns and 3 rows", "row_accuracy": "Row 1: all heads tilted upward. Row 2: all heads neutral and level. Row 3: all heads tilted downward.", "column_accuracy": "Each column maintains its assigned horizontal orientation across all three rows.", "comparison_accuracy": "Corresponding panels must clearly demonstrate the effect of head pitch without changing the underlying horizontal orientation.", "identity_consistency": "Same person, face, hairstyle, clothing, and accessories throughout", "negative_constraints": [ "no random head orientations", "no mixed upward and downward poses within the same row", "no changing horizontal orientation between rows within the same column", "no diagonal head tilts replacing the requested pitch changes", "no inconsistent camera perspective", "no identity drift", "no extra or missing panels" ] } }