谷歌Nano Banana AI彩色翻新舊相,效果震撼!

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有人用Google的Nano Banana AI為舊照片上色,效果驚人

最近用戶開始試玩Google最新的圖像編輯模型「Nano Banana」,亦稱為Gemini 2.5 Flash Image,並分享了不少由這個AI生成或修飾的照片範例。其中最令人印象深刻的應用,是X平台用戶Rodrigo Bressane發現利用這個AI為黑白照片上色,效果令人驚嘆。正如以下範例所示,Nano Banana能為老照片注入色彩和生命,這對於想將家族舊照變得更生動的用家來說,是一個非常實用的工具,讓原本只能以黑白呈現的影像煥發全新光彩。

Google在上週正式推出了Gemini 2.5 Flash Image生成器,並在Gemini應用程式以及其他開放給用戶和開發者的平台上提供。值得一提的是,Google公開確認這款Gemini 2.5 Flash Image正是先前在網絡上爆紅的Nano Banana AI圖像生成模型。Google先行讓公眾試用這個AI模型,並用「nano-banana」作為代號在LMArena上發布。用戶們紛紛比較Nano Banana與其他圖像生成器的表現,並分享了許多驚艷的圖片。

Nano Banana:強力升級的AI圖像模型

Gemini原本已經內置了強大的圖像生成模型,能用文字指令編輯真實照片,而Nano Banana更是將這功能提升到另一層次。這個新AI模型最突出的特色是「人物特徵保持性」,你可以上傳自己的照片,讓Gemini為你製作虛擬形象,AI不會改變你的面貌,生成的圖片看起來就像真實照片。此外,它還能結合人與寵物的照片生成新圖像、替換照片中的物件如衣服,甚至能在不改變房間原本設計的情況下加入新傢俱。

對於一個先進的AI模型來說,為黑白照片上色似乎是最基本的任務,而這正是Bressane測試的方向。以下是他將一些經典老照片交給Gemini上色後的成果。

經典照片上色示例

1936年《移民母親》
Bressane表示:「這是我見過最瘋狂的修復和上色效果。我在AI興起前花了無數時間研究修復和上色方案,沒有什麼能比得上這次的成果,真的太神奇了。」

1971年《賈桂琳·甘迺迪·奧納西斯》
他說:「這是我最喜歡的一張,看看這張經典照片如何被賦予生命。」

1945年《時代廣場勝利日慶祝》
照片細節完整,地板上的元素都保持原樣,色彩栩栩如生。

1941年《溫斯頓·丘吉爾》
修復得非常自然,效果令人驚嘆。

1955年《多維瑪與大象》
Bressane稱這是他最愛的彩色照片之一。

1932年《摩天大樓頂上的午餐》
這張經典照片你可能看過無數次,但從未見過如此出色的上色版本。

1945年《長崎蘑菇雲》
對於地球歷史上最黑暗時刻之一的呈現,色彩渲染令人震撼。

1945年《硫磺島升旗》
他對這張照片稍有微詞,認為旗幟顏色過於飽和且過於完美,但整體效果仍很出色。

如何用Gemini為照片上色

Bressane分享了他使用的簡單指令:「修復並上色照片,但不改變、移除或添加任何細節或元素。」他在Freepik應用程式(可使用Google Nano Banana的工具)中使用這指令,Gemini會提供四個不同版本供選擇。

你也可以用類似指令為自己的舊照片上色,但在上傳個人照片給AI編輯前,務必了解相關的私隱風險,並確保Gemini不會將你的數據用於訓練未來AI模型。

評論與啟示

Nano Banana的出現,標誌著AI圖像編輯技術邁向更成熟的階段。它不僅能精準保持人物特徵,還能細膩地處理照片中的細節,這對歷史照片修復和上色有革命性意義。過去,這類工作往往需要專業人士耗費大量時間和精力,現在用戶只需簡單指令便能獲得高質素的彩色老照片,極大提升了文化遺產的保存與傳承效果。

然而,這也引發了對AI圖像生成倫理和真實性的討論。AI在修復和上色過程中會作出判斷和調整,是否會改變原始歷史的真實感?例如硫磺島升旗照片中旗幟顏色的誇張,雖然提升了視覺效果,但可能影響歷史資料的客觀性。未來,如何平衡藝術修復與歷史真相,將是AI圖像技術應用的重要課題。

此外,私隱保護亦不可忽視。用戶在將個人照片交由AI處理前,應了解數據如何被使用,避免隱私外洩或被用作無授權的訓練資料。Google等科技巨頭在這方面的透明度和用戶權益保障,將影響公眾對AI技術的信任度。

總括而言,Nano Banana為我們展示了AI在影像處理上的巨大潛力,尤其是在文化保存和個人回憶數碼化方面。未來若能在技術進步與倫理規範間取得平衡,這類AI工具將成為我們珍藏歷史和個人記憶的強大助力。

以上文章由特價GPT API KEY所翻譯及撰寫。而圖片則由FLUX根據內容自動生成。

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{
"intro": "Create an ultra realistic 8K UHD DSLR photo based on the attached image as a reference of facial features, maintaining 100% likeness.",

"subject": {
"identity": "A stylish beautiful woman portrayed as Cleopatra during her sacred milk bath beauty ritual, embodying divine femininity, sensual elegance, and timeless power.",
"angle": "Close-up beauty editorial captured at a refined 3/4 angle, focusing on her face, shoulders, and upper chest with extreme clarity and no blur.",
"pose": {
"body_position": "She is partially submerged in a luxurious milk bath, her shoulders and collarbones emerging gracefully from the surface.",
"hands": "One hand gently rests at the edge of the bath with milk droplets on her fingers, while the other lightly touches her neck adorned with subtle gold jewelry.",
"expression": "Soft yet commanding gaze directed toward the camera—calm, confident, intimate, and hypnotic."
}
},

"appearance": {
"outfit": "A barely-there, ritual-style ivory silk drape partially submerged in the milk bath, clinging softly to her skin. The fabric is delicate and translucent, edged with fine gold-thread embroidery for a sensual, sacred aesthetic.",
"accessories": "Minimal ritual jewelry—thin gold collar necklace resting above the milk surface, delicate arm cuff, subtle finger ring—kept refined to maintain focus on beauty and skin.",
"hair": "Her hair is sleek and ritual-polished, partially damp and slicked back at the crown, with soft wet strands framing her face naturally, reflecting candlelight.",
"makeup": "High-fashion Cleopatra beauty makeup with ceremonial artistry—perfectly sculpted brows, elongated black kohl eyeliner, vibrant eyeshadow layered in turquoise, teal, emerald, sapphire blue, and metallic gold. Beneath the eyes, subtle artistic ink-inspired accents echo ancient Egyptian symbolism. Her skin is luminous and dewy, cheeks softly flushed, and lips finished in a nude-rose satin sheen."
},

"ritual_props": {
"bath": "A carved alabaster bathtub filled with warm milk infused with honey, almond oil, and lotus essence.",
"floating_elements": [
"Fresh lotus flowers",
"Soft white rose petals",
"Delicate gold flakes shimmering on the milk surface"
],
"beauty_products": [
"Small golden perfume vial with lotus and myrrh oil",
"Alabaster bowl of honey and milk mixture",
"Clay jar of mineral kohl and pigment powders"
]
},

"background": {
"macro_environment": "An intimate royal bathing chamber within Cleopatra’s palace, designed as a sacred beauty sanctuary.",
"midground_details": "Soft linen curtains, glowing oil lamps, tall candles, and subtle steam rising from the bath, creating a warm and sensual atmosphere.",
"micro_elements": "Milk ripples around her skin, floating petals touching her shoulders, tiny droplets of moisture on her collarbones, reflections of candle flames on gold jewelry, visible stone texture on the tub, and delicate fabric translucency—every detail sharply rendered with zero blur."
},

"lighting": {
"type": "Warm cinematic candlelight combined with soft ambient palace glow.",
"effect": "Golden highlights sculpt her face and skin while gentle shadows enhance depth, intimacy, and divine beauty."
},

"camera": {
"camera_type": "DSLR",
"resolution": "8K UHD",
"lens": "85mm prime lens for beauty editorial compression",
"aperture": "f/8 for maximum facial and detail sharpness",
"iso": 100,
"shutter_speed": "1/160s",
"focus": "Extreme sharp focus on facial features, skin texture, makeup details, and milk surface, no bokeh, no blur"
},

"style": "Luxury beauty editorial, sacred milk bath ritual, ancient Egyptian goddess realism, intimate yet powerful, ultra-detailed, luminous skin focus, cinematic elegance"
} 一位年輕亞洲美女,長直黑髮輕微笑,精緻五官,穿白色露肩毛衣和輕薄長裙,赤腳坐在明亮室內地板上,地上一束玫瑰花束,柔和自然光線從窗戶灑入,溫暖氛圍,高清寫實肖像攝影。 Base Setup
keep 100 percent facial information adherence of the attached image and turn her into a lone traveler posed on a sunlit desert dune ridge, captured as a live action photograph or movie still, not an illustration or CGI render, with a sexy, confident, heat soaked editorial mood.

Shot and Camera
Full body shot from slightly low height, framing her on the right third, with sweeping dunes rolling into the distance on the left, using a wide cinematic lens feel that keeps the landscape vast and minimal.

Identity and Pose
She has a slim, toned build, medium height impression, sun kissed skin, and long loose hair blown by the wind. She stands barefoot on the crest, one leg forward so the hip shifts naturally, one hand resting on her upper thigh and the other lightly gripping a sheer wrap at her side, wearing a high cut desert bikini with a gauzy open sarong that shows plenty of leg and midriff without nudity, head turned over her shoulder with a subtle, knowing smile, 8k Photorealistic and hyper realistic.

Lighting and Environment
Harsh midday sun from high right casts crisp shadows along her body and the dune ripples, with soft sky bounce filling the shadows enough to keep detail. The sand textures, wind carved ridges, and pale blue sky remain exactly like the reference, with faint footprints and slight imperfections grounding her on the slope.

Masking and Constraints
Change only by adding the subject and her wardrobe, keep dune shapes, lighting direction, perspective, horizon line, and white balance identical, preserving realistic body proportions and clear contact between her feet and the sand. Absolutely no added text, no painterly or toon look, no CGI plastic skin, no see through fabric on intimate areas, no warped limbs or floating feet, strictly require consistent perspective, natural film like grain, fine skin texture and sand detail, and physically correct contact shadows in the sand depressions around her feet.