Photoshop新AI功能實測:超強修圖神器?

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Photoshop全新AI功能實測:Mac用戶體驗報告

人工智能迅速改變數碼工作空間,大幅提升工作效率和簡化工作流程。AI已成為工作流程中不可或缺的工具,甚至成為用戶的期待,但同時仍需人類的監督和判斷。Adobe亦緊隨潮流,將原生AI功能整合到Photoshop中。

Photoshop的生成填充(Generative Fill)是重點AI功能,由Adobe Firefly驅動,用戶只需輸入簡單的文字提示,即可創建和插入圖片。最近,Adobe推出三個新AI功能:Harmonize(調和)、Generative Upscale(生成升級)及改良版物件移除工具。筆者親自試用這些功能,看看它們的表現如何,創作者是否會喜歡其輸出質素。

這些AI功能都是最新版本Photoshop的一部分。

Photoshop AI Harmonize調和工具

過往在Photoshop中插入物件,需要手動抹去背景,然後調整顏色和飽和度以配合背景,再做陰影等細節處理,雖然有效,但非常耗時。

新推出的Harmonize工具能讓新手達成類似效果,無需手動做繁複步驟。插入物件後,只需一鍵去背,AI會自動調整光影和色彩。

筆者用不同照片測試此功能,例如將草莓放在反光桌面上,AI成功模擬草莓的倒影並因環境光暗淡而減少反光;將網球放在陽光下的草地,Harmonize亦能準確調整亮度和陰影;甚至將貓咪插入不同照片,每次調整均因應照片環境自動調整色彩,令貓咪自然融入背景。

使用Harmonize時,Photoshop會生成三個不同版本供用戶選擇,通常至少有一個版本可用。如不滿意,亦可繼續生成更多版本,只要有足夠Adobe Firefly代幣(另售)。

Photoshop生成升級(Generative Upscale)功能

這功能可將低解像度圖片放大且去像素化,最大輸出尺寸為4096像素(寬或高)。用戶可選擇2倍、3倍或4倍放大,亦可設定AI創意程度。

筆者用多張照片測試,結果非常準確,例如將一張放大後像素化的狗狗照片修復得清晰自然,沒有出現異常或錯誤,適合處理用舊相機拍攝的素材。

Photoshop物件移除工具升級

新版橡皮擦工具據稱能更精準移除干擾物件。當刪除小物件時,AI會用相符圖案填補空缺,放大細看或仔細觀察才會察覺是AI生成。處理複雜背景或大型物件則較困難,例如成功移除小垃圾袋,但刪除植物和金屬欄杆時,會出現明顯錯誤,如亂碼文字和背景異常,但牆上塗鴉擴展自然,整體風格仍維持。

綜合運用這些AI工具的測試

筆者將所有新AI工具用於同一個Photoshop畫布,從零開始生成貝魯特市景,用文字提示創造圖像,雖然天空真實,但大樓外形怪異。接著用生成升級功能提升清晰度,雖仍能看出是AI產物,但效果明顯改善。然後用生成填充加入碼頭上的船隻,三個版本均不理想,但挑選最合適一個繼續。最後插入鳳凰圖案,並用Harmonize調整色調和強度,雖然仍能辨認是人工合成,但整體融入場景自然。

AI技術的典型表現與限制

整體來說,Photoshop新AI功能表現令人印象深刻。AI有其侷限,Adobe Firefly亦不例外。它能有效移除細小瑕疵並保持真實感,但不能期望它像魔杖般即時修復整幅風景或生成完全逼真的替代圖像。

Harmonize工具能節省大量時間,但結果有好有壞,適合細微調整和簡單場景,複雜情況下容易出錯。

Adobe明白AI的不穩定性,因此像Harmonize和生成填充每次只扣一個Firefly代幣,即使生成三個版本,方便用戶試多個選項而不快用完付費點數。

筆者的測試反映AI能有效輔助日常工作,但現階段仍未能完全取代人類在大型項目中的角色,這其實是好事。

評論與啟示

Adobe將AI深度整合入Photoshop,標誌著專業圖像編輯迎來新時代。這些工具大幅降低新手入門門檻,也能節省專業人士大量時間,尤其是繁瑣的調色和物件合成工作。Harmonize和生成升級功能尤其適合處理細節和提升素材品質,為攝影師和設計師帶來更靈活的創作空間。

然而,AI生成內容的不穩定性和偶爾出錯,提醒我們現時AI仍是輔助工具,而非完全取代者。對於要求極高的專業作品,人工審核和修正仍不可或缺。這同時揭示了AI發展的倫理和審美問題:當AI能快速生成視覺內容,如何保持創作的獨特性和真實性?Adobe以Firefly代幣限制用量,既是成本考量,也是防止濫用的措施。

未來,隨著AI技術成熟,Photoshop及其他軟件將更智能、更貼合用戶需求,甚至可能出現更深層次的創作協同機制,例如AI與人類共同「共創」。但我們亦應保持警覺,避免過度依賴AI而忽視人類的藝術判斷與創造力。

對香港用戶而言,這些AI工具能助力本地創意產業發展,尤其是在製作社交媒體內容、廣告設計及數碼藝術上,提升效率同時保留創作自由。建議用戶在嘗試這些新功能時,既要享受科技帶來的便利,也要持續磨練自身的藝術眼光,做到人機協作的最佳平衡。

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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Ultra-realistic high-fashion studio portrait of a woman [image uploaded], vertical composition, framed from mid-chest to top of head. Camera at eye level, straight-on angle with a very slight head tilt to the subject’s left. Posture & pose: upright posture, shoulders relaxed. Left shoulder slightly forward, creating a gentle diagonal line across the collarbones. Arms relaxed out of frame, fur wrap resting naturally over the shoulders. Expression: calm, elegant, and composed. Soft neutral gaze directly into the camera, slightly parted lips with a subtle natural gloss. No smile, refined and confident mood. Face & skin: smooth fair skin with realistic texture and pores, soft luminous finish (not plastic or airbrushed). Rosy blush concentrated on the apples of the cheeks. Natural highlight on nose bridge, cheekbones, and collarbones. Eyes & makeup: large almond-shaped eyes, cool gray-brown irises. Long curled lashes, soft eyeliner, muted rose eyeshadow blended outward. Straight natural brows with gentle arch. Hair: short black bob cut just above the shoulders, slightly wavy ends. Center part with soft wispy strands framing the face. Large black satin bow tied at the back of the head, visible above the crown. Accessories: silver floral drop earrings with dangling details. Matching silver statement necklace with a central floral pendant resting at the upper chest. Clothing & styling: beige satin slip dress with thin spaghetti straps, smooth fabric with subtle sheen. Black faux-fur stole draped loosely around both shoulders, adding contrast and texture. Background: clean seamless light gray to off-white studio backdrop, evenly lit with no visible texture or distractions. Lighting: soft diffused beauty lighting from the front and slightly above eye level. Gentle fill light to reduce shadows, subtle rim light outlining hair and shoulders. Balanced highlights without overexposure. Color palette: neutral beige, black, silver, soft pink skin tones, minimal and elegant. Camera & settings: full-frame DSLR or mirrorless, 85mm lens, f/2–f/2.8, ISO 100, high sharpness on eyes, shallow depth of field. Image quality: ultra-high resolution, professional fashion photography, crisp details, natural skin realism. Strictly photorealistic human portrait — no illustration, no anime, no CGI, no digital painting, no doll-like skin. A young woman with fair skin is taking a selfie inside a fitness center (gym).

Main Subject: A young woman with long black hair in a messy bun. She is wearing a light cream or ivory long-sleeved sports zipper jacket and black tight sports shorts. She is also wearing long white socks with black stripes at the top and white sports shoes.

Expression and Pose: She is sitting on a weight training machine (apparently a leg press machine or similar) and holding a phone (with a leopard/leopard print case) to take a selfie in the mirror or using the front camera, with her face forward, a soft smile, and her face and eyes looking at the mirror.

Background (Gym): The background is dominated by modern gym equipment in dark gray and red. There are a few other unfocused people in the background, including a man on the left lifting weights or standing near a barbell, and another man in a green shirt standing near equipment. The gym floor appears dark.

Brief Prompt (Suitable for Image Search or Hashtags):

Selfie in the gym, young woman with messy bun and cream jacket, sitting on a training machine, aesthetic sporty, indoor lighting. Without changing her face. Create a hyper-realistic 8K close-up body portrait of a female model, using the uploaded photo as the exact facial reference. Maintain 100% accuracy of the facial features — do not alter or modify any aspect of the face. Render the skin texture, lighting, and overall composition with photo-realistic detail, ensuring lifelike color tones and natural depth of field. A man with his original hair is sitting casually on a white cube, smiling warmly at the camera. He is wearing a cream-colored cable-knit sweater, blue jeans, and brown loafers. His legs are crossed, with one hand resting on his knee.
The background reveals a cozy and festive living room. A large, beautifully decorated Christmas tree with numerous warm lights and gold ornaments stands prominently behind him. Several wrapped gift boxes are visible at the base of the tree. To his left, another smaller decorated Christmas tree and a wreath on the wall further enhance the holiday atmosphere. The lighting is soft and inviting, creating a warm and welcoming scene.