服飾照片去背：2026 年 AI 去背完整教學

Striped tank and beige shorts laid on a marble table with fur and jewellery

Same striped tank and beige shorts as a ghost mannequin catalog shot on pure white

幫服飾照片去背，是時尚電商裡最基本的 AI 影像任務，也是最常做壞的一項。便宜的做法會留下邊緣生硬的剪影、髮絲周圍的光暈、消失的陰影細節，背景還過不了 Amazon 純白 #FFFFFF 的檢查。正確的做法則能產出目錄等級、單獨呈現的服飾圖，直接上架到各大平台。這是一份 2026 年的實用教學，教你如何用 AI 為服飾照片去背。

為什麼服飾去背特別棘手

Clothing fights a generic remover. Sheer fabric — chiffon, organza, lace — blends with the background by design. Naive removal either deletes too much, cutting garment with the wall, or too little, leaving the old colour visible through the sheer.

A collar is a fine edge. A cheap cut hardens it into a cartoon outline, or leaves a halo of leftover pixels. The table under a dress is often still in the file. A generic tool deletes half of it and calls the job done.

Sheer white blouse photographed on a hanger against a grey wall

Same blouse cut out with a generic background remover

步驟 1：挑對工具

For a Stories sticker or a one-off transparent PNG, generic tools are fine. remove.bg and Photoroom are fast. We even ship a free browser tool if you only need a PNG and you are not listing on Amazon.

For a marketplace listing the output has to be the final asset. That is Ghost Mannequin when you want the garment alone — hollow neck, body volume, no person. It is White Studio when you want the same garment on a person. Both composite onto #FFFFFF. ChatGPT will not. A prompt that says “white background” will not.

Yellow floral midi dress as a ghost mannequin catalog shot on pure white

Same yellow floral midi dress on a model in White Studio on pure white

The decision is simple. Amazon, eBay, Walmart main image — Ghost Mannequin. A Shopify PDP that needs a face — White Studio. Own-site hero or a sticker — a generic remover is enough.

A free account opens Ghost Mannequin after sign-up, not a blank chat. That is the point of this guide.

Try Ghost Mannequin free

步驟 2：準備好原始照片

The quality of the output is bounded by the input. Shoot in even light, with no harsh shadow running into the background. Use a backdrop that contrasts with the garment — not white-on-white, not black-on-black — and keep the garment isolated: no hanger in the collar, no second SKU in the corner. A phone photo is enough if those things are true.

1,500 px on the long edge is enough to start. 3,000×3,000 if you are shipping catalog-grade. Folded piles and crumpled baskets produce melted output. The garment has to be readable as a garment.

Bad input: jeans crumpled on a dark floor in harsh shadow

Good input: jeans laid flat in even light, garment readable as a garment

Brands that ship volume standardise capture: same table, same window, same distance. That discipline pays back on every SKU. If all you have is a supplier photo, start with how to convert supplier flat-lays into catalog imagery — then run the cleaned file through Ghost Mannequin.

步驟 3：正確處理薄紗與半透明布料

薄紗與半透明布料，是讓多數通用工具失手的地方。一件拍在彩色背景上的雪紡襯衫，在布料最薄的地方（通常是上袖或肩線）會透出背景。去背時必須刪掉模特兒身後的背景像素，同時在新的白色背景上保留布料真正的透明感。

The right approach is to use a tool that maintains alpha-channel transparency on sheer fabric rather than forcing a binary cut. Apiway's ghost mannequin template handles this on garment-only inputs. For on-model sheer-fabric photographs, the workflow typically involves rendering the garment fresh through White Studio rather than trying to retouch the existing photograph; the rendered output is cleaner than the retouched one in most cases.

Ivory lace bow blouse as a ghost mannequin shot, fabric still translucent against pure white

步驟 4：符合 Amazon 純白 #FFFFFF 規範

Amazon 的商品圖片政策要求，服飾刊登的主圖背景必須是純白 #FFFFFF。「接近白色」就可能被下架。通用去背工具常常產生接近白色的漸層，過不了 Amazon 的自動檢查。送件到 Amazon 之前，請確認每一張成品的背景色碼。

Square Amazon-style main image of an orange crochet dress as a ghost mannequin on a pure white frame

Apiway 的目錄範本在平台層級就保證輸出 #FFFFFF 背景。對於 Amazon 出貨量大的品牌，這正是選用服飾專用工具、而不是通用去背器最常被提到的理由。一次上傳失誤所造成的平台下架損失，就超過兩種工具每張圖的價差。

Start free with 100 credits

步驟 5：大量批次處理

A catalog of 50 to 200 SKUs needs the same garment-alone shot on every listing: same pose, same white, same crop. That used to mean a studio week of clipping paths. In Apiway it is one pass in Ghost Mannequin. Photoroom will batch a PNG. It will not keep the hollow-neck catalog look.

Open Ghost Mannequin. On Garments, add each SKU. Front of the garment is required. Back if you shot it. You can load several garments in the same run and generate them together.

步驟 6：成品品管

Check the hex on a sample. Every tenth frame is enough once the template is stable. Check edges on collar, cuff, sheer, and hair if a model is in frame. Check the crop against the destination: Amazon wants the product at 85% of a 1:1.

Confirm no leftover table, no leftover plant, no leftover hanger. The QC is one job: is this white, and is this the garment. If both hold, ship. If either fails, rerun that SKU.

開始使用 AI 去背

Sign up for a free Apiway account. It opens Ghost Mannequin after registration, not a blank chat. Upload five of your most-listed flat-lays. Look at the collar. If the hollow neck and the #FFFFFF both hold, the rest of the catalog will too.

New accounts get 100 one-time credits — enough for a PDP thumbnail and a couple of extra poses. If you are shipping to Amazon, confirm the hex on one test listing before you batch the season. The three settings that actually decide a ghost shot are in how to ghost-mannequin a garment with AI.