Picture quality guide

블러 없이 영상 글씨 지우기

Updated · Editorial methodology

AI repair replaces the text-covered region with an estimated background. A blur overlay obscures that region instead. Compare the tradeoffs before choosing a method.

Repair, blur and crop make different changes. In this example, a blur leaves an obvious softened band, a crop discards part of the hands and cup, and the supplied repair result retains the full composition without the subtitle line.

Compare the repaired picture

Compare the original and result as the video plays.

원본
처리 결과
Actual AI result.

Compare a crop, a blur and a supplied repair result

The dialogue sample makes the tradeoff visible because the words overlap picture detail you may want to keep.

Original frame

Original frame

The subtitle line crosses clothing and the area near the hands. The full 16:9 composition remains visible.

의도적인 흐림 효과

의도적인 흐림 효과

The letters become a visible softened band. It also softens the picture inside the selected rectangle.

Bottom 20% cropped

Bottom 20% cropped

The subtitle is outside the remaining frame, but part of the cup, hands and lower composition is lost. The image is not stretched to restore 16:9.

Automatic repair result

Automatic repair result

The supplied output has no subtitle at 1.00s and keeps the full frame. The subjects’ poses differ from the input sample, so do not use this still pair to score recovery of hidden detail.

The original, blur and crop use the input at 1.00s. Blur applies a 12-pixel box blur to a 680 × 90 source-pixel region; cropping removes the bottom 144 pixels. The supplied repair result is also sampled at 1.00s, but the subjects’ poses differ. It shows a text-free output and retained framing; this pair cannot establish pixel-for-pixel reconstruction quality.
화면 자르기 없이 자막 제거

Look closely at a larger caption card

The podcast sample has two lines of text over a dark backing. Removing the whole panel is a different task from removing thin letter strokes.

At 1.00s, the supplied result no longer shows the dark caption rectangle. Sweater texture and the forearm occupy that area instead.

원본 · 1.00s원본 video detail at 1.00 seconds
처리 결과 · 1.00s처리 결과 video detail at 1.00 seconds
The original panel covers the lower torso and forearm. The result keeps the scene boundary and does not place a visible blur box over the caption.
원본 · 1.00s원본 video detail at 1.00 seconds
처리 결과 · 1.00s처리 결과 video detail at 1.00 seconds
This crop comes from the same 1.00s frame. It makes the sleeve pattern and the boundary between the forearm and sweater easier to inspect.

These are observations of a supplied example at a fixed moment, not a sharpness score or proof of perfect reconstruction. Use the synchronized video to assess changes over time.

Choose what the finished edit can afford to change

A technique can be appropriate even when its change is visible. The question is whether it suits the deliverable.

Choose a method by the needed result
RequirementMethod to evaluateTradeoff
Keep the complete compositionImage repairReplacement detail is estimated.
A visible covered area is acceptableBlur or a new graphicThe old region remains obscured.
An unimportant border can be discardedCropFrame shape and composition change.
The original project is availableDelete the editable textPreserves clean source information instead of estimating it.

Check motion before accepting the result

깨끗한 스틸 이미지는 유용한 검사 지점이지만, 시간적 일관성을 확립할 수 없습니다.

  1. Play at normal speed

    Watch the subtitle band while the speaker, camera or background moves.

  2. Compare a caption transition

    Inspect the last frame of one subtitle and the first frames of the next. Look for a patch changing with the wording.

  3. Inspect the downloaded file

    Confirm the duration, audio and full composition. If only an opening segment was processed, that is the only segment in the output.

하드코딩 자막 제거

Try your own video

Choose a local clip, preview it and review the cost before processing.

Free trial & upload limits

이메일 인증 후 체험용 크레딧 3개를 받으세요.

무료 계정: 50MB · 유료 계정: 100MB

1초 미만은 올림하여 초당 1크레딧 · 최소 3크레딧

자동 제거 시 다른 글자나 로고도 영향을 받을 수 있습니다. 요금 보기

Questions and answers

Does AI removal guarantee a perfectly sharp background?

No. The tool does not add a blur overlay, but reconstruction may still soften or distort the covered area.

Can I compare a short trial before processing a longer clip?

You can review the processing range and cost before starting. Available trial credits depend on the current account offer; a short processed prefix does not include the rest of the video.