IMAGE PROCESSING DEVICE, IMAGE PROCESSING METHOD, IMAGING APPARATUS, PROGRAM, AND STORAGE MEDIUM

To provide an image processing device capable of satisfactorily removing fog and haze in an image.SOLUTION: An image processing device includes an acquisition unit for acquiring image data, a first gradation correction unit for acquiring a dark channel value for each area of the image data to estima...

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Bibliographische Detailangaben
Hauptverfasser:	URAGAMI HIROYUKI, OMORI HIROTAKA
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY IMAGE DATA PROCESSING OR GENERATION, IN GENERAL PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	To provide an image processing device capable of satisfactorily removing fog and haze in an image.SOLUTION: An image processing device includes an acquisition unit for acquiring image data, a first gradation correction unit for acquiring a dark channel value for each area of the image data to estimate the transmittance and correct the gradation, a second gradation correction unit for correcting the gradation of the image data using a tone curve, and a control unit for controlling which gradation correction unit is to be used to perform the gradation correction.SELECTED DRAWING: Figure 2 【課題】画像内の霧霞を良好に除去することができる画像処理装置を提供する。【解決手段】画像データを取得する取得部と、画像データの領域毎のダークチャネル値を取得して透過率を推定し、階調を補正する第１の階調補正部と、トーンカーブを用いて画像データの階調を補正する第２の階調補正部と、どの階調補正部を用いて階調補正を行うかを制御する制御部と、を備える。【選択図】図２