Adaptive Exposure Control and Real-Time Image Fusion for Surveillance Systems

Kao, Wen-Chung; Hsu, Chien-Chih; Kao, Chia Chuen; Chen, Shou-Hung

doi:10.1109/iscas.2006.1692740

Cited by 11 publications

(5 citation statements)

References 6 publications

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“…Simultaneously, we avoid measuring in the sky area, which mostly occurs in the upper part of the image. The zone weights can also be set based on an image database containing a large number of pictures with optimal setting of the exposure [3]. Here, the authors describe a system where images are divided in 25 equal zones and all weights are calculated based on the optimization procedure, having values as in Figure 1(a).…”

Section: Zone Metering Systemsmentioning

confidence: 99%

“…Starting from the standard average measurement, we will introduce other types of measurements which are used in some specific applications, for instance, HDR scenes. We will not discuss focus, contrast, skin-tone, or other types of measurement that are not directly based on the image intensity [1,3].…”

Section: Measurement Types Used For the Exposure Controlmentioning

confidence: 99%

“…It is assumed that well-focused or high-contrast blocks are more relevant compared to the others and will be given a higher weight accordingly. In certain applications, features like face and skin-tones can also be used for the weight selection [1,3,14]. In cases where skin tones are absent in the image, classical average luminance metering is performed.…”

Section: Content-based Metering Systemsmentioning

confidence: 99%

“…There are several possibilities by which multiexposed images can be merged. For a complete overview, we recommend the reading of [25] and [3]. We will describe two basic methods: mixing of images and hard switching between images.…”

Section: Exposure Bracketing and Imagementioning

confidence: 99%

See 3 more Smart Citations

Automatic Level Control for Video Cameras towards HDR Techniques

Cvetkovic¹,

Jellema²,

With³

2010

EURASIP Journal on Image and Video Processing

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Section: Zone Metering Systemsmentioning

confidence: 99%

Section: Measurement Types Used For the Exposure Controlmentioning

confidence: 99%

Section: Content-based Metering Systemsmentioning

confidence: 99%

Section: Exposure Bracketing and Imagementioning

confidence: 99%

See 2 more Smart Citations

Automatic Level Control for Video Cameras towards HDR Techniques

Cvetkovic¹,

Jellema²,

With³

2010

EURASIP Journal on Image and Video Processing

View full text Add to dashboard Cite

show abstract

“…At present, numerous studies have been conducted by domestic and foreign scholars for automatic exposure algorithms, such as average luminance values [1][2][3][4][5] , image luminance histograms [6] , information entropy [7] , discrete cosine transform [8] , mathematical iteration [9] , and image fusion [10][11][12] . Gu et al [15] proposed a hardware platform-based automatic dimming algorithm for high-speed cameras.…”

Section: Introductionmentioning

confidence: 99%