System for Video Monitoring with Improved Image Quality
In an electronic video monitoring system for security and surveillance, a recording device can improve image quality, particularly in a night mode, while conserving battery power, by repeatedly activating an infrared (IR) light while capturing a video image, then deactivating the IR light and activa...
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| creator | Van Cleave, Todd Garbeil, Gienn |
| description | In an electronic video monitoring system for security and surveillance, a recording device can improve image quality, particularly in a night mode, while conserving battery power, by repeatedly activating an infrared (IR) light while capturing a video image, then deactivating the IR light and activating a visible light while capturing another video image, then blending the captured images to produce a blended video image. The blended video image can provide color in a foreground for improved detail where such detail is typically most important and grayscale in a background for effective monitoring of a broad field of view. The IR and visible lights can be controlled by Pulse-Width Modulation (PWM) signals having duty cycles which can differ in various modes to achieve differing effects. |
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The blended video image can provide color in a foreground for improved detail where such detail is typically most important and grayscale in a background for effective monitoring of a broad field of view. The IR and visible lights can be controlled by Pulse-Width Modulation (PWM) signals having duty cycles which can differ in various modes to achieve differing effects.</description><language>eng</language><subject>ALARM SYSTEMS ; CALCULATING ; COMPUTING ; COUNTING ; ELECTRIC COMMUNICATION TECHNIQUE ; ELECTRICITY ; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL ; ORDER TELEGRAPHS ; PHYSICS ; PICTORIAL COMMUNICATION, e.g. TELEVISION ; SIGNALLING ; SIGNALLING OR CALLING SYSTEMS</subject><creationdate>2020</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200423&DB=EPODOC&CC=US&NR=2020126378A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20200423&DB=EPODOC&CC=US&NR=2020126378A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>Van Cleave, Todd</creatorcontrib><creatorcontrib>Garbeil, Gienn</creatorcontrib><title>System for Video Monitoring with Improved Image Quality</title><description>In an electronic video monitoring system for security and surveillance, a recording device can improve image quality, particularly in a night mode, while conserving battery power, by repeatedly activating an infrared (IR) light while capturing a video image, then deactivating the IR light and activating a visible light while capturing another video image, then blending the captured images to produce a blended video image. The blended video image can provide color in a foreground for improved detail where such detail is typically most important and grayscale in a background for effective monitoring of a broad field of view. 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The blended video image can provide color in a foreground for improved detail where such detail is typically most important and grayscale in a background for effective monitoring of a broad field of view. The IR and visible lights can be controlled by Pulse-Width Modulation (PWM) signals having duty cycles which can differ in various modes to achieve differing effects.</abstract><oa>free_for_read</oa></addata></record> |
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| subjects | ALARM SYSTEMS CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY IMAGE DATA PROCESSING OR GENERATION, IN GENERAL ORDER TELEGRAPHS PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION SIGNALLING SIGNALLING OR CALLING SYSTEMS |
| title | System for Video Monitoring with Improved Image Quality |
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