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公开(公告)号：US10771820B2
公开(公告)日：2020-09-08
申请号：US16105616
申请日：2018-08-20
发明人： Sun-il Lee , Sangyoun Lee , Sanghoon Lee , Dosik Hwang , Changhyun Park , Sewoong Ahn , Jinseong Jang , Chan-yul Kim , Taeoh Kim , Taejoon Eo , Jongyoo Kim
IPC分类号： H04N19/86 , H04N19/172 , H04N19/186 , H04N19/136
摘要： Provided is an image encoding method including generating a first picture reconstructed by using a residual picture and a predicted picture; generating a second picture by applying a first artifact reduction filter to the first picture; determining a picture having a smaller bit-rate distortion cost from among the first and second pictures by comparing a first bit-rate distortion cost of the first picture with a second bit-rate distortion cost of the second picture; generating a third picture by applying an in-loop filter to the determined picture; generating a fourth picture by applying a second artifact reduction filter to the third picture; determining a picture having smaller distortion from among the third and fourth pictures by comparing first distortion of the third picture with second distortion of the fourth picture; and generating, via a processor, a bitstream including information about whether the second artifact reduction filter is applied.
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公开(公告)号：US11466876B2
公开(公告)日：2022-10-11
申请号：US17117649
申请日：2020-12-10
发明人： Juwan Park , Nakhyun Kim , Juyoung Kim , Changhyun Park , Moonsun Shin , Wonhee Lee , Hojin Lee , Changwoo Jung , Sunghyun Chun
摘要： Disclosed herein is a humidifier including an improved structure of a water collection tank. The humidifier includes a main body, a water supply tank provided in an upper portion of the main body, a humidifying fabric arranged in an inside of the main body and disposed below the water supply tank to receive water, a fan configured to move air through the humidifying fabric, a water collection tank configured to collect water from the humidifying fabric, a pump configured to pump water from the water collection tank to the water supply tank, and a humidifier lower cover coupleable to and decoupleable from a lower end of the main body. The water collection tank includes a water collection tank top cover provided in an upper portion of the water collection tank, and a water collection tank lower cover configured to be accessible through the lower end of the main body.
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公开(公告)号：US12022221B2
公开(公告)日：2024-06-25
申请号：US17991097
申请日：2022-11-21
发明人： Changhyun Park , Eun Sub Shim
IPC分类号： H04N25/77 , H04N25/46 , H04N25/59 , H04N25/771 , H04N25/773 , H04N25/78
CPC分类号： H04N25/77 , H04N25/771 , H04N25/773
摘要： An image sensor includes a pixel including a first floating diffusion and a second floating diffusion, generating a first pixel signal based on a quantity of charge of the first floating diffusion, and generating a second pixel signal based on the quantity of charge of the first floating diffusion and a quantity of charge of the second floating diffusion; a column line connected to the pixel and transmitting the first pixel signal or the second pixel signal; and a readout circuit connected to the column line and generating an image signal based on a plurality of comparison results including a first comparison result obtained by comparing the first pixel signal with a first reference signal, a second comparison result obtained by comparing the second pixel signal with a first reference signal, and a third comparison result obtained by comparing the second pixel signal with a second reference signal.
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公开(公告)号：US11965674B2
公开(公告)日：2024-04-23
申请号：US17235340
申请日：2021-04-20
发明人： Juwan Park , Nakhyun Kim , Juyoung Kim , Changhyun Park , Moonsun Shin , Wonhee Lee , Hojin Lee , Changwoo Jung
摘要： An air purifier or air conditioner including a filter device. The air purifier includes: a main body: a suction port provided to allow air to flow into the main body; a filter provided in the main body to filter the air suctioned from the suction port and including a frame and a filter body fixed to the frame; an auxiliary filter member separably mounted on the filter; and a locking device provided on the frame of the filter such that the auxiliary filter member is separably mounted on the frame of the filter.
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公开(公告)号：US20230164460A1
公开(公告)日：2023-05-25
申请号：US17991097
申请日：2022-11-21
发明人： Changhyun Park , EUN SUB SHIM
IPC分类号： H04N5/235
CPC分类号： H04N25/77 , H04N25/773 , H04N25/771
摘要： An image sensor includes a pixel including a first floating diffusion and a second floating diffusion, generating a first pixel signal based on a quantity of charge of the first floating diffusion, and generating a second pixel signal based on the quantity of charge of the first floating diffusion and a quantity of charge of the second floating diffusion; a column line connected to the pixel and transmitting the first pixel signal or the second pixel signal; and a readout circuit connected to the column line and generating an image signal based on a plurality of comparison results including a first comparison result obtained by comparing the first pixel signal with a first reference signal, a second comparison result obtained by comparing the second pixel signal with a first reference signal, and a third comparison result obtained by comparing the second pixel signal with a second reference signal.
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