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    SOLVED CS-USB-IMX307 OpenCV 連續採集影像造成 USB disconnct

    USB camera
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    • veye_xumm
      veye_xumm @coolmitch last edited by

      @coolmitch
      你好,我查了一下uvc标准里面应该是没有reboot功能的。

      https://askubuntu.com/questions/645/how-do-you-reset-a-usb-device-from-the-command-line
      上面这个链接,有一个reset usb的功能,不知是否能解决问题?

      如果搞不定,我可以给你专门做一个reboot 摄像头的cmd,用通用的uvc命令来实现。 比如说: 设置色度为0,则表示命令摄像头重启。

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        coolmitch @veye_xumm last edited by

        @veye_xumm 哈,這招我也早用過了,無效。

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          coolmitch @veye_xumm last edited by

          @veye_xumm
          色度是指這個嗎?我可以試看看
          hue 0x00980903 (int) : min=0 max=100 step=1 default=50 value=50
          我用 v4l2-ctl 下
          v4l2-ctl -d /dev/video0 --set-ctrl=hue=0
          可是它還是顯示 value=50

          C veye_xumm 2 Replies Last reply Reply Quote 0
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            coolmitch @coolmitch last edited by

            @coolmitch 我用另一個別的廠牌的 uvc camera 可以這樣設定。
            v4l2-ctl -d /dev/video1 --all
            Driver Info (not using libv4l2):
            Driver name : uvcvideo
            Card type : USB Camera
            Bus info : usb-70090000.xusb-2.1
            Driver version: 4.9.201
            Capabilities : 0x84200001
            Video Capture
            Streaming
            Extended Pix Format
            Device Capabilities
            Device Caps : 0x04200001
            Video Capture
            Streaming
            Extended Pix Format
            Priority: 2
            Video input : 0 (Camera 1: ok)
            Format Video Capture:
            Width/Height : 1280/720
            Pixel Format : 'MJPG'
            Field : None
            Bytes per Line : 0
            Size Image : 1843200
            Colorspace : sRGB
            Transfer Function : Default (maps to sRGB)
            YCbCr/HSV Encoding: Default (maps to ITU-R 601)
            Quantization : Default (maps to Full Range)
            Flags :
            Crop Capability Video Capture:
            Bounds : Left 0, Top 0, Width 1280, Height 720
            Default : Left 0, Top 0, Width 1280, Height 720
            Pixel Aspect: 1/1
            Selection: crop_default, Left 0, Top 0, Width 1280, Height 720
            Selection: crop_bounds, Left 0, Top 0, Width 1280, Height 720
            Streaming Parameters Video Capture:
            Capabilities : timeperframe
            Frames per second: 30.000 (30/1)
            Read buffers : 0
            brightness 0x00980900 (int) : min=-64 max=64 step=1 default=0 value=0
            contrast 0x00980901 (int) : min=0 max=100 step=1 default=38 value=38
            saturation 0x00980902 (int) : min=0 max=100 step=1 default=60 value=60
            hue 0x00980903 (int) : min=-180 max=180 step=1 default=0 value=50
            white_balance_temperature_auto 0x0098090c (bool) : default=1 value=1
            gamma 0x00980910 (int) : min=100 max=500 step=1 default=440 value=440
            gain 0x00980913 (int) : min=0 max=128 step=1 default=40 value=40
            power_line_frequency 0x00980918 (menu) : min=0 max=2 default=1 value=2
            white_balance_temperature 0x0098091a (int) : min=2800 max=6500 step=10 default=4600 value=4600 flags=inactive
            sharpness 0x0098091b (int) : min=0 max=100 step=1 default=80 value=80
            backlight_compensation 0x0098091c (int) : min=0 max=2 step=1 default=0 value=1
            exposure_auto 0x009a0901 (menu) : min=0 max=3 default=3 value=3
            exposure_absolute 0x009a0902 (int) : min=50 max=10000 step=1 default=166 value=50 flags=inactive
            exposure_auto_priority 0x009a0903 (bool) : default=0 value=1
            focus_absolute 0x009a090a (int) : min=0 max=1023 step=1 default=68 value=68 flags=inactive
            focus_auto 0x009a090c (bool) : default=1 value=1
            aaeon@aaeon2-desktop:/var/log$ v4l2-ctl -d /dev/video1 --set-ctrl=hue=0
            aaeon@aaeon2-desktop:/var/log$ v4l2-ctl -d /dev/video1 --all
            Driver Info (not using libv4l2):
            Driver name : uvcvideo
            Card type : USB Camera
            Bus info : usb-70090000.xusb-2.1
            Driver version: 4.9.201
            Capabilities : 0x84200001
            Video Capture
            Streaming
            Extended Pix Format
            Device Capabilities
            Device Caps : 0x04200001
            Video Capture
            Streaming
            Extended Pix Format
            Priority: 2
            Video input : 0 (Camera 1: ok)
            Format Video Capture:
            Width/Height : 1280/720
            Pixel Format : 'MJPG'
            Field : None
            Bytes per Line : 0
            Size Image : 1843200
            Colorspace : sRGB
            Transfer Function : Default (maps to sRGB)
            YCbCr/HSV Encoding: Default (maps to ITU-R 601)
            Quantization : Default (maps to Full Range)
            Flags :
            Crop Capability Video Capture:
            Bounds : Left 0, Top 0, Width 1280, Height 720
            Default : Left 0, Top 0, Width 1280, Height 720
            Pixel Aspect: 1/1
            Selection: crop_default, Left 0, Top 0, Width 1280, Height 720
            Selection: crop_bounds, Left 0, Top 0, Width 1280, Height 720
            Streaming Parameters Video Capture:
            Capabilities : timeperframe
            Frames per second: 30.000 (30/1)
            Read buffers : 0
            brightness 0x00980900 (int) : min=-64 max=64 step=1 default=0 value=0
            contrast 0x00980901 (int) : min=0 max=100 step=1 default=38 value=38
            saturation 0x00980902 (int) : min=0 max=100 step=1 default=60 value=60
            hue 0x00980903 (int) : min=-180 max=180 step=1 default=0 value=0
            white_balance_temperature_auto 0x0098090c (bool) : default=1 value=1
            gamma 0x00980910 (int) : min=100 max=500 step=1 default=440 value=440
            gain 0x00980913 (int) : min=0 max=128 step=1 default=40 value=40
            power_line_frequency 0x00980918 (menu) : min=0 max=2 default=1 value=2
            white_balance_temperature 0x0098091a (int) : min=2800 max=6500 step=10 default=4600 value=4600 flags=inactive
            sharpness 0x0098091b (int) : min=0 max=100 step=1 default=80 value=80
            backlight_compensation 0x0098091c (int) : min=0 max=2 step=1 default=0 value=1
            exposure_auto 0x009a0901 (menu) : min=0 max=3 default=3 value=3
            exposure_absolute 0x009a0902 (int) : min=50 max=10000 step=1 default=166 value=50 flags=inactive
            exposure_auto_priority 0x009a0903 (bool) : default=0 value=1
            focus_absolute 0x009a090a (int) : min=0 max=1023 step=1 default=68 value=68 flags=inactive
            focus_auto 0x009a090c (bool) : default=1 value=1

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            • veye_xumm
              veye_xumm @coolmitch last edited by

              @coolmitch
              我的意思是,冒用这个协议。 这个需要单独给你做一个版本的固件升级包,现在的版本当然是不支持了。

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                coolmitch @veye_xumm last edited by

                @veye_xumm 我的意思是,就目前的版本,我也無法去設定他的值(但在其他的攝像頭可以設定)。所以是否改的冒用的版本也不能用?

                veye_xumm 1 Reply Last reply Reply Quote 0
                • veye_xumm
                  veye_xumm @coolmitch last edited by

                  @coolmitch
                  当然,会可以。

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                    coolmitch @veye_xumm last edited by

                    @veye_xumm 那是否也能把 power_line_frequency 也放進去支援 60hz ? 或是如果是特製版,那能直接把預設做成 60hz 嗎?

                    veye_xumm 3 Replies Last reply Reply Quote 0
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                      coolmitch @veye_xumm last edited by

                      @veye_xumm 另一個想法,如果仿照這作法,camera 收到 USB 0x5514 做 reset (reboot) 可行嗎?

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                      • veye_xumm
                        veye_xumm @coolmitch last edited by

                        @coolmitch
                        可以默认支持60hz。回头我们做个定制版本你试试。

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                          coolmitch @veye_xumm last edited by

                          @veye_xumm 好地,感謝。

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                          • veye_xumm
                            veye_xumm @coolmitch last edited by

                            @coolmitch 现在默认值就是60hz.

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                            • veye_xumm
                              veye_xumm @coolmitch last edited by

                              @coolmitch
                              https://app.mediafire.com/tdaitlbvew6cu

                              v4l2-ctl -d /dev/video0 --set-ctrl=hue=0
                              

                              可以实现重启。

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                                coolmitch @veye_xumm last edited by

                                @veye_xumm 可以重啟。但我在日光燈下還是有條紋。x_2.jpg

                                veye_xumm 1 Reply Last reply Reply Quote 0
                                • veye_xumm
                                  veye_xumm @coolmitch last edited by

                                  @coolmitch
                                  这个条纹是稳定不动的吧? 那么就是跟你的60Hz匹配的。
                                  这个问题我找了一个资料给你看一下。
                                  3f5bae67-bff5-41c5-b2a4-0fe32508e604-image.png
                                  现在的问题是,你的灯光强度不仅随交流电变化,而且本身的强度又比较强。
                                  这种情况下,如果还是维持曝光时间大于1/120s,那么就可能产生过曝的问题。

                                  所以这种现象一定环境下属于没办法解决的正常现象。 你可以换更小的光圈的镜头来解决。

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                                    coolmitch @veye_xumm last edited by

                                    @veye_xumm 好的,我再觀察比較ㄧ下不同環境跟不同攝像頭看看。

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